P345 Relay Test Report

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ALSTOM/PRT/RELAYS/P345_Final Setting REV-00 PageGenerator Protection Relays Site Test Report

Manufacturer ALSTOM Consultant SEC-SOA

Equipment MiCOM P345 Contract # 41021031/00

Designation MAIN-1 Contractor ALSTOM

Test date 16-10-2012 PP Name NAJRAAN P/P

Name of Bay GENERAT.N3 REMOTE CONTROL BOARD

FINAL SETTING TEST OF GENERATOR PROTECTION RELAY TYPE: MICOM P345

ALSTOM Grid Najran Power Plant SEC-SOA

Signature

Name LAKSHMANAN PAULRAJ ENGR. MOHAMMED A. ALMAKRAMIDate 16-10-12 16-10-12

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1. RELAY DATA

RATINGS:Current 1/5 A Model No. P345311K3N0360K

Voltage 100-120V AC S. No. 965449T

Frequency 60Hz Software Ref. 360K

2. CHECKS

S. No. on module, case and cover are identical

Relay case connected to a local earth bar

3. WATCHDOG RELAY CHECK

Check status of watchdog contacts as below

TerminalsContact Status

RemarksRelay De- energized Relay Energized

M11-M12 Closed Open OK

M13-M14 Open Closed OK

4. FIELD VOLTAGE

Measure the field voltage across M7 (+) and M9 (-) . 49.19VDC . (Check that the voltage is about 48V DC)

Repeat the test for terminals M8 (+) and M10 (-) 49.21VDC ..

INSTRUMENT NAME: CMC-256

SERIAL NO: CD749G

CALIBRATION DATE: 07-03-13


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5. MECHANICAL CHECKS AND VISUAL INSPECTION:

Sl.no General checks ResultOk (Y/N)1. Inspect for no physical damage. Y

2. Verify the wiring connection as per approved drawing. Y

3. Relay case connected to a local earth bar. Y

4. Confirm ring type lugs are used for CT/VT and DC circuits. Y

5. Power up the relay circuit and check relay is healthy. Y

6. Send the relay setting configuration file to relay through Front RS232communication Port. Y

7. Relay Test ID on front label and the serial number in the displaymatch. Y

6. OPTO-COUPLER STATUS This is to verify the healthiness of the DC Opto inputs.- Apply a rated voltage at each spare binary input and verify the status of the input at Front panel.- Opto Inputs status can be monitored using front LCD System Data .

- Scroll down System Data to Opto input status , using the Key. Use key to identify which

bit correlates to under test.Note : Only spare inputs sha l l be checked w i th ex terna l vo l tage in i t iat ion and o ther inputs sh a l l be checkeddur ing respec t ive funct iona l tes t .

OPTO Input No. Terminal Configuration Result

OPTO 01 E1-E2 CB OPEN OKOPTO 02 E3-E4 SPARE OKOPTO 03 E5-E6 SPARE OKOPTO 04 E7-E8 SPARE OKOPTO 05 E9-E10 SPARE OK

OPTO 06 E11-E12 SPARE OKOPTO 07 E13-E14 SPARE OKOPTO 08 E15-E16 SPARE OKOPTO 09 G1-G2 SPARE OKOPTO 010 G3-G4 SPARE OKOPTO 011 G5-G6 SPARE OKOPTO 012 G7-G8 SPARE OKOPTO 013 G9-G10 SPARE OKOPTO 014 G11-G12 SPARE OKOPTO 015 G13-G14 SPARE OKOPTO 016 G15-G16 SPARE OK


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7. LED CHECK Check the operation of all LEDs on the relay front panel

LED No. Allocation Result

LED 01 REVERSE POWER OKLED 02 FIELD FAILURE OKLED 03 NPS THERMAL OKLED 04 GEN. DIFFERENTIAL OKLED 05 ROTOR EARTH FAULT OK

LED 06 100% STATOR EARTH FAULT OKLED 07 UNDER VOLTAGE OKLED 08 OVER VOLTAGE OK

Function Keys LEDS check:

LED No. Allocation Result

FN LED 01 UNDER FREQUENCY OKFN LED 02 CBF TRIP OKFN LED 03 VOLTAGE BALANCE OK

FN LED 04 Vdep OVER CURRENT OKFN LED 05 OVER FLUX(V/Hz) OKFN LED 06 DEAD MACHINE OKFN LED 07 52G CB OPEN OKFN LED 08 SPARE OKFN LED 09 52G CB CLOSE OKFN LED 10 ANY START OK

8. OUTPUT RELAY CHECKSThis is to verify the healthiness of the Control output relay healthiness.Operate each Spare output through Commissioning Test on front LCD, Check continuity of the contact thatcloses.

- Scroll to Commissioning Test , use to test mode.- Change Test Mode to Contact Blocked. Under Test pattern identify the output to close. Apply Test

using the Contact test option. - Reset the output relays by setting cell [COMMISSIONING TESTS, Contact Test] to Remove Test.

Note : Only spare outputs sha l l be checked us ing above procedure and o ther Outputs s ha l l be checkeddur ing respec t ive funct iona l tes t .


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Output Relay No. Terminal Configuration(IEC NO.S) Result

RL 1 L1-L12 60 OKRL 2 L3-L4 27 OKRL 3 L5-L6 87G,64S OKRL 4 L7-L8 59,81,32,64R & 46 OKRL 5 L9-L10 51-27 & 40 OKRL 6 L11-L12 40 OKRL 7 L13-L14-L15 46 OK

RL 8 L16-L17-L18 87G OKRL 9 K1-K2 51-27 OKRL 10 K3-K4 81 OKRL 11 K5-K6 64S OKRL 12 K7-K8 59 OKRL 13 K9-K10 64R OKRL 14 K11-K12 81 OKRL 15 K13-K14-K15 64B OKRL 16 K16-K17-K18 32 OKRL 17 J1-J2 CBF OKRL 18 J3-J4 CBF OKRL 19 J5-J6 CBF OKRL 20 J7-J8 CBF OKRL 21 J9-J10 CBF OKRL 22 J11-J12 CBF OKRL 23 J13-J14-J15 60 OKRL 24 J16-J17-J18 59 OKRL 25 H1-H2 27 OKRL 26 H3-H4 81 OKRL 27 H5-H6 51-27 OKRL 28 H7-H8 46 OKRL 29 H9-H10 40 OKRL 30 H11-H12 32 OKRL 31 H13-H14-H15 GENERAL ALARM OKRL 32 H16-H17-H18 ANY TRIP OK


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9. MEASUREMENT CHECKNote:- This test is intended to verify the CT/VT inpu ts and CT Ratio, VT Ratio set t ing in th e local relay.- During the injection on one phase, the LCD will show that the angle of that phase changing randomly butangle measurement is not required.When inject 3ph current, the LCD will display correct angles.

VTR: 14.4kV/120V // CTR: 2000/1 A

APPLIED & MEASURED CURRENT:, Current Ap plied: 1.0 A, Tolerance +5%

AppliedPh-Current Expected Current Measured Current

ResultOk (Y/N)

IA-1 2000 A 2005 A Y

IB-1 2000 A 2005 A Y

IC-1 2000 A 2005 A Y

IA-2 2000 A 2006 A Y

IB-2 2000 A 2005 A Y

IC-2 2000 A 2005 A Y

IN-1 IN-2 2000 A 2004 A 2006 A Y

APPLIED & MEASURED VOLTAGE:Voltage Ap plied: V ( Ph-N) AC, Tolerance +5%

AppliedPh-Voltage

Measured Values (Applicable only for 230kV) ResultOk (Y/N)

PHASE AN MAG


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The through current is calculated as the average of the scalar sum of the current entering and leaving thezone of protection. This calculated through current is then used to apply a percentage bias to increase thedifferential setting. The percentage bias can be varied to give the operating characteristic shown in Figure2.

10.1 Differential Protection Settings:

Item Description Setting

1 IS1 100mA

2 IS2 1.0 A

3 K1 0%

4 K2 150%


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10.2 Pickup Test Setting (ISI):Expected: I I Diff I > [IS1 /(1-0.5K1)]

PHASE IA-1 IB-1 IC-1 Expected Value

Pick Up - Amps 100 mA 100 mA 100 mA 100.0 mA

PHASE IA-2 IB-2 IC-2 Expected Value

Pick Up - Amps 100 mA 100mA 100 mA 100.0mA

10.3 Bias Characteristic Test:BIAS = ( 1 + 2)/2 DIFF > K2.BIAS (K2 K1) s2 + s1 +/ - 20% where BIAS > s2

PHASE I 1 I2 IRESTRAIN Expected I DIFF Measured I DIFF

A 1.0 1.411 1.205 0.408 0.413

B 2.0 8.416 5.231 6.446 6.447

C 3.0 1.22 2.11 1.77 1.78

10.4 Operating Time Test With DT Characteristic:

Operating Time at I = 1A T = 0 SecPhase A B C Expected Value

Operating Time 21.2 mSec 18.6 mSec 20.7 mSec < 40 m Sec

11. 100% STATOR EAERTH FAULT PROTECTION Enabled Element: VN 3 RD HARMONIC -VN3H< 1V Characteristic: DT

Delay Time: 1 sec

11.1 PICKUP TEST

Phase Measured Pick-up Measured Drop-off

VN3H< 1.0 1.06


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12.6 OVER FREQUENCY PROTECTION (81U):

12.7 Over Frequency Protection:


1 F>1 Status Enabled

2 F>1 Setting 62.4 Hz

3 F>1 Time Delay 2.0 sec

4 F>2 Status Disabled

12.8 First Stage Over Frequency Pickup Check:

Frequency Setting (Hz) Operated Frequency (Hz)62.4 Hz 62.40 Hz

12.9 First Stage Over Frequency Operating Time Check:

Injected Frequency (Hz) Measured Operating Time (S)66 Hz 2.05 Sec

13. OVERVOLTAGE/ UNDERVOLTAGE PROTECTION (59/27):

13.1 Overvoltage Protection:


1 V> Measurement Mode Phase-Phase2 V> Operate Mode Any Phase3 V>1 Function DT4 V>1 Voltage Set 127 V

5 V>1 Time Delay 2.00 Sec

13.1.1 Stage-I Overvoltage Pickup Check:

Phase Reference Voltage Setting Operated Voltage AB 127 127.1BC 127 127.1CA 127 127.1


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13.1.2 Stage-I Operating Time Check:

Phase Reference Applied Voltage (V) Measured Operating Time AB 127 2.033 secBC 127 2.034 secCA 127 2.031 sec

13.2 Undervoltage Protection:

Item Description Setting1 V< Measurement Mode Phase-Phase2 V< Operate Mode Any Phase3 V


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14.1.1 Reverse Power Pickup Check:

-P>1 Setting Applied Voltage (V) Applied Current(A)Calculated Pick -up Power

MeasuredPower

11 W 69.20 V 53 mA 11.01 W 10.99 W

Note: The current should be 180 degree phase displaced from the reference voltage phases.

14.1.2 Reverse power Operating Time Check:

Applied Power in (W) Measured Operating Time (S)20 1.53 sec

15. THERMAL NEGATIVE PHASE SEQUENCE PROTECTION (46T):

15.1 Negative Phase Sequence Settings:


1 I2>1 Alarm Enabled2 I2>1 Current Set 40 mA3 I2>1 Time Delay 5 Sec4 I2>2 Trip Enabled

5 I2>2 Current Set 70 mA6 I2>2 k Set 3.8 sec7 I2>2 kRESET 3.8 sec8 I2>2 tMAX 500 sec9 I2>2 tMIN 6.0 sec

15.1.1 Thermal NPS Alarm Function Check:

I2>1 Alarmset (mA)

PickupValue (mA)

I2>1 Alarmset (sec)

I2>1 Alarm(sec)

40 mA 41 mA 5 sec 5.059sec

15.1.3 Thermal NPS Tripping Function Check:

Note: The negative phase sequence thermal characteristic is given as

Injected I2 Current (A) Expected Operating Time Measured Operating Time140mA 223.09 Sec 223.1 sec


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16. LOSS OF EXCITATION PROTECTION (40)

16.1 Alarm Function Checks:Item Description Setting1 FFail Alm Status Enabled2 FFail Alm Angle 15.00 deg3 FFail Alm time delay 5 sec

Alarm observed when the injected fault Impedance above 9.5


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through the operating area, until once again it is possible to reset the relay at 225 . Slowly rotate the current phase angle anti-clockwise until the relay again just operates at 240 . Measure the new angle, 2 on the polardiagram.The relay characteristic angle is the mean of the two measured angles and should beroughly 0.

17. SYSTEM BACKUP PROTECTION:

17.1 Voltage Restrained Settings:


1 Backup Function Volt Controlled2 Vector Rotation None3 V Dep OC Char DT4 V Dep OC I> set 0.800 A5 V Dep OC Delay 1.50 sec6 V Dep OC tRESET 0.0 sec7 V Dep OC V) tI> sec Remarks1 Vs > V


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2 Vs < V


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Phase Pick up Drop OffSet Time

(sec)

Measured Time

(Sec)

One phase 38.2 V 41.2 V5.0

5.017

Two phase 39.2 V 41.2 V 5.017

19.2 Loss of all 3 phase voltages under load condition test(detect 3p) :Fixed Setting: a- for fuse fail pick up; V1=10 volts.

b- for fuse fail reset; V1=30 volts.

Pick upmeasurement

voltage(v)

Reset measurementvoltage(v)

10 V 30 V

20. Breaker Fail protection

20.1 CBF Pick-up Current Test

CurrentSettings

R-Phase Y-Phase B-Phase N

Pick up Dropout Pick up Drop out Pick upDropout Pick up Drop out

100mA 101 mA 99 mA 101 mA 99mA 101 mA 99 mA 101 mA 99 mA

20.2 CBF Time Test

Pick-up current set for phase and N: 0.1A , Current injected for phase and N : 0.2 A

CBF start initiated through operation of other protection.

Stage 1Delay Set

in SecDelay Mesured in Sec

R Y B N0.150 0.170 0.171 0.170 0.170


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21. VOLTS/HERTZ PROTECTION :21.1 Over fluxing Settings

Item Description Setting1 V/Hz Status Enabled2 V/Hz Alarm Set 2.103 V/Hz Alarm Delay 10 sec

4 V/Hz>1 Status Enabled5 V/Hz>1 Trip Function DT6 V/Hz>1 Trip Set 2.27 V/Hz>1 Trip Delay 2 sec

21.2 Volts/Hertz Alarm Check:

V/Hz Alarm Set Hz Volts2.1 60 124.8V

21.3 Volts/Hertz Alarm Timing Test :

V/Hz Alarm Set Alarm Delay Measured Time2.1 10 sec 10.4

21.4 Volts/Hertz Trip Check :

V/Hz Alarm Set Hz Volts2.2 60 131.28

21.5 Volts/Hertz Trip Timing Test :

V/Hz Trip Set Trip Delay Measured Time2.2 2 sec 2.03 ec

22.DEAD MACHINE PROTECTION :22.1 DEAD Machine Settings


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Item Description Setting1 Dead Mach Status Enabled2 Dead Mach I> 80.0 mA3 Dead Mach V< 70 V4 Dead Mach tPU 0 Sec5 Dead Mach tDO 500 msec

22.2 Dead Mach Trip Timing Test :

Dead MachSet

PU D.O Delay Settime

Measured Time

80 mA 80mA 76mA 0 sec 31.4 m sec

FINAL CHECKS

Item Description Result

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

2 Disturbed customer wiring re-checked? OK

3 All commissioning tests disabled? OK

4 Circuit breaker operations counter reset? OK

5 Current counters reset? OK

6 Event records reset? OK

7 Fault records reset? OK

8 Disturbance records reset? OK

9 Alarms reset? OK

10 LEDs reset? OK

11 Secondary front cover replaced? (If applicable) OK

Remarks:.. .. .. .. ..


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Name LAKSHMANAN PAULRAJ ENGR. MOHAMMED A. ALMAKRAMI

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P345 Relay Test Report