Download Instruction Manual of Recloser Controller_R-200...
RECLOSER CONTROLLER for Distribution Automation (Model Name : FTU – R200)
JIN KWANG E & CORPORATION
705, Buk-ri, Namsa-myun, Yongin, Kyunggi-do, Korea
Tel
+82-31-333-3444
Fax
+82-31-332-5300, 5301
Website
http://www.jinkwang.co.kr
E-mail
[email protected]
ISO 9001 certified
Recloser controller FTU- R200
CONTENTS 1.
2.
OVERVIEW................................................................................................................................................................................................. 8 1.1.
Protection of Distribution Lines ........................................................................................................... 8
1.2.
Function of Automatic Circuit Recloser ............................................................................................ 8
1.3.
Main Features of FTU-R200 ................................................................................................................... 9
Technical Data ....................................................................................................................................................................................... 12 2.1.1. 2.1.2
Digital Processor .......................................................................................................................................12 Dual Processor Architecture ............................................................................................ 12
2.1.2Analog/Digital Conversion ......................................................................................................... 12 2.1.3.
DSP..................................................................................................................................... 13
2.1.4.
CPU .................................................................................................................................... 13
2.1.5.
Functional Block Diagram ................................................................................................ 14
2.2.
Environmental Conditions..................................................................................................................... 14
2.3.
Inputs/Outputs .......................................................................................................................................... 15
2.4.
Measurement ............................................................................................................................................. 17
2.4.1.
Current ................................................................................................................................17
2.4.2.
Voltage ...............................................................................................................................17
2.4.3.
Power ................................................................................................................................. 18
2.4.4.
Power Factor ..................................................................................................................... 18
2.4.5.
Frequency .......................................................................................................................... 18
2.4.6.
Energy ................................................................................................................................ 18
2.4.7.
Harmonic ........................................................................................................................... 18
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2.4.8. 2.5.
4.
Demand Current and Power............................................................................................ 19 Communication .........................................................................................................................................19
2.5.1.
Physical Layer .................................................................................................................... 19
2.5.2.
Protocol for scada ............................................................................................................ 19
2.6.
3.
Recloser controller FTU- R200
Recording .....................................................................................................................................................20
2.6.1.
Event Recorder .................................................................................................................. 20
2.6.2.
Waveform Event Recorder ............................................................................................... 21
Construct and External Connection ............................................................................................................................................. 22 3.1.
Appearance & Dimension ....................................................................................................................22
3.2.
Connector .................................................................................................................................................... 24
Front Panel Operations ..................................................................................................................................................................... 25 4.1.
Button & LED Description ....................................................................................................................26
4.1.1.
LCD Display ....................................................................................................................... 26
4.1.2.
FTU Status ......................................................................................................................... 26
4.1.3.
MENU/UP/DOWN/ENTER Buttons .................................................................................. 26
4.1.4.
Serial Port .......................................................................................................................... 26
4.1.5.
Ethernet/SCADA/Protection Communication Led ......................................................... 26
4.1.6.
Battery Test & Lamp Test ................................................................................................ 27
4.1.7.
Reset Button...................................................................................................................... 27
4.1.8.
Function Led ..................................................................................................................... 27
4.1.9.
RECLOSE/PROTECTION/GROUND Enable Buttons and LEDS ...................................... 28
4.1.10.
REMOTE/CONTROL LOCK Buttons and LEDS ................................................................ 28
4.1.11.
SELECT/OPEN/CLOSE Buttons and LEDS ........................................................................ 28
4.2.
LCD Manipulation.....................................................................................................................................29
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4.2.1. 5.
LCD Menu ......................................................................................................................... 30
Protection Functions .......................................................................................................................................................................... 35 5.1.
6
Recloser controller FTU- R200
Fault Detection .......................................................................................................................................... 35
5.1.1
Definite Time Protection ............................................................................................. 36
5.1.2
High Current Trip (HCT) .............................................................................................. 36
5.1.3
Single Shot Operation ................................................................................................. 37
5.1.4
TC Curve .......................................................................................................................... 37
5.1.5
Example of TC Curve Editing ........................................................................................... 39
5.1.6
Auto Reclosing Sequence ........................................................................................... 41
5.1.7
Sequence Coodination ................................................................................................. 43
5.2
Cold Load Pickup .................................................................................................................................44
5.3
Sensitive Earth Fault (SEF) Detection .............................................................................................. 45
5.4
Directional Blocking.................................................................................................................................46
5.5
Inrush Restraints .......................................................................................................................................47
5.6
Open Line Detection (Loss Of Phase) ..............................................................................................47
5.7
Phase Sync. Check....................................................................................................................................48
5.8
Under Voltage Protection ..................................................................................................................... 48
5.9
Over Voltage Protection ........................................................................................................................ 49
5.10
Under Frequency Protection ................................................................................................................ 49
5.11
Multiple Protection Groups.................................................................................................................. 50
Configuration Setting......................................................................................................................................................................... 51 6.1
I/O Configuration .....................................................................................................................................51
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6.1.1
AC Rating .......................................................................................................................... 51
6.1.2
Demand Setting ................................................................................................................ 54
6.1.3
Wave Trigger ..................................................................................................................... 54
6.1.4
Close Interlock .................................................................................................................. 55
6.1.5
FI Reset Select ................................................................................................................... 55
6.1.6
Voltage Display ................................................................................................................. 55
6.2
8
Power Quality Measurement Funcion .............................................................................................55
6.2.1
Voltage & Current Unbalance ......................................................................................... 55
6.2.2
Short-Duration Voltage Variation ................................................................................... 56
6.2.3
Voltage & Current THD Alarm ........................................................................................ 58
6.3
7
Recloser controller FTU- R200
Communication ......................................................................................................................................... 58
6.3.1
Port Parameters ................................................................................................................ 58
6.3.2
DNP3.0 Parameters........................................................................................................... 60
6.3.3
IEC Parameters .................................................................................................................. 61
Status Monitoring & Control.......................................................................................................................................................... 62 7.1
Switch Control............................................................................................................................................ 62
7.2
Switch Status Monitoring ...................................................................................................................... 62
7.3
Battey Monitoring .................................................................................................................................... 63
Measurements ....................................................................................................................................................................................... 64 8.1
Basic Electric Quantities ......................................................................................................................... 64
8.2
Sequence Components .......................................................................................................................... 64
8.3
Harmonics ....................................................................................................................................................65
8.4
Energy ............................................................................................................................................................65
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8.5 9
10
11
Recloser controller FTU- R200
Demand currents and power ..............................................................................................................66
Maintenance Software ....................................................................................................................................................................... 67 9.1
Overview .......................................................................................................................................................67
9.2
Operation of FTUMan............................................................................................................................ 68
9.2.1
Menu .................................................................................................................................. 68
9.2.2
Toolbar .............................................................................................................................. 70
9.2.3
Statusbar.............................................................................................................................71
9.2.4
Monitoring bar ...................................................................................................................71
9.2.5
Function and configuration Setting .................................................................................71
9.2.6
Event .................................................................................................................................. 74
9.2.7
Measurement .................................................................................................................... 82
9.2.8
Status .................................................................................................................................88
9.2.9
Waveform .......................................................................................................................... 89
I/O Configuration Tool ...................................................................................................................................................................... 91 10.1
Overview .......................................................................................................................................................91
10.2
Operation of IOConfig .......................................................................................................................... 92
10.2.1
Menu .................................................................................................................................. 93
10.2.2
Toolbar .............................................................................................................................. 93
10.2.3
Input................................................................................................................................... 94
10.2.4
Output ............................................................................................................................... 95
DNP3.0 Index Configuration Tool ................................................................................................................................................ 96 11.1
Overview .......................................................................................................................................................96
11.2
Operation of DNPConfig...................................................................................................................... 97
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Recloser controller FTU- R200
11.3.1
Menu .................................................................................................................................. 98
11.3.2
Toolbar ..............................................................................................................................99
11.3.3
Configuration Tool Box .................................................................................................. 100
11.3.4
Binary Input ..................................................................................................................... 100
11.3.5
Binary Output .................................................................................................................. 102
11.3.6
Analog Input ................................................................................................................... 103
11.3.7
Counter ............................................................................................................................ 105
Waveform Evaluation Tool............................................................................................................................................................ 107 12.1
Overview .................................................................................................................................................... 107
12.2
Operation of EvalTool ........................................................................................................................ 108
12.2.1
Menu ................................................................................................................................ 109
12.2.2
Toolbar .............................................................................................................................110
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1.
Recloser controller FTU- R200
OVERVIEW
1.1.
PROTECTION OF DISTRIBUTION LINES
Distribution lines have their own equipment outdoors, the types of loads are various, and the configurations of the networks are flexible and complicated. There are many kinds of fault causes such as direct contact of trees or birds, natural phenomenon of lightning or heavy snow, and fault spread-out due to customer’s facilities. Among these faults, most of faults are temporary and the dominant fault type is ground-fault. For rapid fault detection and fault section isolation, blackout area minimization, many protection devices such as Recloser, Sectionalizer, and Line Fuse are adopted. Among these devices, Automatic Circuit Recloser is the most important protection device, whose main functions are fault current trip and auto-reclosing. One distribution line has over 2 Reclosers of serial connections or Recloser – Sectionalizer - Line Fuse of serial connections. This configuration is the concept of Primary Protection and Back-up Protection. In other words, protection coordination is required in the way that a protection device nearer to fault point operates first to eliminate the fault and other devices farther from fault point are configured to operate later with time delays. 1.2.
FUNCTION OF AUTOMATIC CIRCUIT RECLOSER
When a fault occurs on the load side of Recloser installed location, Recloser detects fault current, trips fault current at high speed, and does reclosing actions after the set time to re-activate the faulted section. In case of temporary fault, the fault can be removed by itself according to highspeed trip and dead time before reclosing actions. But, in case of permanent fault, because fault current is still detected after trip and reclosing actions of pre-set counts, Recloser is locked out finally as opened. Recloser has the time delay element in protection function of its controller and can be freely configured for protection coordination with other protection devices.
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1.3.
Recloser controller FTU- R200
MAIN FEATURES OF FTU-R200
Recloser body is connected serially to distribution line to operate open / close of the line, and Recloser Controller is in charge of measurements of currents, voltages, and other electric values, protection, control, status monitoring, recording, and communication. FTU-R200 is a kind of IED’s (Intelligent Electronic Device) for power system automation, which is a fully digitalized and microprocessor-based control device, and through connecting with this control device, Recloser can play a role of automated protection device. Main features of FTU-R200 are as follows, Measurements Magnitude and phase angle of voltages & currents(Fundamental frequency) Sequence components of 3-Phase voltages & currents True RMS, Harmonics and THD of voltages & currents Active, reactive and apparent power for each phase and 3-phase Energy(4-quadrant metering) Displacement Power Factor Frequency PQM, Fault, THD Counter Phase difference between source-side and load-side voltage
Control Manual Recloser Open/Close at local or remote(Select Before Operation) Interlocking(Gas low, Handle lock, Operator place, Sync Fail, Live Load) Batter Test External Trip and Close By contact input(Optional) Enable or disable reclosing, protection and Ground function
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Protection 3-stage over current protection Fast and Delayed TC trip elements for phase and earth fault 54 types of built-in TC Curves and 4 Customized TC Curves Definite time over-current element Definite time HCT(High Current Trip) SEF(Sensitive Earth Fault) Detection Auto-Reclosing(up to 4 shots) Cold Load protection(Pickup Adjustment) Magnetizing Inrush Restraints Sequence Coordination Open Line Detection Phase Sync. Fail Detection Over Voltage, Under Voltage Under Frequency
Status Monitoring 10 Contact Inputs Open Line Detection Fault Indication Recloser, Protection, Ground Protection, Switch Open/Closed Over Voltage, Under Voltage, Under Frequency Handle Locked Gas Pressure Low External AC Power Loss Battery Discharged Enclosure Door Open Spare (3 Points : Optionally external trip and close command)
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Recloser controller FTU- R200
Event Recording Event recording with time-stamp I/O,
Functional,
System,
Fault
Current,
Demand
Current
&
Daily Max Current & Power Waveform Recording 8 Fault Waveforms 8 PQM Waveforms 1 Manual Trigger Waveform 128 samples/cycle, 20 cycles Saving COMTRADE File Format
Counter FTU Restart count Switch Trip Count Fault Detection Count PQM Count THD Count
Communication Protocols DNP3.0 SCADA Port
DNP3.0 over TCP/IP IEC60870-5-101 IEC60870-5-104
Maintenance Port
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2.
Recloser controller FTU- R200
TECHNICAL DATA
2.1.1.
DIGITAL PROCESSOR
2.1.2
DUAL PROCESSOR ARCHITECTURE
9
32-bit RISC type micro-controller with on-chip flash program memory
9
32-bit floating-point Digital Signal Processor
9
Dual-Port Memory for communication between two processors
9
Data Memoty(SRAM)
9
Non-volatile Memory(1Mbytes) for storing events and parameters
9
Flash Mamory for stroring fault and PQM Waveforms
9
Real Time Clock
2.1.2ANALOG/DIGITAL CONVERSION
9
16-bit A/D Converter
9
Sampling rate : 128 samples/cycle
9
Anti-aliasing analog filter
9
One gain channel for each current input : effective 16-bit resolution for current measurements
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2.1.3.
2.1.4.
Recloser controller FTU- R200
DSP 9
Correction of analog input error
9
Fast Fourier Transform : phasor calculation
9
Electric quantities calculation & Fault Decision
CPU 9
Status monitoring & Control Command
9
Local Human-Machine Interface
9
Event Recording
9
Remote Communication(DNP3.0, IEC60870-5-101 and IEC60870-5-104)
9
Self Diagnosis
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2.1.5.
Recloser controller FTU- R200
FUNCTIONAL BLOCK DIAGRAM
Figure 2-1 Functional Block Diagram
2.2.
ENVIRONMENTAL CONDITIONS
Altitude
< 2,000m
Wind Speed
< 40m/s
Ambıent Temporature
- 25 ~ +70°C, KSC 0220/1
Storage Temporature
- 40 ~ +85°C
Humidity
< 95%RH
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Dielectric withstand
IEC 60255-5, 2kV
Impulse voltage
IEC 60255-5, 6kV for current input circuit IEC 60255-5, 4kV for voltage, power input & Contacts I/O
Insulation resistance
IEC 60255-5, >500MΩ (DC500V)
High frequency disturbance
IEC 61000-4-12 class 3 (2.5kV)
Fast transient noise
IEC61000-4-4 class 4 (4kV)
Radio frequency noise
IEC 61000-4-3 10V/m
Vibrations
IEC 60255-21-1 class 2
Mechanical Shock
IEC 60255-21-2 class 2
Enclosure protection
IP54
2.3.
INPUTS/OUTPUTS
Binary Contacts Input : 10 Points
DC 24V Baised in the control box Opto-isolation(Viso) : 2,000 Vrms Delay time setting(10~500ms) for each contact input to suppress bouncing Signal Recloser Open Recloser Closed Recloser Locked Gas Pressure Low External AC Power Fail Battery Discharged Control Box Door Open External Trip Command(Optional) External Closer Command(Optional) Spare
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Binary Contacts Output : 6 Points Pulse width of output is variable Signal & Contact rating DC24V Aux. Relay Contact Contact Relay : Switch Open, Close, Battery Test, Spare PhotoMOS Relay : Switch Open, Close for
9
Contact Relay Rating Rated Current
16A
Rated Voltage/Max. Breaking Voltage AC
250Vac/440Vac
Max. Breaking Capacity AC
4,000VA
Make Current (Max. 4s at duty cycle 10%)
30A
Dielctring Strength
9
Coil-Contacts
5,000Vrms
Open Contact Circuit
1,000Vrms
Mechnical Life
> 30 x 106 operations
Operate Time
typical 7ms
PhotoMOS Relay Rating Rated Load Current
120mA
Rated Load Voltage
350Vac
I/O isolation Voltage
1,500Vac
Current Input : 4 Channel 12.5A Maximum(external CT Ratio is 1,000:1 normally) Burden : below than 1VA 3-Phase Current and Neutral Currents Isolation by auxiliary CT of RTU(Viso) : 2,000 Vrms Surge Withstand Voltage : 6kV Signal : Ia, Ib, Ic, In
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Voltage Input : 6 Channel 4Vrms at rated Phase Voltages Burden : below than 0.01VA Maximum input range : ~200% Isolation by auxiliary PT of RTU(Viso) : 2,000 Vrms Surge Withstand Voltage : 4kV Signal : Va, Vb, Vc, Vr, Vs, Vt
Power Supply Input DC 24V(DC20~DC29V) Power Consumption: Max. 15W
2.4. 2.4.1.
MEASUREMENT CURRENT
RMS(A) & Phase angle(°)
Ia, Ib, Ic, In
Sequence Component
I1, I2, I0
True RMS
Ia, Ib, Ic
Reading Range
2~12, 500A(External CT Ratio 1,000 : 1)
Accuracy
2~600A
±0.5% or ±1A
600~12,000A
±3%
2.4.2.
VOLTAGE
RMS(kV) & Phase angle(°)
Va, Vb, Vc, Vr, Vs, Vt
Sequence Component
V1s, V2s, V0S, V1L, V2L, V0LS,
True RMS
Va, Vb, Vc, Vr, Vs, Vt
Phase Angle Difference(°)
∠Va - ∠Vr
Reading Range
0.1~26kV
Accuracy
±0.5% or ±0.1kV
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2.4.3.
Recloser controller FTU- R200
POWER
Active Power(kW)
A-Phase, B-Phase, C-Phase, 3-Phase Total
Reactive Power(kVAR)
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Apparent Power(kVA)
A-Phase, B-Phase, C-Phase, 3-Phase Total
Reading Range
-32767~32767
Accuracy
±1%
2.4.4.
POWER FACTOR
A-Phase, B-Phase, C-Phase, 3-Phase Total Lead/Lag Display Reading Range
0~1.0
Accuracy
±2%
2.4.5.
FREQUENCY
Reading Range
45 ~ 55Hz (System Frequency : 50Hz) 55 ~ 65Hz (System Frequency : 60Hz)
Accuracy
2.4.6.
±0.02%
ENERGY
Positive kWh
A-Phase, B-Phase, C-Phase, 3-Phase Total
Negative kWh
A-Phase, B-Phase, C-Phase, 3-Phase Total
Capacitive Positive kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Capacitive Negative kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Inductive Positive kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Inductive Negative kVARh
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Reading Range
0~65535(Rollover)
Accuracy
±2%
2.4.7.
HARMONIC
Total Harmonic Distortion (%)
3-Phase Current THD (Ia, Ib, Ic, I3ph) Source side 3-Phase Voltage THD (Va, Vb, Vc, V3ph)
2nd~31st Harmonic RMS(A, kV)
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Ia, Ib, Ic, Va, Vb, Vc
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2.4.8.
Recloser controller FTU- R200
DEMAND CURRENT AND POWER
Configurable Demand Interval
5, 10, 15min (Default 15min)
2nd~31st Harmonic RMS(A, kV)
Ia, Ib, Ic, Pa, Pb, Pc, P3ph, Qa, Qb, Qc, Q3ph
Daily Max Current and Power are Stored
2.5.
COMMUNICATION
2.5.1.
PHYSICAL LAYER
2.5.1.1 RS232C 9-Pin Male Connector
DCD(1), Rx(2), Tx(3), DTR(4), GND(5) DSR(6), RTS(7), CTS(8), NC(9)
Speed(Baud Rate)
1200, 2400, 4800, 9600, 19200 BPS
Suppots Modam Control
CTS, DCD Signal Timeout Configurable RTS Off-delay Configurable
Optical Isolation ESD, Transient Noise Protection
2.5.1.2 RS232C/RS485C RS232C Mode
Rx(2), Tx(3), GND(4), GND(5)CTS(8),
RS485C Mode
DATA-(3) DATA+(7)
Speed(Baud Rate)
1200, 2400, 4800, 9600, 19200 BPS
Optical Isolation ESD, Transient Noise Protection
2.5.1.3 TCP/IP Ethernet Port
2.5.2.
10/100 Base-T
PROTOCOL FOR SCADA
2.5.2.1 DNP3.0 ①
Support DNP3.0 Subset Level 3
②
Class of each point is settable(Using DNP3.0 Index Configuration Tool)
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Recloser controller FTU- R200
③
Supports multi-frame transmission(multi-frame interval is configurable)
④
Enable/Disable unsolicited message class
⑤
Supports file transfer function for uploading fault waveform and local event history
⑥
Non-transmitted events are stored on non-volatile memory during communication fail
⑦
Event buffer size : Binary Input(254), Analog Input(127), Counter(19)
⑧
Supports direct operate or select befor operate(SBO) for control output
⑨
Supports report by exception for analog values
⑩
Protocol frame monitor was built in FTU(Using data terminal on maintenance connector)
2.5.2.2 IEC60870-5-101 IEC 60870-5-101 is primarily used with relatively slow transmission media on the asynchronous V.24 interface. The standard promises baud rates of up to 9600 bit/s, with much higher baud rates (’ symbol indicates the cursor position and ENTER button enters into the selected main menu’s sub items.
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Recloser controller FTU- R200
Main Menus
Sub Items
Function Setting
Group1, Group2, Group3, Group4, Group Setting
Configuration
I/O, Communication, Event, Time
Display
Measurements, Status, Counter
Event List
I/O events, Function events, System events, Fault I events, Demand I events, Demand P events, Demand Q events, Max. I events, Max. P events, Max. Q events
4.2.1.3 FUNCTION SETTING
[ S e t t i n g
Me n u ]
1 . Gr o u p 1 2 . Gr o u p 2 3 . Gr o u p 3 4 . Gr o u p 4 5 . Gr o u p
S e t t i n g
Figure 4-6 Function Setting In Function Setting, there are 4 different setting groups and the different setting values can be stored individually in 4 different setting groups. After finishing the set value change, when MENU button is pushed to return to [Main Menu Display], [Set Value Change Save Display] shows up to determine Yes or No. If selecting yes and pushing ENTER button, the changed set values are all saved. However, if selecting No and ENTER button or MENU button again, the changed set values are not saved and the existing set values are still applied. 9
CAUTION: Be careful not to push down MENU buttons repeatedly! Then, the newly changed set values are neither saved nor applied.
S a v e
C h a n g e d Y e s
/
S e t
?
No
Figure 4-7 Set Value Change Save Display
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Recloser controller FTU- R200
S e t t i n g
S a v i n g !
Figure 4-8 ENTER to Yes
[
MA I N
ME N U
>1 . F u n c t i o n
] S e t t i n g
2 . C o n f i g u r a t i o n 3 . Di s p l a y Figure 4-9 ENTER to No
4.2.1.4 CONFIGURATION
[ C ONF I G
ME N U
]
1 . I / O 2 . C o mmu n i c a t i o n 3 . E v e n t 4 . T i me Figure 4-10 Configuration Configuration menu has the setting items for communication, I/O, and system configuration. Setting items are I/O, Communication, Event and Time. After finishing the set value change, when MENU button is pushed to return to [Main Menu Display], [Set Value Change Save Display] shows up to determine Yes or No. If selecting yes and pushing ENTER button, the changed set values are all saved. However, if selecting No and ENTER button or MENU button again, the changed set values are not saved and the existing set values are still applied. 9
CAUTION: Be careful not to push down MENU buttons repeatedly! Then, the newly changed set values are neither saved nor applied.
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Recloser controller FTU- R200
4.2.1.5 DISPLAY
[
DI S P L AY
ME N U
]
1 . Me a s u r e m e n t s 2 . S t a t u s 3 . C o u n t e r Figure 4-11 Display In Display menu, measurement values, monitored status, and counter values are displayed.
4.2.1.6 EVENT LIST [
E V E NT
L I S T
]
1
. I / O
2
. F u n c t i o n
3
. S y s t e m
e v e n t s
4
. F a u l t s
e v e n t s
5
. D e ma n d
I
e v e n t s
6
. D e ma n d
P
e v e n t s
7
. D e ma n d
Q
e v e n t s
8
. Ma x .
I
e v e n t s
9
. Ma x .
P
e v e n t s
10 . M a x .
Q
e v e n t s
E v e n t s e v e n t s
Figure 4-12 Event List In Event List menu, all types of events are displayed with occurred time and event description. Using UP & DOWN buttons, event list can be scrolled up and down in the LCD display. Event List
Sub Items
Max.
I/O Events
Status change of binary Input/Output
1023
Function Events
Operated status of Protection Function
1023
System Events
Setting change, Reset, Self Dignosis
255
Fault I Events
Latest fault current, phase and time
255
Demand I,P,Q Events
Each phase daily average load current, active power
1023
and reactive powe with time Max. I,P,Q Events
Each phase daily Peak load current, active power
1023
and reactive powe with time
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5.
Recloser controller FTU- R200
PROTECTION FUNCTIONS
5.1.
FAULT DETECTION
FTU detects the Phase & Earth Fault and trip the breaker. The fastest operation time is within 45msec including auto-recloser operating time. There are 58 trip curves, which can be selected for fast and delayed operation respectively. The Curve can be edited by using several parameters, i.e. time multiplier, time adder and minimum response time. And high current trip element can be used for instantaneous trip. It is definite time characteristics. During cold-load condition, pickup multiplied by cold-load multiplier. During the cold-load condition, time-delayed curve is applied instead of fast curve. This function can be enabled or disabled by cold-load multiplier. Earth fault detection function can be enabled or disabled by ‘Ground Protection Enable’. Phase Fault Range
Earth Fault Def.
Range
Step
Def.
Unit
Pickup Current
10~900
400
5~900
60
Inrush Block
NO/YES
YES
NO/YES
YES
1~58
1-A
1~58
2-B
1
Time Multiplier
0.05~2.00
1.00
0.05~2.00
1.00
0.01
sec
Time Adder
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
RDMT/RIDMT
RDMT
RDMT/RIDMT
RDMT
0.00~100.00
0.00
0.00~100.00
0.00
1
A
Fast Operation Time Curve Type
Min. Response Time Reset Type Reset Definite Time
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RDMT(Definite Time) RIDMT(Inverse Time) 0.01
sec
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Recloser controller FTU- R200
Phase Fault
Earth Fault
Step
Unit
Range
Def.
Range
Def.
1~58
20-1
1~58
21-2
1
Time Multiplier
0.05~2.00
1.00
0.05~2.00
1.00
0.01
sec
Time Adder
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
Min. Response
0.00~1.00
0.00
0.00~1.00
0.00
0.01
sec
RDMT/RIDMT
RDMT
RDMT/RIDMT
RDMT
Delayed Operation Time Curve Type
Time Reset Type
RDMT(Definite Time) RIDMT(Inverse Time)
Reset Definite
0.00~100.00
0.00
0.00~100.00
0.00
0.01
sec
Time
5.1.1
Definite Time Protection
Definite Time is an alternative to Inverse Time Protection. It works by tripping the recloser at a fixed time after pick-up. Range
Def.
Step
Unit
OFF/ON
OFF
Pickup Current
50~10000
1000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
OFF/ON
OFF
Pickup Current
50~10000
1000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
Comment
Phase Detection Active
Earth Detection Active
5.1.2
High Current Trip (HCT)
Very high valued current can cause serious damage to the Recloser and the resultant fault spread-out, therefore HCT element should operate faster than Instantaneous or Time-Delayed TC curve’s operation time and its priority must be higher than the normal auto-reclosing sequence.
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Recloser controller FTU- R200
HCT can be configured up to 4 times for phase fault and earth fault, respectively. HCT Count setting value ‘0’ means HCT element disabled. Range
Def.
Step
Unit
0~4
0
1
Pickup Current
50~10000
2000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
0~4
0
1
Pickup Current
50~10000
2000
1
A
Detection Time
0.00~1.00
0.00
0.01
sec
Comment
Phase Detection Operation Count
‘0' means disable.
Earth Detection Operation Count
5.1.3
‘0' means disable.
Single Shot Operation
In Single Shot Operation is used to provide an appropriate protection curve when non-reclosing operation is required, for example, when closing onto a fault. In Single Shot Operation the controller goes directly to lockout after one trip and will not autoreclosing.
Single Shot Time
5.1.4
Range
Def.
Step
Unit
0~180
10
1
sec
Comment
TC Curve
FTU-R200 has 54 types of built-in TC curves including ANSI, IEC Standard curves. And customer can define additional 4 curves as his own curves by using PC Software. Basically, built-in curves have inverse time characteristrics, but can be easily adjusted by three parameters such as multiplier, time adder and minimum response time. In engineering step, the selection and adjustments of TC curves shall be done for the protection coordination with other protection devices in the feeder. The follwing parameters are related to change and editing of TC curve’s characteristics. 9
Time Multiplier
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9
Time Adder
9
Minimum Response Time
Time Multiplier is multiplied to the operating time of basic curve (TDM=1.0), then Time Adder is added to the resulting operating time of the curve adjusted by multiplier. Minimum Response Time defines the fastest operating time of the curve. The following tables describe the built-in TC Curve Type and the corresponding numbers in the setting. TC Curve graphs are shown in the appendix. Setting No.
1
2
3
4
5
6
7
8
9
10
Curve
A
B
C
D
E
EI
KP
L
M
N
Setting No.
11
12
13
14
15
16
17
18
19
20
Curve
NI
P
R
T
V
VI
W
Y
Z
1
Setting No.
21
22
23
24
25
26
27
28
29
30
Curve
2
3
4
5
6
7
8
8*
9
11
Setting No.
31
32
33
34
35
36
37
38
39
40
Curve
13
14
15
16
18
N1
N2
N3
N4
F
Setting No.
41
42
43
44
45
46
47
48
49
50
Curve
G
H
J
LI
8+
17
KG
A*
SI
IM
Setting No.
51
52
53
54
55
56
57
58
Curve
IV
IE
U8
U2
C1
C2
C3
C4
Curve Type
Curve Name
Recloser Curves
A,A*,B,C,D,E,F,G,H,J,KP,KG,L,M,N,P,R,T,V,W,Y,Z, 1,2,3,4,5,6,7,8,8*,8+,9,11,13,14,15,16,17,18
IEC Standard Curve
Standard Inverse(NI),Very Inverse(VI),Extremely Inverse(EI) Long-time Inverse(LI),Short-time Inverse(SI)
ANSI/IEEE
Standard
Moderately Inverse(IM),Very Inverse(IV),Extremely Inverse(IE),
Curve
Long-time Inverse(U8),Short-time Inverse(U2)
KEPCO Standard Curve
N1,N2,N3,N4
User Customized Curve
C1,C2,C3,C4
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9
Recloser controller FTU- R200
IEC, ANSI/IEEE, US STANDARD TC CURVE EQUATION T = TDM • {α / (Mβ - 1) +γ} TRESET = TDM • {τ / (Mβ - 1)} T : Operate Time, TDM : Multiplier Setting, TRESET : Reset Time
Curve Type Standard Inverse(NI)
Standard
β
γ
τ
0.14
0.02
-
-
Very Inverse(VI)
13.5
1
-
-
Extremely Inverse(EI)
80.0
2
-
-
Short-time Inverse(SI)
0.05
0.04
-
-
Long-time Inverse(LI)
120
1
-
-
19.61
2
0.491
21.6
Extremely Inverse(IE)
28.2
2
0.1215
29.1
Moderately Inverse(IM)
0.0515
0.02
0.114
4.85
Very Inverse(IV)
IEC
α
IEEE
Short-time Inverse(U2)
CO2
0.2394
0.02
0.01694
2.261
Long-time Inverse(U8)
CO8
5.95
2
0.18
5.95
5.1.5
EXAMPLE OF TC CURVE EDITING
3-parameters are applied in the follwing order. The values in the parenthesis are examples. 9
Time Multiplier : 1.5
9
Time Adder : 0.03
9
Minimum Response Time : 0.1
In the next figure, for example, the curve A is the basic curve. Assume the operating time of the basic curve (A) at 16 times pickup current is 0.04 sec. When applying Time Multiplier, curve ‘A’ changes its shape, that is, the curve becomes less steep in time axis and operation time becomes longer by a multiplier at the same current value like ‘B’ in the figure. The operating time at 16 times pickup becomes 0.06 sec. Then Time Adder shall be applied. The operating time of the
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Recloser controller FTU- R200
resulting curve ‘C’ is 0.09sec. Finally Minimum Response Time cuts the curve part, which is shorter than this time. Then the actual operating time of the example at 16 times becomes 0.1sec.
Figure 5-1 TC Curve Editing Example 1 There are two additional definite time over-current elements in the controller. The next figure shows 3-stage over-current protection characteristics. The third stage is prepared for instantaneous protection. Therefore the harmonic restraint is not applied to third stage elements, but the second stage definite time over-current element.
Figure 5-2 TC Curve Editing Example 2
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5.1.6
Recloser controller FTU- R200
Auto Reclosing Sequence
The FTU-R200 supports 3-shot reclosing with sequence coordination. For Permanent fault, under the condition of reclosing enabled, no other restraints such as coldload, inrush and no High Current Trip, recloser will be locked out to open the Reclosing Count repeating trip and reclose according to the preset settings. Range
Def.
Step
Unit
Operation Count
1~4
4
1
Instantaneous Count
0~4
2
1
Operation Count
1~4
4
1
Instantaneous Count
0~4
2
1
Reclose Interval 1st
0.5~180.0
0.6
0.1
sec
Reclose Interval 2nd
1~180
2
1
sec
Reclose Interval 3rd
1~180
15
1
sec
Reset Time
3~180
30
1
sec
1~4
4
1
Reclose Interval 1st
0.5~180.0
0.6
0.1
sec
Reclose Interval 2nd
1~180
2
1
sec
Reclose Interval 3rd
1~180
15
1
sec
Reset Time
3~180
30
1
sec
Comment
Phase
Earth
Phase/ Earth Reclosing
SEF Reclosing Operation Count
For example in the below figure, the reclosing sequence is organized in 2F2D, which means the Recloser protection function operates as Instantaneous(Fast) element during first 2 reclosing shots and operates as Time-Delayed element during last 2 reclosing shots. This composition also can be configured.
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Figure 5-3 Permanent Fault: 3 shot Reclosing & 2F2D For temporary fault, if the fault is removed before the preset Reclosing Count and no fault is detected during the preset Reset Time, then the reclosing sequence is initialized to normal operation standby mode. When a fault is detected again during the Reset Time, the Recloser will be locked out after the remaining reclosing counts excluding the previously operated reclosing counts.
Figure 5-4 Temporary Faults: Fault Removal during 1st Reclosing Interval
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5.1.7
Recloser controller FTU- R200
Sequence Coodination
In case that there are over 2 Reclosers which operate in serial connections, Sequence Coordination function prevents unnecessary trip of source-side Recloser by instantaneous element due to load-side fault. When this function is set to on and the fault is restored to normal state by load-side Recloser during source-side Recloser’s time-delayed operation, source-side Recloser only increments the reclosing counts without tripping. However, source-side Recloser performs tripping at the last reclosing count. If the Reclosing function is disabled, Sequence Coordination function is no longer carried out.
Seq. Coordination Active
Range
Def.
OFF/ON
OFF
Step
Unit
Comment
For Sequence Coordination, the following setting items should be issued and checked precisely between serially connected Reclosers. 9
Identical Protection Characteristics such as TC Curves, Total Operation Count, Instantaneous Operation Count
9
Identical Reclosing Interval(Dead Time)
9
Source-side TC Curve Time Delay Over 100msec than Load-side
9
Source-side Reset Time longer than Load-side longest Reclosing Interval (to Prevent Source-side Recloser reset during Load-side Reclosing action)
Figure 5-5 Operation of Sequence Coordination
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5.2
Recloser controller FTU- R200
Cold Load Pickup
Cold Load Pickup is the phenomenon that takes place when a distribution circuit is re-energized following an extended outage of that circuit. Cold load pickup is a composite of two conditions: inrush and loss of load diversity. The magnitude of cold load pickup current is a combination of non-diverse cyclic load current, continuously operating load current, transformer magnetizing current, capacitor inrush current, etc. The combination can result in current levels that are significantly higher than normal peak load levels. Cold load pickup current can be high enough to cause instantaneous overcurrent and/or time overcurrent relays to operate. Cold load pickup is primarily an overcurrent condition. If degraded voltage is also a concern, then the application of voltage sensitive relays should also be considered.
Figure 5-6 Cold Load Pickup Current Shape In Cold Load Pickup mode, without changing operational characteristics, pickup level is changed by the times of Cold Load Multiplier (0~10) and the characteristics of time-delayed element operate even if the setting is in the Instantaneous element. If the transient current goes down and retrains below the pickup level within Cold Load Duration, then the normal sequence mode is restored after Cold Load Restore Time. The Cold Load Restore Time is fixed value of 30msec. These setting exist for both phase fault and earth fault separately, and the value ‘0’ of Cold Load Multiplier means Cold Load Pickup Function disabled. Normaly Reclosing Sequence mode is applied.
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Recloser controller FTU- R200
Range
Def.
Step
0~10
2
1
0.00~60.00
3.00
0.01
0~10
2
1
0.00~60.00
3.00
0.01
Unit
Comment
Phase Detection Pickup Multiplier Duration Time
‘0' means disable. sec
Earth Detection Pickup Multiplier Duration Time
5.3
‘0' means disable. sec
SENSITIVE EARTH FAULT (SEF) DETECTION
On the non-grounded network, it is hard to detect fault current because ground current of nongrounded network is much low. Therefore, FTU-R200 is designed to measure zero-sequence values from either external core Balanced Current Transformer (or ZCT) or Residual Connection of 3 Phase Current Transformers to detect earth fault in the non-grounded network. This function is generally called SEF detection. In case of earth fault in the non-grounded network, since very small fault current due to line capacitance component flows into the fault point from both sides, SEF detection also considers the fault direction even in the radial network. Maximum Torque Angle is for setting the phase difference between zero-sequence voltage and zero-sequence current, and the protection zone is between -90° and +90° on the basis of Maximum Torque Angle. And it can be used for alarm or Trip.
Figure 5-7 Phase Diagram of SEF
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Range
Def.
Step
Unit
Pickup Current(3I0)
2~20
5
1
A
Pickup Voltage(-3V0)
10~80
30
1
%
Comment
Rated Phase Voltage
Max. Torque Angle
0~345
90
15
Degree
Detection Time
0.1~30.0
1.0
0.1
sec
Inrush Block
NO/YES
YES
OFF/ALARM/TRIP
OFF
Function In Use
5.4
Leading
DIRECTIONAL BLOCKING
Directional Blocking is a protection feature that restricts tripping on faults to a designated side of the recloser. It prevents nuisance tripping if particular network conditions are causing ‘False’ earth faults. In radial systems Directional Blocking prevents nuisance tripping by blocking faults in the reverse direction and only responding to faults in the foward direction. Protect for faults in the forward and reverse direction. A forward fault may use a different timecurrent curve and setting to a reverse fault (i.e. these are individually selectable). Both the forward protection and reverse protection are operating at the same time. This is an additional protection feature. Range
Def.
Step
Unit
Trip Direction
OFF/FWD/REV/ALL
FWD
3V1 Threshold
0~100
20
1
%
3I1 Threshold
0~100
20
1
%
3I1 Max. Torque Angle
0~355
60
5
Degree
OFF/FWD/REV/ALL
FWD
-3V0 Threshold
0~100
20
1
%
3I0 Threshold
0~100
20
1
%
3I0 Max. Torque Angle
0~355
60
5
Degree
Comment
Phase Detection
Earth Detection Trip Direction
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5.5
Recloser controller FTU- R200
INRUSH RESTRAINTS
Inrush Restraint works by raising the phase and earth currents for a short period of time to allow the inrush current to subside. Inrush current is an over-current higher than pickup current level, which is mainly caused by transformer’s excitation current at closing action. To distinguish inrush current from load current, 2nd harmonics percentage is adopted as a criterion. When, in the setting, ‘Fault Detection-Inrush Block’ is set to ‘Yes’ and ‘Fault Detection-Inrush Detection-Function In Use’ is set to ‘ON’, inrush current over pickup level is considered as normal load current and reclosing sequence is not processed. This Function can be used to detect magnetizing inrush condition by comparing 2nd harmonic component to fundamental frequency component of current. Range
Def.
Step
Unit
5~50
20
1
%
Detection Time
0.02~1.00
0.02
0.01
sec
Function In Use
OFF/ON
ON
2nd Harmonic
5.6
Comment
OPEN LINE DETECTION (LOSS OF PHASE)
Open Line is detected by Under Voltage characteristics at unbalanced condition. When the voltage on one or two phases drops below the ‘Volt OFF Level’ setting, the ‘Delay Time’ starts running. If the voltage on those phases stays below ‘Volt OFF Level’ setting until the ‘Delay Time’ timer expires, the Loss of Phase will be detected. If the voltage on detected phase rises to the ‘Vol ON Level’ setting, the Loss of Phase is released immediately. Range
Def.
Step
Unit
Volt ON Level
50~90
80
5
%
Volt OFF Level
35~75
50
5
%
Delay Time
0.1~30.0
0.4
0.1
sec
Function In Use
OFF/ON
ON
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Comment
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5.7
Recloser controller FTU- R200
PHASE SYNC. CHECK
Range
Def.
Step
Unit
5~60
30
1
Degree
Dalay Time
0.1~30.0
0.1
0.1
sec
Function In Use
OFF/ON
ON
Phase Difference
5.8
Comment
UNDER VOLTAGE PROTECTION
As the supplied voltage to load lowers down, there occur the weakness of illumination intensity and shortening of life span for lighting load, and the damage to motors because of the overcurrent flow. To cope with this situation of damages to equipment, under-voltage protection (UV) is used. UV of FTU supports the delay time element. Furthermore, UV can be used to generate only alarm signal to operator instead of trip signal to Recloser.
Figure 5-8 Functional Diagram for Under Voltage Protection Range
Def.
Step
Unit
Pickup Level
0.30~0.95
0.80
0.01
PU
Delay Time
0.0~180.0
1.0
0.1
sec
OFF/ARAMP/TRIP
OFF
Function In Use
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Comment
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5.9
Recloser controller FTU- R200
OVER VOLTAGE PROTECTION
On the other hand, as the supplied voltage goes up behind the regular load voltage, there occur some problems of equipment deterioration, insulation breakdown, equipment life span shortening, etc. Over Voltage Protection (OV) manages this situation. OV of FTU supports the delay time element. OV also can be used to generate only alarm signal to operator instead of trip signal to Recloser.
Figure 5-9 Functional Diagram for Over Voltage Function
Range
Def.
Step
Unit
Pickup Level
1.05~1.50
1.20
0.01
PU
Delay Time
0.0~180.0
1.0
0.1
sec
OFF/ARAMP/TRIP
OFF
Function In Use
Comment
5.10 UNDER FREQUENCY PROTECTION Under Frequency protection (UF) element is used into expenditure that detect under frequency and separated load or generator. Under Frequency demands for power increase or occurs in control failure of generator. Under Frequency protection element acts in case of voltage more than ‘Voltage OFF Level’ is approved to Voltage A-Phase. UF of FTU supports the delay time element. Furthermore, UV can be used to generate only alarm signal to operator instead of trip signal to Recloser.
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Recloser controller FTU- R200
Range
Def.
Step
Unit
Pickup
47.00~59.98
49.80
0.01
Hz
Dalay Time
0.03~10.00
0.10
0.01
sec
OFF/ARAMP/TRIP
OFF
Function In Use
Comment
5.11 MULTIPLE PROTECTION GROUPS The FTU-R200 supports up to 4 Protection Groups, each of which can be confiqured with completely separate protection characteristics with different inverse time curves and setting currents. The number of protection group avaliable to the operator can be configured. And FTU-R200 support Automatic Protection Group Selection. Automatic Protection Group Selection is used to change the protection group depending on the direction of power flow. This allows the Recloser to be correctly graded with devices downstream regardless of the power flow direction.
Default Group ADGS(Automatic Default Group Selection) Function Reverse Group
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Range
Def.
Step
1~4
1
1
OFF/ON
OFF
1~4
1
1
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Recloser controller FTU- R200
6
CONFIGURATION SETTING
6.1
I/O CONFIGURATION
6.1.1
AC RATING
Range
Def.
Step
Unit
Line Configuration
Y-G/DELTA
Y-G
Systme Frequency
50/60
Rated Voltage (L-L) Reference Voltage (L-N)
50
40
Hz
1000~30000
22900
10
V
Phase to Phase
1000~30000
13200
10
V
Phase to Earth
Reference Phase
A/B/C
A
CB Operating Time
0~35
1
1
ms
1~5000
1000
1
FWD/REV
FWD
1.0~5000.0
133.3
NCT Direction
FWD/REV
FWD
Phase Rotation
A-B-C/A-C-B
A-B-C
Sample Record Frequency
16/32/64/128
128
CT Ratio CT Direction NCT Ratio
9
Comment
0.1
SWITCH INSTALLATION
The FTU-R200 provides a function to set ‘Reference Phase’ and the ‘CT Direction’ according to the switch installation position and the current flowing direction. Figure 6-1 shows the general and ‘assumed-default’ case of switch installation, in which the distribution lines with current A, B, C are connected to the phase A, B, C terminals of the switch, and the current is flowing A/B/C to R/S/T of the switch. In this case, the ‘Referece Phase’ setting value should ‘A’, which means that the phase of current flowing into the phase A terminal of the switch is ‘A’, In addition, the ‘CT Direction’ setting value should be ‘Foward’, which means that the current is flowing in the direction from the phase A/B/C terminals to the R/S/T terminals of the switch.
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Recloser controller FTU- R200
Figure 6-1 Switch installation position and the current flowing direction – Case 1 Figure 6-2 shows another case of switch installation, in which the distriburion lines with current A, B, C are connected to the phase A, B, C terminals of the switch, and the current is flowing from R/S/T to A/B/C of the switch. In this case, the ‘Referece Phase’ setting value should ‘A’, which means that the phase of current flowing into the phase A terminal of the switch is ‘A’, In addition, the ‘CT Direction’ setting value should be ‘Reverse’, which means that the current is flowing in the direction from the phase R/S/T terminals to the A/B/C terminals of the switch.
Figure 6-2 Switch installation position and the current flowing direction – Case 2
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Figure 6-3 shows another case of switch installation, in which the distriburion lines with current A, B, C are connected to the phase C, B, A terminals of the switch, and the current is flowing from R/S/T to A/B/C of the switch. In this case, the ‘Referece Phase’ setting value should ‘C’, which means that the phase of current flowing into the phase A terminal of the switch is ‘C’, In addition, the ‘CT Direction’ setting value should be ‘Reverse’, which means that the current is flowing in the direction from the phase R/S/T terminals to the A/B/C terminals of the switch.
Figure 6-3 Switch installation position and the current flowing direction – Case 3 Figure 6-4 shows another case of switch installation, in which the distriburion lines with current A, B, C are connected to the phase C, B, A terminals of the switch, and the current is flowing from A/B/C to R/S/T of the switch. In this case, the ‘Referece Phase’ setting value should ‘C’, which means that the phase of current flowing into the phase A terminal of the switch is ‘C’, In addition, the ‘CT Direction’ setting value should be ‘Forward’, which means that the current is flowing in the direction from the phase A/B/C terminals to the R/S/T terminals of the switch.
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Recloser controller FTU- R200
Figure 66-4 Switch installation position and the current flowing direction – Case 4
6.1.2
DEMAND SETTING
The FTU calculates and stores average of currents and active, reactive powers during the demand interval, which is configurable as 5, 10 or 15 minutes. The buffer has 1023 demands. Also FTU stores daily peak demand up to 1023.
Block Interval Roll Interval
6.1.3
Range
Def.
15/30/60
15
1/5/15/30/60
15
Step
Unit
Comment
WAVE TRIGGER Range
Def.
16/32/64/128
128
Pre-1st Cycle
1~5
Post-2nd Cycle Pre-2nd Trigger Cycle
Sample Record Frequency
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Step
Unit
2
1
Cycle
1~5
2
1
Cycle
1~10
10
1
Cycle
Comment
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6.1.4
Recloser controller FTU- R200
CLOSE INTERLOCK Range
Def.
Live Load
NO/YES
YES
Sync. Fail
NO/YES
YES
Range
Def.
MANUAL/AUTO
MANUAL
6.1.5
Unit
Comment
Step
Unit
Comment
FI RESET SELECT
FI Reset
6.1.6
Step
VOLTAGE DISPLAY
The controller supports two voltage display of LCD.
Voltage Display
Range
Def.
L-N/L-L
L-N
Step
Unit
Comment L-N : Phase to Earth L-L : Phase to Phase
6.2 6.2.1
POWER QUALITY MEASUREMENT FUNCION VOLTAGE & CURRENT UNBALANCE
Voltage unbalance (or imbalance) is a condition in which the maximum deviation from the average of the three-phase voltages or currents, divided by the average of the three-phase voltage or currents, expressed in percentage. Voltage unbalance can be the result of blown fuses in one phase of a three-phase capacitor bank. Severe voltage unbalance greater than 5% can cause damage to sensitive equipments.
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Range
Def.
Step
Unit
Detection Level
0~100
30
1
%
Detection Time
0.1~60.0
1.0
0.1
sec
Detection Level
0~100
30
1
%
Detection Time
0.1~60.0
1.0
0.1
sec
Comment
Voltage Unbalance
Current Unbalance
6.2.2
SHORT-DURATION VOLTAGE VARIATION
There are three types of short-duration voltage variations, namely, instantaneous, momentary and temporary, depending on its duration. Short-duration voltage variations are caused by fault conditions, energization of large loads, which require high starting currents or loose connections in power wiring. Depending on the fault location and the system conditions, the fault can generate sags, swells or interruptions. The fault condition can be close to or remote from the point of interest. During the actual fault condition, the effect of the voltage is of short-duration variation until protective devices operate to clear the fault. 6.2.2.1 SAG A sag (also known as dip) is a reduction to between 0.5 and 0.99 pu in RMS voltage or current at the power frequency for a short period of time from 0.5 to 10 cycle. A 10% sag is considered an event during which the RMS voltage decreased by 10% to 0.9 pu. Voltage sags are widely recorgnized as among the most common and inportant aspects of power quality problems affecting industrial and commercial customers. They are particularly troublesome. Since they occur randomly and are difficult to predict. Volatge sags are normally associated with system faults on the distribution system, sudden increase in system loads, lightning strikes or starting of large load like induction motors. It is not possible to eliminate faults on a system. One of the most common causes of faults occuring on high-volatage transmission systems is a lightning strike. When there is a fault caused by a lightning strike, the voltage can sag to 50% of the standard range and can last from four to seven cycles. Most loads will be tripped off when encounter this type of voltage level. Possible effect of voltage
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sags would be system shutdown or reduce effciency and life span of electrical equipment, particularly motors. Equipment sensitivity to voltage sag occurs randomly and has become the most serious power quality problem affecting many industries and commercial customers presently. An industrial monitoring program determined an 87% voltage disturbances could be associate to voltage sags. Most of the fault on the utility transmission and distribution system are single line-to-ground faults (SLGF). Range
Def.
Step
Unit
Detection Level
0.50~0.99
0.90
0.01
PU
Detection Time
0.5~10.0
2.0
0.5
Cycle
Comment
6.2.2.2 SWELL A swell (also known as momentary overvoltage) is an increase in RMS voltage or current at the power frequency to between 1.01 and 1.5 Pu for duration from 0.5 to 10 cycles. Swells are commonly caused by system conditions, switching off a large load or energizing a large capacitor bank. A swell can occur during a single line-to-ground fault (SLGF) with a temporary voltage rise on the unfaulted phases. They are not as common as voltage sags and are characterized also by both the magnitude and duration. During a fault condition, the severity of a voltage swell is very much dependent on the system inpedance, location of the fault and grounding. The effect of this type of disturbance would be hardware failure in the equipment due to overheating. Range
Def.
Step
Unit
Detection Level
1.01~1.50
1.20
0.01
PU
Detection Time
0.5~10.0
2.0
0.5
Cycle
Comment
6.2.2.3 INTERRUPTION An interruption occurs when there is a reduction of the supply voltage or load current to between 0.1 and 0.49 pu for duration from 0.5 to 10 cycle. Possible causes would be circuit breakers responding to overload, lightning and faults. Interruptions are the result of equipment failures, power system faults and control malfunctions. They are characterized by their duration as the voltage magnitude is always less than 10% of the nominal. The duration of an interruption can
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be irregular when due to equipment malfuctions or loose connections. The duration of an interruption due to a fault on the utility system is determined by the utility protective devices operating time. Range
Def.
Step
Unit
Detection Level
0.10~0.49
0.10
0.01
PU
Detection Time
0.5~10.0
2.0
0.5
Cycle
6.2.3
Comment
VOLTAGE & CURRENT THD ALARM
The Total Harmonic Distortion, or THD, of a sigmal is a measurement of the harmonic distortion present and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. Range
Def.
Step
Unit
Alarm Level
0.5~100.0
0.0
0.1
%
Detection Time
0.2~60.0
0.4
0.2
sec
Alarm Level
0.5~100.0
0.0
0.1
%
Detection Time
0.2~60.0
0.4
0.2
sec
Comment
Voltage
Current
6.3
COMMUNICATION
6.3.1
PORT PARAMETERS
6.3.1.1 SERIAL PORT
Speed Slave Adderss Protocol Port
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Range
Def.
1200/2400/4800/9600/19200
1200
1~65534
1
DNP/IEC101/IEC104
DNP
RS232C/RS485
RS232C
Step
Unit
1
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6.3.1.2 DIAL UP Range
Def.
Dial-up Mode
DISABLE/ENABLE
DISABLE
Phone Number
20 Digit
Auto Hang-up Time
Step
Unit
1
0~255
5
1
sec
Range
Def.
Step
Unit
IP Address
-
0.0.0.0
Subnet Mask
-
255.255.255.0
Gateway
-
0.0.0.0
DNP Port
0~65535
20000
1
IEC Port
0~65535
2404
1
Range
Def.
Step
Unit
2-WIRE/4-WIRE
4-WIRE
RTS Off Delay
10~500
50
10
ms
CTS Timeout
1~255
2
1
sec
DCD Timeout
0.1~30.0
5.0
0.1
sec
6.3.1.3 TCP/IP PORT
6.3.1.4 MODEM CONTROL
Line
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6.3.2
Recloser controller FTU- R200
DNP3.0 PARAMETERS Range
Def.
Step
0~2
0
1
D/L Timeout
1~255
30
1
D/L Confirm
NO/YES/SOMETIMES
SOMETIMES
0~2
1
1
1~255
40
1
sec
NO/YES
NO
Unsolicited Class 1 Delay Time
0~60
5
1
sec
Unsolicited Class 2 Delay Time
0~60
5
1
sec
Unsolicited Class 3 Delay Time
0~60
5
1
sec
Arm Timeout
1~255
15
1
sec
Unsolicited Address
0~65534
65534
1
Multi Frame Interval
10~500
100
10
Unsolicited Class 1
DISABLE/ENABLE
DISABLE
Unsolicited Class 2
DISABLE/ENABLE
DISABLE
Unsolicited Class 3
DISABLE/ENABLE
DISABLE
D/L Retries
A/L Retries A/L Timeout Initial Unsolicited MSG
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Unit
sec
ms
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6.3.3
Recloser controller FTU- R200
IEC PARAMETERS Range
Def.
Step
Unit
Cyclic Period
0~60
0
1
sec
Arm Timeout
1~255
15
1
sec
Single Point Class
CLASS1/CLASS2
CLASS1
Double Point Class
CLASS1/CLASS2
CLASS1
Measured Point Class
CLASS1/CLASS2
CLASS2
Link Address Size
0~2
2
1
Common Address Size
1~2
2
1
Object Address Size
1~3
2
1
COT Address Size
1~2
1
1
NONE/CP24/CP56
CP56
NO/YES
YES
t0 Off Line Poll Period
1~255
30
1
sec
t1 Ack Period
1~255
15
1
sec
t2 SFrame Period
1~255
10
1
sec
t3 Test Period
1~255
20
1
sec
IEC101 PARAMETERS
Time Marker Single NACK Control IEC104 PARAMETERS
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7
STATUS MONITORING & CONTROL
7.1
SWITCH CONTROL
Recloser controller FTU- R200
Recloser can be controlled from remote or local operator place. Operator place can be changed only at local front panel. ‘REMOTE CONTROL’ push button is to select the operator place. Operator place is toggled between local and remote by pushing button. LED is lit if remote position is selected. FTU-R200 begins with remote position at power-up. Control is allowed only at the position selected. Local switch control requires two-step operation. It’s for security of operation. ‘SELECT’ button should be pushed before ‘CLOSE’ or ‘OPEN’. SELECT LED is lit if SELECT operation is valid. SELECT can be canceled by pushing SELECT button again or automatically after SBO timeout without operation. CLOSE or OPEN operation is valid while this LED is lit. Pushing CLOSE or OPEN button outputs switch control signal with fixed time pulse which is configurable. Switch status change input which is auxiliary contacts of switch stops continuing to output pulse. There are some interlock conditions to inhibit FTU from outputting pulse signal. Gas low, Switch handle lock, same status of switch auxiliary contacts ‘a’, ‘b’ are those. Close or open pulse width shall be set longer than switch operating time. Remote switch control is possible by using SCADA protocol DNP3.0 or IEC60870-5-101, IEC60870-5-104 FTU-R200 supports SBO (Select Before Operate) or Direct operate. If the operator place is set to ‘Local’, remote control commands are refused. Pulse width of remote control command shorter than setting will be overridden by local configuration
7.2
SWITCH STATUS MONITORING
FTU monitors switch open/close, gas and lock status through auxiliary contacts. FTU scans these contacts input every 5 milliseconds. Switch open/close status is determined by double binary input, normally open and closed contacts. Changes of all input status are saved as events with time tag in history buffer. For each contact input, on-delay time can be applied. It’s adjustable within 10~500ms by 5ms step.
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7.3
Recloser controller FTU- R200
BATTEY MONITORING
FTU monitors external Lead-acid battery through the control unit, which are mounted on inner back-side of control box. Battery voltage is supervised continuously during external AC supply loss. If over-discharge condition occurred, the control unit sends alarm signal to RTU and disconnect battery in order to protect battery cell damage after 1-minute delay. The delay enables RTU to send alarm state to remote station via communication. Also while AC supply is applied, battery test control activates this function with connecting dummy battery load during test pulse, which is configurable. The test control command can be ordered at local or remote.
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8
MEASUREMENTS
8.1
BASIC ELECTRIC QUANTITIES
Recloser controller FTU- R200
FTU has 3-phase currents and 6 voltages input. DSP digitizes these signals and calculates various electric quantities. These are basically based on fundamental frequency components. DSP use FFT (Fast Fourier Transform) algorithm to get the components. Also DSP calculates true RMS of 3phase currents and voltages which include system frequency components and 2nd~31th harmonics. Actually harmonic components over than 31th are attenuated by analog filters. Electric quantities calculated are listed in the following. Currents (Ia, Ib, Ic, In)
RMS, Phase Angle, True RMS
Voltage (Va, Vb, Vc, Vr, Vs, Vt)
RMS, Phase Angle, True RMS
Apparent Power
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Active Power
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Reactive Power
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Power Factor
A-Phase, B-Phase, C-Phase, 3-Phase Total,
Va-Vr Phase Angle Difference Current, Voltage Unbalance Frequency, Temporature In the above items listed, active power, reactive power values are signed integer. Sign represents power flow or if loads are inductive or capacitive. Also power factor has lead/lag state value separately. Currents and voltages have phase angles, which are relative phase angles compared to the reference Va. These angles are useful to monitor the phase sequence and imbalance of distribution line.
8.2
SEQUENCE COMPONENTS
FTU provides the sequence components of 3-phase currents and voltages. They are positive sequence current (I1) and voltage (V1), negative sequence current (I2) and voltage (V2), and zero sequence voltage (V0) which are calculated by 3-phase phasor quantities. This information can be used to monitor imbalance of distribution line.
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8.3
Recloser controller FTU- R200
HARMONICS
FTU extracts harmonic components from 3-phase current and voltage signals by using FFT (Fast Fourier Transform). It provides 2nd to 31st harmonic magnitudes and THDs (Total Harmonic Distortion) for each phase. THD is the total harmonic percentage to the fundamental frequency component. FTU also calculates and provides 3-phase THD. These values may be used to monitor the power quality of distribution line.
8.4
ENERGY
FTU provides active energy, reactive energy for each phase or 3-phase total. Also import, export energy are accumulated on separate register. Units of energy are kWh, kVarh, which represent primary distribution line energy flow. The values are represented by 16-bit rollovers kWh, kVarh counters which are available at remote or local. Power calculation for energy is based on the fundamental frequency component. It’s not for billing purpose, but for load management. Proper energy accumulation needs that SCADA read energy counter with reset from FTU and accumulate it on SCADA’s local register by periods shorter than the expected rollover time of the counter.
Figure 8-1 Four-quadrant power flow directions
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8.5
Recloser controller FTU- R200
DEMAND CURRENTS AND POWER
FTU calculates and stores average of currents and active, reactive powers during the demand interval, which is configurable as 5, 10, or 15 minutes. The buffer has 1023 demands. Also FTU stores daily peak demand up to 1023.
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9
MAINTENANCE SOFTWARE
9.1
OVERVIEW
FTU-R200 has a dedicated setting and operation tool, FTUMan. This tool is operated on PC or Notebook, and through RS232C port on front panel of FTU-R200. For this communication, MODBUS protocol is used. It supports the follwing features. 9
Setting & Configuration changes
9
Event & Waveform load
9
Measurement & Status display
9
Waveform File upload and convert
9
SCADA monitors protocol data frame between devices
Figure 9-1 Overview of FTUMans
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9.2 9.2.1
Recloser controller FTU- R200
OPERATION OF FTUMAN MENU
9.2.1.1 FILE New
Closes the current file and allows the creation of a new file
Open
Closes the current file and opens a standard window file selection dialog. An existing FTU File (*.f2s) can be selected and opened.
Save
Saves the current file to the hard drive. If the file is new and this is the first time it has been saved, the Save As dialog will be opened allowing the user to type in a name before saving.
Save As
Opens a standard Windows Save As dialog box. This allows an existing file to be saved under a new name.
Exit
Closes the current file and exits the tool.
9.2.1.2 COMM Comm.Config
Opens a window for communication configuration dialog.
Comm.Connection
Starts communication with FTU-R200
Comm.Disconnection
Stops connecting with FTU-R200
Figure 9-2 Comm. Configuration Window 9
Port
Select a serial Port of Laptop
9
Baud Rate
Make to the transmission medium per second of in a digitally signal
9
Retry Set up the count if it failed to connect
9
Timeout
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Set up the time to connect
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9.2.1.3 COMMAND 9
Clock Setting
Set RTC Time of FTU-R200
Figure 9-3 Clock Setting Window
9
Device Time
Gets the current time per 1 second from FTU-R200.
Setting Time
The operator can set aside time.
Use System Time
The operator can use PC’s time.
Write
Write RTC time to FTU-R200
Close
Close this window
Factory
Reset to factory defaults.
Initialization
Warning: Restoring FTU-R200 to factory defaults will erase all previous setting, configuration and event.
Fiqure 9-4 Factory Initialization Message Window
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9.2.1.4 TOOLS Protocol Monitoring
Protocol monitoring command activation or deactivation.
IO Configuration
Run the IOConfig program for I/O setting.
DNP3.0
Run the DNPConfig program for DNP index configuration.
Index Configuration
The DNPConfig is explained in the Section 11.
Waveform
Run the EvalTool program for analysis waveform data.
Evaluation Tool
The EvalTool is explained in the Section 12.
The IOConfig is explained in the Section 10.
9.2.1.5 VIEW Toolbar
Show or hide the toolbar.
Status Bar
Show or hide the status bar.
Monitoring Bar
Show or hide the monitoring bar. The monitoring bar shows communication status with FTU-R200.
9.2.1.6 HELP The Help Menu opens a window for FTUMan’s program version and information.
9.2.2
TOOLBAR
Below the menu is a toolbar with 9 buttons.
Figure 9-5 Toolbar of FTUMan Upload
Read input or ouput data from FTU-R200.
Download
Write input or ouput data to FTU-R200.
About
Opens a window for FTUMan’s program version and information.
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9.2..3
R Recloser contrroller FTU- R2 200
STATUS SBAR
Fiqu ure 9-6 Statuss Bar
9.2..4
MODEL
Model Name
F/W
mware Version n Firm
PORT
Seriial Port Numb ber and Speed d
MODE
Com mmunication Status
MONIT ORING BAR R
Figure 9-7 Monitorring Bar Som me performancce is finished Read ds data from FTU-R200 Wirttes the setting g value on FT TU-R200 Whe en Factory Initialization occcurs. Erro or of connectio on or operatio on Connect or Disco onnect betwee en PC and FTU U-R200 Whe en the time se et is complete ed
9.2..5
FUNCTIION AND CO ONFIGURAT TION SETTIN NG
In n Function an nd Configura ation window w, existing se etting values of FTU-R200 0 can be vie ewed thro ough ‘Upload’ button, or setting values are edited and downloa aded to FTU-R200 by cliccking ‘Dow wnload’ butto on to apply ne ew setting values to FTU-R R200.
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In some cases, operators require to save and reuse these edited setting values. To satisfy this request, FTUMan tool has ‘New’, ‘Open’ and ‘Save’ menu items in File Menu. The file extension name is ‘f2s’. If you set up the ADGS (Auto Detection Group Setting) Function ‘ON’, you can check the current direction ‘Forward’ or ‘Reverse’. Function has 5 contents, 4 setting groups and active group setting. Each group has protection setting value for FTU-R200. Configuration has 3 contents for I/O, PQM and communication.
Communication
seperated
3
contens, for Port, DNP3.0 and IEC protocol parameter to communication for SCADA. In tree view, if you choose some content, icon will be replaced with a red icon from a blue icon. And show setting parameters related content.
Figure 9-8 Tree View for Funtion and Coufiguration How to edit the setting value? Click the content in tree view and editing value using double-click or Enter-Key. If you changed value, the text color is changed in red.
Figure 9-9 before the Change
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Recloser controller FTU- R200
Figure 9-10 after the Change And, in event window has a following pop-up menu. In the Tree View, select ‘FUNCTION’or ‘CONFIGURATION’ or all sub contens, and press the right-click pop-up menu is avaliable. If you click ‘Upload’ Button, the setting parameters related selected contents in the tree view reads from FTU-R200. Also, if you click ‘Download’ Button, the setting
parameters
related
selected
contents in the tree view writes to FTUR200. Figure 9-11 Pop-up Menu for Event Window
Figure 9-12 Input Password Dialog When the Factory Initialization or all of information are changed, Input Password Window will be appeared.
Note: Default Password is ‘ftuman’.
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9.2.6
Recloser controller FTU- R200
EVENT
In Event window, operators can list up all the event records, which are stored in the memory of FTU-R200 by clicking ‘Upload’ button. Also 8 kinds of events are stored. Each event type of event can be separately uploaded from FTU-R200 and can save to CSV format file. Time Resolution for event recording is 5 msec and scanning interval is 1 msec. And, in event window has a following pop-up menu. In the Tree View, select ‘EVENT’ and press the right-click pop-up menu is avaliable.
Figure 9-13 Pop-up Menu for Event Window Upload
Reads the selected events in the tree view.
Clear All Events
Delete all event stored.
Clear Fault Events
Delete only fault events.
Save to CSV File
Current event saves to CSV (Comma-Saperated Values file) file format.
9
CSV File A Comma-Seperated Values (CSV) file is used for the digital storage of data structed in
a table of lists form, where each associated item (member) in a group is in association with others also seperated by the commas of its set. Each line in the CSV file corresponds to a row in the table. Within a line, fields are seperated by commas, each field belonging to one table column. Since it is a common and simple file format, CSV files are often used for moving tabular data between two different computer programs, for example between a database program and a spreadsheet program.
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Recloser controller FTU- R200
9.2.6.1 I/O EVENT
Figure 9-14 I/O Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
Information of generated binary event.
Status
Occured contact points and binary status, OFF/ON/AUTO
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9.2.6.2 FUNCTION EVENT
Figure 9-15 Function Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
Operation of protection functions.
Status
Occurred function event status, OFF/ON.
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Recloser controller FTU- R200
9.2.6.3 SYSTEM EVENT
Figure 9-16 System Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
Information of generated event like set value changed, triggered by power reset and system error or self-diagnosis.
Status
Occurred event position and detailed description of system error or selfdiagnosis.
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Recloser controller FTU- R200
9.2.6.4 FAULT EVENT
Figure 9-17 Fault Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
OC
Detecting over-current.
SEF
Detecting Sensitive Earth Fault.
UFR
Detecting Under Frequency.
DIR
Fault current direction.
Inrush
Detecting inrush restraint.
Ia, Ib, Ic, In, V0
Fault current and zero-sequency voltage
Group
Current setting group
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Recloser controller FTU- R200
9.2.6.5 PQM EVENT
Figure 9-18 PQM Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Description
The occurance history of power quality function change.
Value
RMS value of voltage when moment voltage change occurs. Unit: kV
Duration
Duration time of moment voltage change by msec. Unit: msec
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Recloser controller FTU- R200
9.2.6.6 DEMAND CURRENT EVENT
Figure 9-19 Demand Current Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
Ia, Ib, Ic, In
Demand current of each phase and neutral.
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Recloser controller FTU- R200
9.2.6.7 DEMAND POWER EVENT
Figure 9-20 Demand Power Event Window Index
Event sequence number, the recent events that occurred is displayed on top.
Date & Time
Event occurred time.
kWa, kWb, kWc, kW3ph
3-phase total and each phase kW.
kVARa, kVARb,
3-phase total and each phase kVAR.
kVARc, kVAR3ph 9.2.6.8 DAILY MAXIMUM CURRENT EVENT For more details, similar in section 9.2.5.6. Demand Current Event. 9.2.6.9 DAILY MAXIMUM POWER EVENT For more details, similar in section 9.2.5.7. Demand Power Event.
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9.2.7
Recloser controller FTU- R200
MEASUREMENT
Operators can monitor all kinds of measurement values such as current, voltage, sequence value, power and energy, etc. And, FTU-R200 has the function of Harmonic Analysis, therefore up to 31st harmonics RMS value and THD for current and voltage are measured and displayed. Lastly, counter values and accumulation data are displayed. FTUMan has 6 kinds of Mesurement window. The measurement value updates per 1 second. 9.2.7.1 BASIC VALUE Operators can check the basic value like load or source volatage, current including RMS, Phase Angle and True RMS also apparent, active and reactive power. And it shows unbalance frequency, temperature and so on.
Figure 9-21 Basic Mesurement Window
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Recloser controller FTU- R200
9.2.7.2 SEQUENCE VALUE It shows zero, positive and negative sequence of source or load voltage and current.
Fiqure 9-22 Sequence Value Window
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Recloser controller FTU- R200
9.2.7.3 POWER You can check active, reactive and apparent power of each phase or 3-phase. It also shows lag of each phase or lead.
Fiqure 9-23 Power Winodw
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Recloser controller FTU- R200
9.2.7.4 ENERGY FTU-R200 provies imported or exported energy according to conductive, inductive energy of each phase or 3-phase total.
Fiqure 9-24 Energy Window
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Recloser controller FTU- R200
9.2.7.5 HARMONICS It displays THD and each harmonics value of voltage and current. It shows from 2nd to 31st per 1 second.
Fiqure 9-25 Harmonics Window
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Recloser controller FTU- R200
9.2.7.6 COUNTER It basically shows restart, fault, PQM and THD counter and total interruption time.
Fiqure 9-26 Counter Window Restart
Show restarts time and its count.
Fault Counter
Show the total fault count of each, neutral phase and Switch Trip.
PQM Counter
Show the short-duration voltage variation event count.
Total Interruption Time
Show the total interruption time.
THD Counter
Show the each or total phase’s current and voltage THD counts.
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9.2.8
Recloser controller FTU- R200
STATUS
In status window, all the status indications and command are displayed.
Figure 9-27 Status Window When operator supervises some command in status window, this window generated. Upper box shows device name, bottom box displays command name. If you click the ‘OK’ button, command will be operated and window will be disappeared.
Figure 99-28 Commnad Window
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9.2.9
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WAVEFORM
In waveform window displays Fault and PQM waveforms list stored in FTU-R200. FTU-R200 can record and store the data for up to 8 faults, up to 6 PQM and 1 waveform by manual triggering. And each waveform has the data of 20 cycles at 128 samples. How to upload waveforms are as follow. First, by using the ‘Upload’ command reads a list of stored waveforms on the FTU-R200.
Figure 9-29 Waveform List Uploaded To import the waveform from FTU-R200, select a row and double click, you upload the following message window appears.
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Figure 9-30 Message Window If you click the ‘OK’ button, opens standard Windows Save As dialog box and enter the file name, and click the Save button. And then will start uploading waveform. The follwing window shows the progress for uploading.
Figure 9-31 Progress Window The file is stored in the COMTRADE file format by converting. The stored file is avalilable the waveform analysis by EvalTool. The EvalTool is explained in the Section 12. And, in waveform window has a following pop-up menu. In the Tree View, select ‘WAVEFORM’ and press the rightclick pop-up menu is avaliable.
Fiqure 9-32 Pop-up Menu for Waveform Window Upload
Read waveform list from FTU-R200.
Manual Trigger
Capture current waveform by manual triggerring.
Clear Fault Waveforms
Delete all fault waveform stored.
Clear PQM Waveforms
Delete all PQM waveform stored.
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10
Recloser controller FTU- R200
I/O CONFIGURATION TOOL
10.1 OVERVIEW The ‘IO Config’ tool allows FTU users to custom I/O mappings.
Figure 10-1 Overview of IOConfig Tool The I/O mapping is created using the tool and saved to an IO File (*.iom). Once a valid file has been created, it is linked to the Recloser device. The IOConfig tool is intended to be used off-line only. Mappings are created, saved and linked to FTUMan while disconnected from the FTU. Once these tasks have been completed the user connects to the device and writes the new mapping into the Recloser. 9
Warning: Make sure the IOConfig Tool is closed after a mapping has been edited. If the Tool is left open while the Automatic Data Retriaval feature is running it may attempt to update a mapping file that is already open in the Tool. This will either cause the read
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operation to fail or result in a situation where the newly read file differs from the file open within the Tool.
10.2 OPERATION OF IOCONFIG To start the IOConfig Tool selects ‘Tools – IO Configration’ from the FTUMan menu. When you run the IOConfig Tool, main screen is displayed as show in following figure. There are two tabbed pages in the IOConfig Tool.
Figure 10-2 Main Screen of IOConfig Tool
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10.2.1 MENU The File Menu has the following options. New
Closes the current file and allows the creation of a new file
Open
Closes the current file and opens a standard window file selection dialog. An existing IO File (*.iom) can be selected and opened.
Save
Saves the current file to the hard drive. If the file is new and this is the first time it has been saved, the Save As dialog will be opened allowing the user to type in a name before saving.
Save As
Opens a standard Windows Save As dialog box. This allows an existing file to be saved under a new name.
Exit
Closes the current file and exits the tool.
The Comm Menu is explained in the Section 9.2.1.2 Comm. The View Menu is explained in the Section 9.2.1.5 View. The Help Menu opens a window for IOConfig’s program version and information.
10.2.2 TOOLBAR Below the menu is a toolbar with 9 buttons.
Figure 10-3 Toolbar of IOConfig Upload
Read input or ouput data from FTU-R200.
Download
Write input or ouput data to FTU-R200.
About
Opens
a
window
for
IOConfig’s
program
version
and
information. Once you Press the Upload or Download button, the follwing window appears. This window determines the types of data read or write.
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Figure 10-4 Select Widow
10.2.3 INPUT FTU-R200 has 10 inputs. Input is created by filling the fields on the Input tab. Each column is defined as follows.
Name
Input name is defined. Type of the characters is limited to 11 characters. Note: 0~3 of 4 input points is fixed.
Debounce Time
The minimum time to retain status change. Like, it prevents making useless information against chattering in the point
Invert
Specifies whether the point will be inverted.
Blk.Open
To open blocked
Blk.Close
To close blocked
Ext.Trip
To trip using external input
Ext. Close
To close using external input Figure 10-5 Input Tab
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10.2.4 OUTPUT FTU-R200 has 4 relay outputs and 2 photoMOS relay outs. Output is created by filling the fields on the Output tab. Eash column is defined as follows.
Figure 10-6 Output Tab Name
Output name is defined. Type characters are limited to 11 characters. Only index number of 3 is changed.
Pulse Time
Set a pulse command.
Control Output
Select type of PhotoMOS or Contact Relay for OPEN and CLOSE.
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Recloser controller FTU- R200
DNP3.0 INDEX CONFIGURATION TOOL
11.1 OVERVIEW Custom DNP3.0 point index maps can now be created and loaded into FTU directly from DNPConfig. The mappings is created using the tool and saved to a DNP3.0 mapping file (*.d3m).
Figure 11-1 Overview of DNPConfig The DNPConfig tool is intended to be used off-line only. Mappings are created, saved and linked to FTUMan while disconnected from the FTU. Once these tasks have been completed the user connects to the device and writes the new mapping into the Recloser. 9
Warning: Make sure the DNPConfig Tool is closed after a mapping has been edited. If the Tool is left open while the Automatic Data Retriaval feature is running it may attempt to update a mapping file that is already open in the Tool. This will either cause the read
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operation to fail or result in a situation where the newly read file differs from the file open within the Tool.
11.2 OPERATION OF DNPCONFIG To start the DNPConfig Tool selects ‘Tools – DNP3.0 Index Configration’ from the FTUMan menu. When you run the DNPConfig Tool, main screen is displayed as show in following figure. There are 4 tabbed pages, Binaty Input, Binary Output, Analog Input and Counter, in the DNPConfig Tool.
Figure 11-2 Main Screen of DNPConfig
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The DNPConfig tool allows the user to build custom mapplings to suit their own application. Points are added by selecting a row in PID Columns on one of the tabbed pages then double clicking point from the Configuration Tool Box or entering index number in configuration tool box defined. Points are deleted by selecting a row and pressing ‘Delete’ on the keyboard or entering ‘0’. The PID Number ‘0’ means is not used anymore. You can choose to either shift all the rows below up one, or leave the entire row blank. The DNPConfig tool allows the following. 9
Up to 128 Binary Input
9
Up to 32 Binary Output
9
Up to 512 Analog Input
9
Up to 128 Counter
9 11.3.1 MENU The File Menu has the following options. New
Closes the current file and allows the creation of a new file
Open
Closes the current file and opens a standard window file selection dialog. An existing DNP File (*.d3m) can be selected and opened.
Save
Saves the current file to the hard drive. If the file is new and this is the first time it has been saved, the Save As dialog will be opened allowing the user to type in a name before saving.
Save As
Opens a standard Windows Save As dialog box. This allows an existing file to be saved under a new name.
Exit
Closes the current file and exits the tool.
The Comm Menu is explained in the Section 9.2.1.2 Comm. The View Menu is explained in the Section 9.2.1.5 View. The Help Menu opens a window for DNPConfig’s program version and information.
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11.3.2 TOOLBAR
Figure 11-3 Toolbar of DNPConfig Tool
Shows or hides a window the DNP3.0 Configuration tool box.
Upload
Read input or ouput data from FTU-R200.
Download
Write input or ouput data to FTU-R200.
About
Opens a window for DNPConfig’s program version and information.
Pressing Upload or Download button, the follwing window appears. This window determines the types of data read or write.
Figure 11-4 Select Widow
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11.3.3 CONFIGURATION TOOL BOX The configutation tool box panel is launched by clicking the Tool button.
Figure 11-5 Configuration Tool Box The toolbox contains every available point for FTU-R200. The toolbox displays different points depends on which tab selected. For example, if the Counters tab is selected then only accumulators will be displayed on the list.
11.3.4 BINARY INPUT
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Binary inputs are used to report the status of binary points.
Figure 11-6 Binary Input Tab
Index
Specifies the DNP ID Number of the point Range : 0 to 127
PID
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Specifies number as defiend in the configuration tool box.
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Recloser controller FTU- R200 The PID Number’s ‘0’ meaning is not used anymore. Range : 0 to 59
Name
The name of the points as defiend in the configuration tool box. This field can be changed in two ways: 9
Selecting the cell then double clicking a point in the configuration tool box.
9 Class 0~3
Entering PID number as defiend in configuration tool box.
The DNP3.0 class of the point. The default class can be modified by checking from the checkbox.
COS
Select event type, COS(Change of state) or SOE(Sequence of Events)
Invert
Specifies whether the point will be inverted. If the point is inverted it will be transmitted when the condition is false than true.
9
DNP3.0 Classes
There are four classes in DNP3.0. These are defined as follows: 0
Class 0 is not an event class. It is used when reporting current (static) data values and not changes of state events. Note: Setting a point to Class 0 will prevent the controller’s protocol handler from reporting change of state events for that point to the master station. The point still remains accessible through static data polls.
1
Class 1 used to report high priority events. Events in this class take precedence.
2
Class 2 used to report medium priority events.
3
Class 3 used to report low priority events.
11.3.5 BINARY OUTPUT Binary Outputs are used to perform operations on the Recloser device and change setting.
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Figure 11-7 Binary Output Tab Index
Specifies the DNP ID Number of the point Range : 0 to 31
PID
Specifies number as defiend in the configuration tool box. The PID Number ‘0’ means is not used anymore. Range : 0 to 10
Name
The name of the points as defiend in the configuration tool box. This field can be changed in two ways: 9
Selecting the cell then double clicking a point in the configuration tool box.
9
Entering PID number as defiend in configuration tool box.
11.3.6 ANALOG INPUT
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Analog Points are used to transmit analog data such as line currents, voltages and contact life. Analog intputs are created by adding points as required, then modifying the parameters from defaults if necessary.
Figure 11-8 Analog Input Tab
Index
Specifies the DNP ID Number of the point Range : 0 to 511
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Recloser controller FTU- R200 Specifies number as defiend in the configuration tool box. The PID Number ‘0’ means is not used anymore. Range : 0 to 331
Name
The name of the points as defiend in the configuration tool box. This field can be changed in two ways: 9
Selecting the cell then double clicking a point in the configuration tool box.
9 Class 0~3
Entering PID number as defiend in configuration tool box.
The DNP3.0 class of the point. The default class can be modified by checking from the checkbox.
COS
Select event type, COS(Change of state) or SOE(Sequence of Events)
Scale
The scale is used to multiply the reported analog value by the amount enterd. For example, scaling the Ia RMS value by a multiple of ten will change the reported value from zero decimal points to one decimal point (i.e:9 to 9.0) Default Value: 1, Range: 1,10,100,1000
Deadband
Display the deadband value for the point. The analog point value must change by more than the deadband amount before it is reported.
11.3.7 COUNTER Counters are used to count data and events such as Trips, Protection Pickups, Faults and Accumulated kWh.
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Figure 11-9 Counter Tab
Index
Specifies the DNP ID Number of the point Range : 0 to 127
PID
Specifies number as defiend in the configuration tool box. The PID Number’s ‘0’ means are not used anymore.
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Range : 0 to 66
Recloser controller FTU- R200
The name of the points as defiend in the configuration tool box. This field can be changed in two ways: 9
Selecting the cell then double clicking a point in the configuration tool box.
9 Class 0~3
Entering PID number as defiend in configuration tool box.
The DNP3.0 class of the point. The default class can be modified by checking from the checkbox.
COS
12
Select event type, COS(Change of state) or SOE(Sequence of Events)
WAVEFORM EVALUATION TOOL
12.1 OVERVIEW The Waveform data upload from FTU-R200 through the above setting program are analyzed in this evaluation tool. Graphs of currents/voltages and operation of protection elements are displayed, and instantaneous/RMS current and voltage values, phase angles and time information
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at tracker position are presented. If 2 trackter one is moving with left mouse button and the other with right mouse button are used, time difference between two points is presented and it becomes the ruler for correct operation of protection element as setting. And, harmonics up to 31st and THD (Total Harmonic Distortion) also show up. Recorded waveforms can be uploaded to FTUMan in local site. After uploading stored to the COMTRADE file format. These waveform data saved as COMTRADE file format and compatible with other analyzing tool. 9
COMTRADE file Comtrade (COMmon format for Transient Data Exchange for power systems) is a file
format for oscilloscops data. It is used by many leading coñpanies for the oscilloscops used in high voltage substations. It has been standardised by the IEEE.
Figure 1212-1 Overview of EvalTool
12.2 OPERATION OF EVALTOOL To start the EvalTool selects ‘Tools – Waveform Evaluation Tool’ from the FTUMan menu. The tool has meter view and scroll view for graph.
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Figure 12-2 Main Screen of EvalTool 12.2.1 MENU The File Menu has the following options. Open
Closes the current file and opens a standard window file selection dialog. An existing Data File (*.dat) can be selected and opened.
Exit
Closes the current file and exits the tool.
The Option Menu has the following options. Graph
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Opens analog and digital graph select window..
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Figure 12-3 Graph Select Window Harmonic
Open a window for voltage and current harmonics.
Fiqure 12-4 Haramonic List Window Move
Change the position of the screen.
Zoom
The screen to yellow line center to shrink or enlarge the size.
The Help Menu opens a window for EvalTool’s program version and information.
12.2.2 TOOLBAR
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Figure 12-5 Toolbar of EvalTool Graph
Show the entire graph
Harmonic List
Check the harmonic list
Move-First
Move to the beginning graph
Move-Double left
Show the prior 2-step
Move-Left
Show the prior 1-step
Move-Right
Show the posterior 1-step
Move-Double right
Show the posterior 2-step
Move-End
Move to the last graph
Zoom In
Enlarged image
Zoom out
Shirink image
Zoom All
Enlarge all image
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