Application Guide 2003 4

APPLICATION GUIDE

This application guide is intended to illustrate the extensive range of application and schemes to which our products and systems can be applied. For ease of use typical schemes have been provided to cover the standard voltage ranges. Our company specialises in customised applications and we have a dedicated team of senior applications engineers who can provide solutions for any voltage in the power system network. The voltage levels indicated in this guide are as follows:i) ii) iii)

LV typically less than 1kV MV typically 1kV to 132kV – Distribution HV typically 132kV and above – Transmission

Busbar Protection Some general considerations to be taken into account when establishing the optimum protection • • • • • •

Busbar configuration Cost Protection redundancy requirements Phase/earth fault scheme or phase/earth and phase/phase scheme Speed and sensitivity Existing c.t. characteristic for retrofit projects

APPLICATION GUIDE

Overcurrent protection - blocking principle, distribution networks, single source.

ANSI No 51 51N 50CBF S1 51 51N 50CBF BS

Function Three-phase time delayed overcurrent Time delayed earth fault Circuit breaker fail Blocking signal status input Three-phase time delay overcurrent Time delay earth fault Circuit breaker fail Blocking signal output (e.g low set o/c e.f)

Reyrolle Relay Argus 1 – (3P+E) AG1-(411-412)

Argus 1 – (3P+E) AG1-(411-412))

1

Directional overcurrent protection - Blocking principle, distribution networks, parallel source

ANSI No

Function

Reyrolle Relay

67 67N 50CBF SI 67 67N 50CBF BS

Bi-directional three-phase time delayed overcurrent Bi-directional time delayed earth fault Circuit breaker fail Blocking signal status input Directional three-phase time delayed overcurrent Directional time delayed earth fault Circuit breaker fail Blocking signal output (eg low set o/c and e.f)

Argus 2 – (3P+E) AG2-(411-412)

Argus 2 – (3P+E) AG2-(411-412)

High impedance busbar differential protection - Single busbar, two zone, phase/phase & phase/earth fault scheme, with overall check zone

ANSI No 87H-1 87H-2 87H-CH

Function Differential using circulating current principle with CT supervision – main zone 1 Differential using circulating current principle with CT supervision – main zone 2 Differential using circulating current principle with CT supervision – check zone

Reyrolle Relay

DAD

3

High impedance busbar differential protection - Mesh corner, duplicate phase fault scheme with C.T supervision

ANSI No

Function

87H

Differential using circulating current principle with C.T supervision - Main 1

87H

Differential using circulating current principle - Main 2

Reyrolle Relay

DAD B3

Function

Description

ANSI Ref

Case Availability Modular Vedette

Other

Busbar protection and circuit breaker fail schemes Differential Electronic high speed, high/medium impedance circulating current principle with excellent harmonic rejection, includes current transformer supervision. 87 DAD CT Shorting High speed multi-contact relay, hand reset contacts 86 TR221 Leakage to frame Attracted armature relay with a fixed current setting. Normally connected to a C.T. placed between the switchgear frame and earth. A check system is possible 64N MR111 Busbar prot'n for distribution Blocking scheme using the feeder overcurrent and earth fault protection. 87 Argus Interlocked overcurrent Relay for discriminative clearance of blind spot faults, actioned by a main protection contact (DTL) 51 2DAB 51 Argus Circuit Breaker fail Electronic relay with phase segregated inputs and outputs. Internal interface system permits factory set output options of up to 9 output contacts. Features a low overshoot and a particularly wide range of settings. Integrated timer. 50 Intergrated in multi-function relay D.C. Supervision

Trip

Low burden attracted armature relays Self reset reverse flag As above with hand reset flag Trip supply supervision incorporated in Argus multi function relay High speed multi-contact hand reset trip relay

2DAB Argus

27 XR152 XR153 Argus

86

TR221

Time delay Range of electronic high accuracy time delay relays 2 DDB Low impedance Numerical protection system providing percentage differential protection, differential protection and undervoltage monitoring. High speed operation. Fully self supervised. 87

DRS-BB

5

Feeder Protection Some general considerations to be taken into account when establishing the optimum protection:– • • • • • •

Method of system earthing Type of load System requirements (eg fault clearance time) Existing protection Protection redundancy requirements Cost of protection relative to degree of security required

Cable feeders, radial or ring feed, high security.

ANSI No 51 51N 87F

Function Three-phase time delayed overcurrent Time delayed earth fault Pilot wire differential

Reyrolle Relay Argus 1 – (3P+E) AG1 -(401-402) Solkor Rf

Note: Pilotwire supervision, intertripping and guard relays can be added to Solkor-Rf scheme as required. Alternatively Solkor-N may be used with fibre optic or RS485 communication link, or Solkor-M for 4-wire VF circuit.

Cable feeder, ring main

Note:

ANSI No

Function

Reyrolle Relay

51 51N 67 67N

Three-phase time delay overcurrent Time delayed earth fault Bi-Directional three-phase time delayed overcurrent Bi-Directional time delayed earth fault

Argus 1 – (3P+E) AG1-(401-402) Argus 2 – (3P+E) AG2-(411-430)

Argus 2 relays have independent settings for forward and reverse directions. Where distances permit blocking connections can be added.

7

Overhead line feeder with auto-reclosing circuit breaker

ANSI No

Function

51

Three-phase time delayed & instantaneous overcurrent

51N 79

Time delayed & instantaneous earth fault Auto reclose

Reyrolle Relay

Argus 4 – (3P+E) AG4-(401-404)

Overhead line feeder with single main protection, high security

Communication Channel-CCITT M1020 Standard 4 wire voice frequency (Option of digital interface)

ANSI No 51 51N 87CD

Function Three-phase time delayed overcurrent Time delayed earth fault Current differential

Reyrolle Relay Argus 1 – (3P+E) AG1-(401-402) Solkor M SK2-(101-203)

9

Overhead line feeder with duplicate main protection

Communication Channel-CCITT M1020 Standard 4 wire voice frequency (Option of digital interface) Ohmega communications channel is optional

ANSI No 51 51N 87CD 21 79 25

Function Three-phase time delayed overcurrent Time delayed earth fault Phase comparison current differential Distance protection scheme Autoreclose Check synchronising

Reyrolle Relay Argus 1 – (3P+E) AG1 – (401-402) Microphase-FM MF1 - (101-203) Ohmega Argus 7 AG7-(101-102)

Function

ANSI Ref

Description

Case Availability Modular Vedette

Other

Feeder protection Distance

Numeric full scheme distance protection relay with selectable functions for complete flexibility. Upto 4 zones of protection with different operating times for distribution and transmission voltage applications. Additional features include logic programming, waveform and event recording and remote communications. 21

Ohmega range

Numeric Current Differential Multi-microprocessor relays providing unit protection using software derived positive and negative phase sequence components. V.T. not required. Manual or automatic delay compensation, continuous supervision of communications link. Integral fault data storage. 87

Microphase-FM

Multi-microprocessor relays providing unit protection using the Solkor principle derived in software. V.T. not required. Manual or automatic delay compensation, continuous supervision of communications link. Integral fault data storage. 87

Solkor-M

Numeric phase segregated differential protection for use with fibre optic or RS485 communication. Integrated supervision, intertripping and guard functions 87

Solkor-N

Overcurrent and/or earth fault Electro-mechanical relays:

Instantaneous fixed setting Instantaneous variable setting

50/51

MR111 MR112

Numeric with selected DTL, NI, VI, EI, LTEF characteristics. Two integral highset functions, IDMT/DTL instantaneous or delayed reset. Waveform storage of last 5 faults and time-tagged storage of 500 events. Ammeter display can be set to read primary amps. Integral condition based circuit breaker maintenance data. 50/51/87

Delta 1

Ditto with bi-directional control of all measuring elements 67/67N/87 Delta 2 Integrated protection and auto reclose, three or four pole, with individual auto reclose sequence for the OC, EF and EF / SEF functions. Optional integral directional control available. 50/51/87/67 Argus 4 / 6 Delta Restricted earth fault Electro-mechanical high impedance circulating current principle, setting increases for harmonics and has a integral metrosil.

87

5B3

Numeric, with high harmonic rejection ratio.

87

Argus 1 Delta

Sensitive earth fault Numeric with excellent harmonic rejection and integral time delay. 50

Auto reclose

Check synchronising

Overload

Argus 1 Delta Numeric for three pole autoreclose schemes. Multi-shot, integrated with IDMT and EF / SEF protection 79

Argus 4 Delta

25

Argus 7

Numeric with independent check & system sync settings

Numeric thermal overload 49

Pilot wire

Rho 3 Delta Circulating current principle, high speed operation, 2000 ohms pilot loop. Up to 5kV or 15kV with isolating transformers, pilot insulation levels.

87 Pilot wire supervision Pilot supervision for Solkor-R (5kV) and Solkor-Rf pilot wire protection schemes

Solkor-R / Rf

part of 85 Solkor supervision Guard relay Instantaneous OC & EF B69 Pilot wire intertrip For use with Solkor-R installations where sufficient fault current will be present during the intertrip operation. 50

5kV 5kV AR101T AR101T A.C. injection intertripping schemes to use Solkor-R or Solkor-Rf pilot wire link. Slightly different equipment is required for each state if Solkor-R or Rf. Not suitable for use with pilot supervision TEC

Inverter

11

Function

ANSI Ref

Description

Intertripping

Case Availability Modular Vedette

85

Other

TEC

Intertrip send relay for pulse or continuous intertrip 5kV and 15 kV pilot insulation models Surgeproof intertrip receive relay for up to 500 V rms across pilot cores

GF3

Surgeproof intertrip relay for up to 5kV rms across pilot cores

BD

Pilot supervision relay for intertrip pilots with 15kV insulation (uses the send unit of Solkor supervision)

15kV CF2

Intertrip send relay complying with ESI 48-4 Class ESI

XR101

Intertrip receive relay complying with ES141-15 Part 5 (1988) Interposing control For use over pilot wires of up to 200 ohms, and not susceptible to certain ac voltages A) Without flag indication B) With flag indication Neutral displacement Numeric relay with variable settings and time delay

59

Undervoltage

27

XR102

XR105 XR106

Argus 8

Electro-mechanical: Fixed setting Adjustable setting Numeric Overvoltage

VR121/22 VR123 Argus 8 59

Electronic-mechanical:

Fixed setting Adjustable setting

Numeric

VR115/16 VR117 Argus 8

Voltage monitoring Electro mechanical suitable for Mesh Corner to NGC Specification Fault detection indication Earth fault passage indication for cable circuits.

BD

B68

FIND

XR105 XR106

Motor Protection Some general considerations to be taken into account when establishing the optimum protection:• • • • •

Importance of the drive circuit (i.e. duty cycle) Cost (implications of downtime, motor rewind, etc) Operating environment Plant requirements Motor rating and cost

LV motor circuit controlled by a fuse-switch or contactor – motor rating typically up to 75kW

* Core balance c.t. recommended ANSI No 46 49 51N

Function Negative phase sequence overcurrent Three-phase thermal overload Time delayed earth fault LV

Reyrolle Relay Rho 0 RH0 – (101-108)

Motor controlled by a fuse-switch or contactor – ratings typically above 75kW

* Core balance c.t. recommended

13 ANSI No 46 49 48 51N

Function Negative phase sequence overcurrent Three-phase thermal overload Locked rotor / stalling Time delayed earth fault

Reyrolle Relay

Rho 0 RH0 – (101-108)

Motor controlled by a circuit breaker – ratings typically above 75kW to 1MW asynchronous motor, direct on line start

* Core balance c.t. recommended ANSI No

Function

46

Negative phase sequence overcurrent

49

Three-phase thermal overload

48

Locked rotor / stalling

50

Three-phase instantaneous overcurrent

50N

Reyrolle Relay

Rho 3 RH3 – (101 –112)

Instantaneous earth fault

Motor / transformer circuit controlled by a circuit breaker, typically 500kW

* Core balance c.t. recommended ANSI No 46 49 48 50 37 30 50N 51N

Function Negative phase sequence overcurrent Three-phase thermal overload Locked rotor / stalling Three-phase instantaneous overcurrent Undercurrent Thermal pre-alarm Instantaneous earth fault Time delayed earth fault

Reyrolle Relay

Rho 3 RH3 – (101-112)

Argus 1 – (1P EF) AG1 – (101-102)

Motor controlled by a circuit breaker – ratings typically above 1MW

* Core balance c.t. recommended

ANSI No 46 49 48 50 37 30 50N 87M

Function

Reyrolle Relay

Negative phase sequence overcurrent Three-phase thermal overload Locked rotor / stalling Three-phase instantaneous overcurrent Undercurrent Thermal pre-alarm Instantaneous earth fault Three-phase differential

Rho 3 RH3 – (101-112)

3 X Argus 1 – (1P SEF) AG1 – (103-104)#

# Employed as 3-phase high impedance differential

Function

Description

ANSI Ref

Case Availability Modular Vedette

Other

Motor Protection LV motor protection Integrated numeric LV motor protection with a large number of functions including thermal overload, earth fault, short circuit and under/over voltage 44 Rho 0 46 48 49 50 27/59 HV motor protection Integrated numeric HV motor protection with a large number of functions including thermal overload, earth fault, short circuit and stall protection 46 66 48 49 50

Rho 3

27/59

Argus 8

87

5B3 Argus 1

Over/undervoltage Numeric with programmable time delay

Differential High impedance principle

15

Generator Protection Some general considerations to be taken into account when establishing the optimum protection:– • • • • • •

Mode of operation (i.e single or parallel running) Type of duty (i.e base load, emergency supply, standby duty) Direct connected to a substation busbar or via generator transformer Method of system earthing Protection redundancy required Generator rating and cost

Direct connected generator, low impedance earthing, rating typically 2MW. Base load generation in parallel with grid network.

ANSI No 27UV 81 59 32R 50N 51V 81R 60FL 51N 51 51N

Function Undervoltage Over / under frequency Overvoltage Reverse power Instantaneous earth fault Three-phase time delayed overcurrent with voltage restraint Rate of change of frequency Voltage transformer supervision Time delayed earth fault (neutral end) Three-phase time delayed overcurrent (line end) Time delayed earth fault (line end)

Reyrolle Relay

Gamma 4 GM4 - (401-412)

Argus 1 – (3P+E) AG1 - (401-402)

Direct connected generator, high impedance earthing, rating typically 15MW. Base load generation in parallel with grid network.

ANSI No 27UV 81 59 40 46 87G 32R 59N 51V 60FL 51 51N

Function Undervoltage Over / under frequency Overvoltage Loss of field Negative phase sequence overcurrent Generator biased differential Reverse power Stator earth fault (95% winding protected) Three-phase time delayed overcurrent with voltage restraint Voltage transformer supervision Three-phase time delayed overcurrent (line end) Time delayed earth fault (line end)

Reyrolle Relay

Gamma 4 GM4-(201-212)

Argus 1 - 3P+E AG1-(401-402)

17

Isolated generator transformer, high impedance earthing, rating typically 50MW and above. Base load generation in parallel with grid network

ANSI No 27UV 81 59 50/27 50CBF 24 46 40 87G 32R 21 60FL 59N 27TN 51 51N 87T 64REF WTA, WTT PT BG/BT

Function Undervoltage Over /underfrequency Overvoltage Inadvertent energising Circuit breaker failure Overexcitation V /Hz Negative phase sequence overcurrent Loss of field Generator biased differential Reverse power Phase distance Voltage transformer supervision Stator earth (95% of winding protected) Startor earth fault (100% of winding protected) Three-phase time delayed overcurrent (line end) Time delay earth fault (line end) Transformer biased differential Restricted earth fault Winding temperature alarm and trip status inputs Pressure relief device trip status input Buchholz alarm and trip status inputs

Reyrolle Relay

Gamma 4 GM4 – (401-412)

Argus 1 – (3P + E) AG1 – (401-102) Duobias M 2 Wdg, 50Hz

Function

Description

ANSI Ref

Case Availability Modular Vedette

Other

Generator Protection Numeric generator Suitable for protection of a variety of machines down to 1MW this relay can be purchased as minimum protection base system and built up with the addition of function modules into a more protection functionally comprehensive protection package. Comprehensive generator protection system suitable for use on all machine sizes. Dual CT inputs in a standard 19” rack mounting design. Gamma 4 Range Differential ( unit or transformer ) High impedance principle with voltage setting for generator or generator transformer Numeric current differential, features include data storage

87 87

5B3 Argus

Duobias-M

Overcurrent & earth fault Numeric multi-function, multi-characteristic, including ammeter display, waveform storage, event recording, comms link etc. 50/51

Argus 1 Delta

50

5B3 Argus 1 Delta

Restricted earth fault High impedance principle

Sensitive earth fault Numeric with wide setting ranges, excellent harmonic rejection and integral time delay 50

Argus 1 Delta

27 / 59

Argus 8

Over/undervoltage Numeric with programmable time delay

Neutral Displacement Numeric with 2 settings Argus 8 Over/underfrequency Numeric with programmable time delay 81

Argus 8

19

Transformer Protection Some general considerations to be taken into account when establishing the optimum protection: • • • • •

Mode of operation (i.e parallel or single operation) Method of system earthing Transformer rating and cost Importance of high-speed fault clearance HV and LV switching devices (i.e c.b, fuse switch, or isolator)

Transformer controlled by a fuse-switch or contactor, eg ratings up to 1MVA Transformer type – dry

ANSI No 51 51N 51N

Function Three-phase time delayed overcurrent Time delayed earth fault HV Time delayed earth fault LV

Reyrolle Relay Argus 1 – (3P+E) AG1-(401-402) Argus 1 – (1P+EF) AG-(101-102)

Transformer controlled by a circuit breaker, typically 800kVA to 2MVA. Transformer type – oil filled, sealed (with pressure sensor) or with conservator.

ANSI No 51 50 51N WTA, WTT PT 64REF 51N

Function Three-phase time delayed overcurrent Three-phase instantaneous high-set overcurrent Time delayed earth fault HV Winding temperature alarm and trip status inputs Pressure relief device trip status input Restricted earth fault LV Time delayed earth fault LV

Reyrolle Relay Argus 1 – (3P+E) AG1-(411-412)

Argus 1 – (2P+E+REF) AG1-(403-404)

21

Two winding, transformer controlled by a circuit breaker, typically above 2MVA. Transformer type-oil filled with conservator.

ANSI No

Function

Reyrolle Relay

51 51N 51 50 51N 90 87BD WTA,WTT PT BG,BT 64REF 25

Three-phase time delayed overcurrent LV Time delayed earth fault LV Three phase time delayed overcurrent HV Three phase instantaneous high-set overcurrent HV Time delayed earth fault HV Automatic voltage control Bias Differential Winding temperature alarm and trip status inputs Pressure relief device trip status input Buchholz alarm and trip status inputs Restricted earth fault LV Check & system synchronising

Argus 1 - (3P + 3) AG1 – (401-402) Argus 1 - (3P + E) AG1 – (401-402) SuperTAPP/MicroTAPP Duobias M 2 Wdg

Argus 7

Three winding transformer controlled by a circuit breaker, typically above 2MVA. Transformer type – oil filled with conservator

ANSI No

Function

Reyrolle Relay

51 51N 51 51N 51 50 51N 87BD 64REF 64 REF WTA, WTT PT BG, BT

Three-phase time delayed overcurrent LV1 Time delayed earth fault LV1 Three-phase time delayed overcurrent LV2 Time delayed earth fault LV2 Three-phase time delayed overcurrent HV Three-phase instantaneous high-set overcurrent HV Time delayed earth fault HV Bias differential Restricted earth fault LV1 Restricted earth fault LV2 Winding temperature alarm and trip status inputs Pressure relief device trip status input Buchholz alarm and trip status inputs

Argus 1 – (3P + E) AG1 - (401-402) Argus 1 – (3P + E) AG1 - (401-402) Argus 1 – (3P + E) AG1 - (401-402)

Duobias M 3 Wdg

23

Function

Description

ANSI Ref

Case Availability Modular Vedette

Other

Transformer protection Differential Numeric current differential relay with integral current magnitude and vector compensation setting for 2 or 3 winding transformers. Eliminates interposing CT's and flag relays for most applications. Protection functions are differential, differential highset, and restricted earth fault for HV and LV: also has a data storage facility triggered internally or externally. 87

Duobias-M

Impedance 21 Ohmega Overcurrent & earth fault Argus range of numeric relays with multiple independent characteristics, 2 highest & SEF or REF options, data storage and event logging, comms link, ammeter displays and facilities to produce a condition based CB maintenance regime. Single, three and four pole models

Overload

50/51

Argus 1

49

Rho 3

51

Argus 1

Numeric Thermal Overload

Standby earth fault For resistance earthed systems. Long time characteristic (form 30/5

Restricted earth fault Electro-mechanical relay with low-pass filter circuit which increases the setting at harmonic frequencies 87

5B3

Numeric relays using high impedance principle, with high harmonic rejection ratio.

Argus 1

87

Sensitive earth fault Numeric relay with wide setting ranges, low burden and adjustable time delay. 50

Argus 1

Transformer voltage control Automatic voltage control SuperTAPP solid state control relay of 4u height for mounting with modular relays. Incorporates the patented TAPP circuitry. Requires the 19 rack frame, part RHW19R. 90 RVM/5

Tap change control and monitor unit, includes manual controls, tap position indicator and voltage level monitor. For use in conjunction with the RVM/5 relay both units fit into the 19 rack frame, part RHW19R, to make a single 4u rack tier.

RTMU/1

SuperTAPP solid state relay designed as a direct replacement for AVE relays.

RVM/4

Solid state tap position indicator with digital read-out designed to replace analogue units which use a resistor chain for position sensing.

RTPI/1

Tap position indicator, similar to that above, with intelligent runaway protection.

RTPI/2

Numeric integrated tap change control and monitor unit

MicroTAPP

Function

Description

ANSI Ref

Case Availability Modular Vedette

Other

Control relays Repeat relay 4 or 6 contact relay which can be provided with heavy duty contacts, no flag As above but with a self reset flag

RD26-1 RD26-2

General applications Auto-reclose Single-shot repetitive scheme relay for single and three pole circuit breakers, normally used in conjunction with distance protection. 79 Tau 100/200 range Multi Shot DAR Schemes

Tau 400 range

Schemes to the requirements of NGC Transmission Plant Standards using multi-element relays Tau 500 range Multi-shot schemes, with individual sequence settings, integrated into OC, EF and/or SEF microprocessor based protection

Auxiliary

Argus 4 Delta

A range of voltage operated attracted armature relays with hand, self or electrical reset contacts, various flag and fixed time delay options. AR series

Directional Numeric integrated with feeder protection relay

Check

67

Argus 2

25

Argus 7

Numeric with check and system sync settings synchronising

Flag relays Attracted armature relays with hand reset flag and self reset contacts With fixed time delay With reverse operating flag for undervoltage applications

FR111 FR111T AR121

Ferro-resonance Ferro-resonance detection with the system energised or de-energised XR309 B34 Interposing control Control relays with a.c. rejection for use with pilot wires 52

XR105 XR106

XR105

Lockout relay Send relay with either 5kV or 15kV pilot insulation level 85

TEC

Intertripping Receive relays with either 5kV or 15kV pilot insulation level and: a) Surgeproof to 500V b) Surgeproof to 5kV

85 GF3

GF2 & GF4 BD GF3

Neutral displacement 59 Numeric with programmable time delay

Argus 8

Switching relays Electrical reset relays for general switching Switchgear position follower, 10 contacts, coils to EB2 specification Protection or Auto reclose IN/OUT to CEGB TDM 5/11 Protection unstabilising, to CEGB specification P11

52

AR103 TR901 TR431 TR512

25

Function

Description

ANSI Ref

Case Availability Modular Vedette

Other

Test plugs Modular test unit based upon a size R2 case Modular system, multi-point test plug Modular system, single point test plug

2 RMLG01 RMLB01 RMLB02

Time delay Electronic time delay with models for delay on energisation, delay on reset and delay on de-energisation

Trip relays

2

DDB

86

TR

High speed relays with a choice of burden and type of contact reset

Trip Circuit supervision Basic trip circuit supervision, e.g. BEBS S15 Scheme H4 Self reset flag Hand reset flag Full trip circuit supervision with the circuit breaker open or closed, can also provide pre-close supervision, e.g. BEBS S15 Scheme H7 Self reset flag Hand reset flag D.C. supply supervision

27 XR250 XR251

27 XR350 XR351 27

Self reset flag Hand reset flag

XR152 XR153

Rectifier protection Overcurrent Short Circuit Numeric/microprocessor IDMT, normal inverse for class I rectifiers (light or general industrial duty) or very inverse for class II rectifiers (heavy industrial or light traction duty) 51

Argus 1

Earth fault Numeric/microprocessor IDMT, normal inverse for class I rectifiers (light or general industrial duty) or very inverse for class II rectifiers (heavy industrial or light traction duty) 50/51 Argus 1 High impedance earth fault protection on traction transformers. Solid state with high harmonic rejection ratio 67N Argus 1 Overload

Numeric thermal overload 49

Rho 3

Capacitor bank protection

Overcurrent Numeric with selected DTL, NI, VI, EI, LTI characteristics. Two integral highset functions, IDMTL / DTL instantaneous or delayed reset

Overload

50/51/87

Argus 1

49

Rho 3

Numeric thermal overload

SERVICES

The following services are available by means of written quotation through our Customer Service Department.

Protection Setting studies

System review

• • •

• • •

Design Criteria and protection performance confirmed. Equipment withstand established Full record of data settings, and performance

Benefits include: Production of master protection guide for future references; Confidence in capability of main plant. Assists with analysis following an incident.

Design criteria and performance identified. Solutions for inadequate systems. Report following serious incidents.

Benefits include: Up to date record of the system, weakness identified; security complies with good Health & Safety practice.

Conjunctive Testing Intelligent relay programming • •

Setting parameters optimised through experienced engineers. Stored in software and hard copy.

• • •

Benefits include: A cost effective approach: Accuracy avoids need for reprogramming and re-testing.

Either on site or in the Hamilton Laboratory Effects of harmonic distortion or power systems transients on relay performance can be examined. Waveforms can be supplied

Benefits include: Confidence in relay performance: confidence in scheme performance when carried out in the laboratory reduces site commissioning and outage time.

Commissioning Support • • • •

Highly skilled engineers Test equipment with latest technology Test programmes prepared Supervision for insurance certification

Benefits include: Optimisation of customer resource: Access to commissioning knowledge and high tech equipment to ensure a high degree of security, Independent witness, Full test records produced.

Training • •

•

Products and system design training Application training - standard courses - customer specified/tailored On site or at Reyrolle with access to laboratory test facilities.

Benefits include: Confidence to self manage during plant life; To carry out routine testing and performance assessment following an incident

Design Specification

• •

Highly experienced engineers with knowledge in customs and practice, and also international standards. Optimum designs emphasising on achieving the best results possible Clear specifications of design and alternative options

Benefits include: Optimum security of supply: Minimum plant outage following a fault; damage limitations: latest technology: standards and experience taken into account.

Consultancy • • • •

Assistance with establishing design concepts Risk and Health and Safety Assessment Insurance assessment Optimisation studies

Service Contracts • • •

Maintenance and spares management Emergency support 24 hours a day, 365 days a year Design update with changes in design

SERVICES

•

Emergency Support Transmission distribution or generation plant power system protection • Standby resource for an immediate response • Any protection and control problems • Backed by International technical resource • Support from office base or on site in minimum response time

Benefits include: Optimisation of Customer resources: access to a complete power system design team and a large pool of knowledge.

27

EQUIVALENTS GUIDE

Reyrolle/Alstom comparison table

REYROLLE TYPE

AUXILIARY MVAA11 MVAA14 MVAA11 MVAA13 MVAA11 MVAA13 MVAA21 MVAA21 MVAA21

AUXILIARY AR101 AR103* AR111 AR112 AR131 AR141 AR201 AR211 AR212

TRIPPING MVAJ11 MVAJ13 MVAJ14 MVAJ15 MVAJ21 MVAJ23 MVAJ24 MVAJ25 MVAJ34

TRIPPING TR112 TR121 TR131 TR141 TR212 TR221 TR231 TR241 TR431

SUPERVISION MVAW11 MVAW21 MVAX12 MVAX21 MVAX21 MVAX31 MVAX31

SUPERVISION XR105 XR205 XR152 XR250 XR251 XR350 XR351

MEASURING MCAG11 MCAG12

MEASURING MR111 MR112

FOLLOWER MCAA11 MCAA11 MCAA21 MCAA21

FOLLOWER FR101 FR111 FR211 FR212

TIME DELAYS MVTT14 MVTT14 MVTT15 MVTT15 MVTT15

TIME DELAYS DDB1 DDB5 DDB7 DDB11 DDB12

UNDERVOLTAGE/ OVERVOLTAGE MVAG15 MVAG16 MVAG17 MVAG21 MVAG22

UNDERVOLTAGE/ OVERVOLTAGE VR115 VR116 VR117 VR121 VR122

*Note: AR103 does not have a cut-off contact in the operate coil.

ALSTOM TYPE

REYROLLE TYPE

UNDERVOLTAGE/ OVERVOLTAGE MVAG23 MVTU13 MVAG21 KVFG P920

UNDERVOLTAGE/ OVERVOLTAGE VR123 B37 B68 Argus 8

IDMTL KCGG122 KCGG142 KCGG142 KCEG112 KCEG142 KCEG142 KCGG + KVTR KCEG + KVTR P120 P121/P122 P123 P125 P126 P127 P140

IDMTL Argus 1 Argus 1 Argus 1 Argus 2 Argus 2 Argus 2 Argus 4 Argus 6 Argus 1 Argus 1 Argus 4 Argus 2 Argus 2 Argus 6 Delta

TRANSFORMER KBCH120 KBCH130 P630

TRANSFORMER Doubias-M (2W) Doubias-M (3W)

GENERATOR LPGP111 P340

GENERATOR Gamma 4

FEEDER LFCB102 MHOR4 OPTIMHO LFZR P400

FEEDER Microphase-FM Solkor-RF/M/N Ohmega

MOTOR MCHG MOPN P220

MOTOR Rho 3

OTHERS MFAC14/34 or MCAG14/34 KAVS100 MBCZ KVTL KAVR100/130/159 LFAA MMLG

OTHERS 5B3 DAD Argus 7 DRS-BB IOTA TAU500 TAU502/503 2RMLG

(1P) (3P) (4P) (1P) (3P) (4P)

(IP) (4P) (IP) (4P)

EQUIVALENTS GUIDE

ALSTOM TYPE

51

DELIVERY GUIDE

Product line times

Relay Lead Time Guide for Products with standard ratings, settings and contacts

4 WEEKS

6 WEEKS

8 WEEKS

10 WEEKS

12 WEEKS

20 WEEKS

Alpha range Argus range DDB Reydisp Rho 2RMLG

B68 Sigma Solkor-N Solkor-R/Rf Solkor Supervision 5B3

Delta Duobias Find Iota Microphase-FM MicroTAPP MSCDN Ohmega 300/400 Solkor-M SuperTAPP Tau

BD DAD GF Gamma TEC 2DAB

Solkor Inverter

DRS-BB

DELIVERY GUIDE

These are despatch dates from receipt of a full order to ex-works release for a UK mainland delivery. For FOB delivery add 2 weeks to the printed lead time, for other types of delivery consult our Sales Office.

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