P821 (50 62 Tie CB) Test Report Rev 1

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

P821

Bay Ref: Substation: REVISION PAGES 0 1

SUMMARY 1

PURPOSE OF TESTS

2

X

2

REFERENCE DOCUMENT

2

X

3

SCOPE

2

X

4

RELAY TERMINLOGY

3

X

5

TEST EQUIPMENT

3

X

6

PRE-REQUISTES

3

X

7

PROCEDURES

4

X

8

RECORD TEST SHEET

6

X

8.1 RELAY INFORMATION 8.2 CT DATA: 8.3 PRODUCT CHECKS 8.4 MEASURMENT VALUE TEST: 8.5 BREAKER FAIL PROTECTION: 8.6 BINARY INPUT TEST : 8.7 BINARY OUTPUT TEST: 8.8 FIXED LED INDICATIONS TEST: 8.9 LED INDICATIONS TEST: 8.10

FINAL CHECK

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P821 1

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

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PURPOSE OF TESTS

The purpose of the tests is to check the full functionality of the protection relay. This procedure does not intend to check that all alarms and trips are correctly sent to the DCS or SCADA level. This part is already developed into dedicated DCS or SCADA Commissioning procedures. This procedure does not intend to check all tripping matrix and PSL logic tests, this, when applicable, are described into a separate document, dedicated to the specific substation and feeder type. 2

REFERENCE DOCUMENTS DOCUMENT REFERENCE

DOCUMENT

VERSION/ DATE

REMARKS

Protection Line Diagram Schematic Drawing Service Manual Operation Manual Protection Relay Coordination Principles Relay setting Calculation LED Display Configuration

3

SCOPE

Substation Name :Diameter: Bay : Panel Number : Relay Denomination in Scheme Scheme to be Checked

Relay Functionality Test.

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P821 4

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TERMINOLOGY

Code ( ANSI) 50/62

5

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

Terminology Breaker Fail Protection Including BF timers.

TEST EQUIPMENT USED

Sl No 1.

Description

Make

Equipment Sl No.

Calibration date

2.

Secondary Injection Kit Multimeter

3.

Laptop

NA

Setting software

Type : MICOM S1 Studio Version : 2.14

6

Calibration due date

PRE - REQUISITES PRE-REQUISITES

REMARKS

All Safety Condition Are Ok All Competent Personnel Available For The Test Ac & Dc Supply Availability And Security PPE Safety Available. All Other Relevant Safety Instructions Been Followed Coordination With Other Parties ( GIS, Transformer, Etc..)

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

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TEST PROCEDURES The following procedures are written for demonstrating the main protection functions of the P821 relay using an Omicron test set or similar. The tests do not test the boundaries of all available function characteristics. They do test that the function is operating at a point on one chosen characteristic. This document is to be referred to when performing commissioning tests in association with the commissioning section of the service manual.

NOTE : All the Test are performed in the Test Switch. Omicron CMC156 Test Equipment or Any Equivalent To Be Used ..

7.1 Testing the "CB Failure protection" function 7.1.1 MiCOM P821 relay parameters Note the settings of the MiCOM P821 relays are by default the following:  I>BF = 0,10 In  Delay stage 1 = tBF1 = 100ms thus retrip after 100ms*  Delay stage 2 = tBF2 = 200ms Also **  Output Relay operation (RL1, 2 and 3) if programmed (phase A, B and C)  Output Relay operation (RL4) if programmed (Backtrip) * The time delay does not take into account the opto-coupler input filtering and processing (which is 20 ms ± 1 ms.) **This Output Relays are programmed for testing purpose only after test completion , Actual Programming of utput relays to checked. . 7.1.2 I>BF check 1. Energise a trip order input (A, then B, then C, then 3 phase) 2. Gradually inject the current into the 3 phases up to the stage value: retripping of the tripped phase (A, then B, then C, then A, B and C) should occur for a current equal to the stage (I>BF) to within ±2% followed by the backtrip Action check: 1. Appearance of an alarm message on the display 2. Flashing of the “Alarm” LED 3. Illumination of the “Trip” LED if tripping is programmed AREVA T&D

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4. Illumination of the LEDs associated with instantaneous information 50BF 5. Output Relay operation (RL1, 2 and 3) if programmed (phase A, B and C) 6. Output Relay operation (RL4) if programmed (Backtrip) 7.1.3 Timer Check tBF1 and not tBF2 1. Inject the current 1,00 In into the 3 phases 2. Energise the trip order input 3. After tBF2 cut the current injection, the retrip of the tripped phase (A or B or C) should occur at tBF1+20ms and no backtrip shall follow Action check: 1. Appearance of an alarm message on the display 2. Flashing of the “Alarm” LED 3. Illumination of the “Trip” LED if tripping is programmed 4. Illumination of the LEDs associated with instantaneous information 50BF 5. Output Relay operation (RL1, 2 and 3) if programmed (phase A, B and C) 6. Output Relay operation (RL4) if programmed (Backtrip) 7.1.4 Timers tBF1 and tBF2 1. Inject the current 1,00 In into the 3 phases 2. Energise the trip order input 3. After tBF2 + 10ms (or more) cut the current injection, the retrip of the tripped phase (A or B or C) should occur at tBF1+20ms and followed by the backtrip at tBF2+20ms Action check: 1. Appearance of an alarm message on the display 2. Flashing of the “Alarm” LED 3. Illumination of the “Trip” LED if tripping is programmed 4. Illumination of the LEDs associated with instantaneous information 50BF 5. Output Relay operation (RL1, 2 and 3) if programmed (phase A, B and C) 6. Output Relay operation (RL4) if programmed (Backtrip)

7.2 Testing of Binary Inputs : This test checks that all the opto-isolated inputs on the relay are functioning correctly. (5 opto-isolated inputs for the P821). AREVA T&D

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

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The opto-isolated inputs should be energized one at a time. Ensuring correct polarity, connect the auxiliary voltage to the appropriate terminals for the input being tested. The line "INPUTS" in the "OP. PARAMETERS" menu gives the state of each input, a '1' indicating an energized input and a '0' indicating a de-energized input. When each input is energized one of the digits on the bottom line of the display will change to indicate the new state of the inputs. 7.3 Testing of Binary Output’s : This test checks that all the output relays are functioning correctly. (8 output relays for the P821).The output relays should be energised one at a time. Connect a continuity tester across the terminals corresponding to output relay 1 . In the following window in the "Relay Satus" sub-menu of the "OP PARAMETERS" menu: Relay 8 7 6 5 4 3 2 1 Status 0 0 0 0 0 0 0 1 Repeat the test for each relay. Operation will be confirmed by the continuity tester operating for a normally open contact and ceasing to operate for a normally closed contact. NOTE: It should be ensured that thermal ratings of anything connected to the output relays during the test procedure is not exceeded by the associated output relay being operated for too long. It is therefore advised that the time between application and removal of relay testing kept to the minimum. If the Outputs are assigned for function this will be tested along with Functional test of relays.

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

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RECORD TEST SHEET

8.1 RELAY INFORMATION Type No.:

Designation :

P821

Nominal Current :

Model No : Serial Number Firmware Version :

Nominal Voltage` : Aux. Volts :

8.2 CT & VT DATA: CTs

CT rated primary current set as CT rated secondary current set as Rated primary voltage (L-L) set as Rated secondary voltage (L-L) set as

8.3 PRODUCT CHECKS Relay damaged? Rating information correct for installation? Case earth installed? External wiring checked against diagram? Test block connections checked? Measured auxiliary supply LCD front panel display Clock set to local time? Time maintained when aux. supply removed? 8.4 MEASURMENT VALUE TEST: Current Measurement Current Phase injected injected (Amps) PH-N

V dc

Current read on relay display (A) IR

IY

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

P821 L1-E

1.0

L2-E

1.0

0

L3-E

1.0

0

L1-L2-L3

1.0

Bay Ref: Substation: 0

0 0

0 0

8.5 BREAKER FAIL PROTECTION: 8.5.1 Sensitivity Check Phase I> Setting

Pickup Current

R Y B N 8.5.2 BF Timers Check Phase Time Setting Stage 1 R 100 ms

Measured Time Stage 1

Time Setting Stage 2 200 ms

Y

100 ms

200 ms

B

100 ms

200 ms

N

100 ms

200 ms

8.6 BINARY INPUT TEST : Input No. Terminal No.

Active

Function Assigned

1

22-24

High

SPARE*

2

26-28

High

SPARE*

3

17-19

High

CB QA31 BFI 3-PH

4

21-23

High

NOT USED**

5

25-27

High

NOT USED**

Measured Time Stage 2

sheet

Result

* SPARE: wired up to terminal blocks. ** NOT USED: Not wired. AREVA T&D

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8.7 BINARY OUTPUT TEST: Output No.

Terminal No.

Type

2-6

NO

2-4

NC

8-12

NO

8-10

NC

3

14-16

NO

4

18-20

NO

5

1-3

NO

6

5-7

NO

7

9-11

NO

8

13-15

NO

1

2

Function Assigned (Aux relay operated)

sheet

Result

* SPARE: wired up to terminal blocks. ** NOT USED: Not wired. 8.8 FIXED LED INDICATIONS TEST: LED No. LED Label

Color

1

Trip

Red

2

Alarm

Yellow

3

Warning

Yellow

4

healthy

Green

8.9 LED INDICATIONS TEST: ( LEFT SIDE LED) LED No. LED Label 1

Color

Result

Result

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Site Acceptance Test Report MiCOM P821 50/62 (QA31)

P821

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8.10 Item

FINAL CHECKS Description

Result

1

All test equipment, leads, shorts and test block removed safely?

2

Disturbed customer wiring re-checked?

3

All commissioning tests disabled?

4

Circuit breaker operations counter reset?

5

Current counters reset?

6

Event records reset?

7

Fault records reset?

8

Disturbance records reset?

9

Alarms reset?

10

LEDs reset?

11

Secondary front cover replaced? (If applicable)

REMARKS ……………………………………………………………………………………………………………… END OF REPORT

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