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Cheyyar Co-Op Sugar Mills LTD.: (15Mw Co-Gen Power Plant)

The document provides a test report for a generator protection relay (MICOM P343) installed at the 15MW co-generation power plant of Cheyyar Co-operative Sugar Mills Ltd. Key details tested include differential protection, loss of excitation protection, undervoltage protection, and overvoltage protection. Test results show the relay operated as expected within set parameters for all protection functions.

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Vijay Pitchaiah
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441 views11 pages

Cheyyar Co-Op Sugar Mills LTD.: (15Mw Co-Gen Power Plant)

The document provides a test report for a generator protection relay (MICOM P343) installed at the 15MW co-generation power plant of Cheyyar Co-operative Sugar Mills Ltd. Key details tested include differential protection, loss of excitation protection, undervoltage protection, and overvoltage protection. Test results show the relay operated as expected within set parameters for all protection functions.

Uploaded by

Vijay Pitchaiah
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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CHEYYAR CO-OP SUGAR MILLS LTD.

DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)


ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

LOCATION : Control Room


PANEL DETAILS/FEEDER NO : Generator Relay Panel -1
VOLTAGE RATING : 11KV

1. Name Plate Details:


Report No : SUGAR MILL/GRP/P343 Date : 01/11/2022
Panel Name : GRP-1 System Voltage : 11KV
Make :AREVA Serial no.: 31578308
Model :P343211E2M0350J
Built-in rated current IN: 1A 5A Built-in rated auxiliary voltage (DC):48-110V DC
CT ratio: 1250 / 1 A PT ratio: 11 / 0.110 KV

2. Measurement:
CT Ratio: 1250/1A PT Ratio: 11000/√3:110/√3 Volts

Injected Relay Metered Value


Injected side Injected Values
Phase Current Voltage(L-L) Voltage(L-N)
R-Phase 1A@0° 1250A@0° - -
Neutral Side Y-Phase 1A@-120° 1255A@-120° - -
B-Phase 1A@120° 1256A@120° - -
1A@0°,
R-Phase 1257A@0° 10.99KV@0° 6.353KV@0°
63.51V@0°
3.9A@-120°,
Phase Side Y-Phase 1254A@-120° 11.00KV@-120° 6.343KV@-120°
63.51V@-120°
3.9A@120°,
B-Phase 1255A@120° 11.00KV@120° 6.347KV@120°
63.51V@120°

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 1 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

3. Differential Protection: (87G)


Setting:
Is1: 100.mA
Diff K1: 0%
Is2: 1A
Diff K2: 150%
a) Pickup Test:
Neutral Side
Injected Phase Calculated Value (A) Pickup Value
R-Phase 0.100 0.100
Y-Phase 0.100 0.100
B-Phase 0.100 0.100
Three Phase 0.100 0.100

Phase side
Injected Phase Calculated Value (A) Pickup Value
R-Phase 0.100 0.100
Y-Phase 0.100 0.100
B-Phase 0.100 0.100
Three Phase 0.100 0.100

b) Stability Test:

Injected current Neutral Side(A) Injected current Phase Side(A) Status


1A@0° 1A@180°
1A@-120° 1A@60° Stable
1A@120° 1A@300°
1A@0° 1A@0°
Trip(44.00 m.Sec)
1A@-120° 1A@-120°

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 2 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

1A@120° 1A@120°

4. Loss of Excitation Protection: (40)


Setting
FFail Alm Status: Enabled
FFail Alm Angle: 15.00 deg
FFail Alm Delay: 5.000 s
FFail1 Status: Enabled
FFail1 Xa1: -8.000 Ohm
FFail1 Xb1: 180.00 Ohm
FFail1 TimeDelay: 2.570 s
FFail1 DO Timer: 0.000 s
FFail2 Status: Disabled
FFail Dirn Line: Disabled
a) Alarm Checking

Injected Phase Applied Voltage(Volt) Applied Current (A) Pickup Angle Reset Angle Result
R-Phase 63.51V@0⁰ 1A@0⁰
Y-Phase 63.51V@-120⁰ 1A@-120⁰ 15⁰&164⁰ 13⁰&166⁰ Alarm(5.049Sec)
B-Phase 63.51V@120⁰ 1A@120⁰

b) Tripping Checking:

Injected Phase Applied Voltage(Volt) Calculated Current (A) Pickup Current(A) Result
R-Phase 50V@0⁰ 0.299A@0⁰ 0.300A@0⁰
Y-Phase 50V@-120⁰ 0.299A@-120⁰ 0.300A@-120⁰ 2.631Sec
B-Phase 50V@120⁰ 0.299A@120⁰ 0.300A@120⁰

5. Under Voltage Protection: (27)


a) Stage 1: Alarm
Setting
V< Operate mode: Any Phase

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 3 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

V<1 Function: DT
V<1 Voltage Set: 90V
V<1 Time Delay: 3.0 Se
V<1 Pole Dead Inh: Enabled

Injected Phase Injected Voltage(V) Set Time (Sec) Result


R-Phase 51.50 V
Y-Phase 51.50 V 3.00 3.028
B-Phase 51.50 V

b) Stage-2: Trip
Setting
V<2 Status: Enabled
V<2 Voltage Set: 88.0V
V<2 Time Delay: 2.0 Sec
V<2 Pole Dead Inh: Enabled

Injected Phase Injected Voltage(V) Set Time (Sec) Operating Time (Sec)
R-Phase 50.50V
Y-Phase 50.50V 2.00 2.035
B-Phase 50.50V

6. Over Voltage Protection: (59)


a) Stage-1
Setting
V>1 Measurement Mode: Phase to Phase
V> Operate mode: Any Phase
V>1 Function: DT
V>1 Voltage Set: 120.0V
V>1 Time Delay: 2.0 Sec

Injected Phase Injected Voltage(V) Set Time (Sec) Operating Time (Sec)
R-Phase 69.50 V
2.00 2.045
Y-Phase 69.50 V

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 4 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

B-Phase 69.50 V

b) Stage-2
Setting
V>2 Measurement Mode: Phase to Phase
V>2 Operate mode: Any Phase
V>2 Function: DT
V>2 Voltage Set: 123.0V
V>2 Time Delay: 0.50 Sec

Injected Phase Injected Voltage(V) Set Time (Sec) Operating Time (Sec)
R-Phase 72.00 V
Y-Phase 72.00 V 0.50 0.554
B-Phase 72.00 V

7. Under Frequency: (81U)


a) Stage-1:
Setting
F<1 Status: Enabled
F<1 Setting: 48.0 Hz
F<1 Time Delay: 3.0 Sec

Injected Phase Injected Frequency(Hz) Set Time (Sec) Operating Time (Sec)
RYB 47.90Hz 3.00 3.148
b) Stage-2:
Setting
F<2 Status: Enabled

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 5 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

F<2 Setting: 47.50 Hz


F<2 Time Delay: 3.0 Sec

Injected Phase Injected Frequency(Hz) Set Time (Sec) Operating Time (Sec)
RYB 47.40Hz 3.00 3.204

8. Over Frequency: (81O)


a) Stage-1:
Setting
F>1 Status: Enabled
F>1 Setting: 51.75 Hz
F>1 Time Delay: 3.0 Sec

Injected Phase Injected Frequency(Hz) Set Time (Sec) Operating Time (Sec)
RYB 51.80Hz 3.00 3.029

b) Stage-1:
Setting
F>2 Status: Enabled
F>2 Setting: 52.50 Hz
F>2 Time Delay: 3.0 Sec

Injected Phase Injected Frequency(Hz) Set Time (Sec) Operating Time (Sec)
RYB 52.60Hz 3.00 2.989

9. Negative Phase Sequence Thermal Protection: (46)


a) Stage-1 : (Alarm Only)
Setting
I2therm>1 Alarm Enabled
I2therm>1 Set 50.00 mA
I2therm>1 Delay 3.000 s

Injected Phase Injected Current(mA) Result

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 6 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

RYB 55 Alarm(3.045Sec)

b) Stage-2: (Tripping)
Setting
I2therm>2 Trip Enabled
I2therm>2 Set 100.0 mA
I2therm>2 kSet 15.00 s
I2therm>2 kRESET 15.00 s
I2therm>2 tMAX 1000 s
I2therm>2 tMIN 250.0 ms
Injected Phase Injected Current(A) Operating Time (Sec)
RYB 1.000 14.96

10. System Backup Protection: (51V)


Setting
Backup Function Volt controlled
Vector Rotation None
V Dep OC Char DT
V Dep OC I> Set 800.0 mA
V Dep OC Delay 1.000 s
V Dep OC tRESET 0 s
V Dep OC V<1 Set 80.00 V
V Dep OC k Set 250.0e-3

Injected Phase Injected Voltage(V) Pickup Current (A) Operating Time (Sec)
R-Ph 63.51V@0⁰ 1A@0⁰ 1.040
Y-Ph 63.51V@-120⁰ 1A@-120⁰ 1.040

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 7 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

B-Ph 63.51V@120⁰ 1A@120⁰ 1.040

11. Power Protection: (32)


a) Stage-1: Reverse Power
Setting
Power1 Function Reverse
-P>1 Setting 1.600 W
Power1 TimeDelay 2.000 s
Power1 DO Timer 0 s
P1 Poledead Inh Enabled

Injected Phase Injected Voltage(V) Pickup Current (mA) Operating Time (Sec)
R-Ph 63.51V@0⁰ 1A@180⁰ 2.050
Y-Ph 63.51V@-120⁰ 1A@60⁰ 2.050
B-Ph 63.51V@120⁰ 1A@300⁰ 2.050

b) Stage-2:
Setting
Power2 Function Low Forward
P<2 Setting 8.000 W
Power2 TimeDelay 2.000 s
Power2 DO Timer 0 s
P2 Poledead Inh Enabled

Injected Phase Injected Voltage(V) Pickup Current (mA) Operating Time (Sec)
R-Ph 63.51V@0⁰ 42A@0⁰ 2.035
Y-Ph 63.51V@-120⁰ 42A@-120⁰ 2.035

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 8 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

B-Ph 63.51V@120⁰ 42A@120⁰ 2.035

12. OVER CURRENT PROTECTION:


a) Stage-1:
Setting
I>1 Function DT
I>1 Direction Non-Directional
I>1 Current Set 800.0 mA
I>1 Time Delay 1.000 s

Injected Phase Pickup Current (A) Operating Time (Sec)


R-Ph 0.8A@0⁰ 1.058
Y-Ph 0.8A@-120⁰ 1.063
B-Ph 0.8A@120⁰ 1.056
b) Stage-1:
Setting
I>2 Function DT
I>2 Direction Non-Directional
I>2 Current Set 1.000 A
I>2 Time Delay 1.000 s

Injected Phase Pickup Current (A) Operating Time (Sec)


R-Ph 1.0A@0⁰ 1.056
Y-Ph 1.0A@-120⁰ 1.067
B-Ph 1.0A@120⁰ 1.058

13. EARTH FAULT PROTECTION:


a) Stage-1:
Setting
IN>1 Function DT
IN>1 Current 100.0 mA
IN>1 Time Delay 1.000 s
IN>1 tRESET 0s

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 9 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

Injected Phase Pickup Current (A) Operating Time (Sec)


I0 0.110A@0⁰ 1.064

b) Stage-1:
Setting
IN>2 Function DT
IN>2 Current 150.0 mA
IN>2 Time Delay 0s

Injected Phase Pickup Current (A) Operating Time (mSec)


I0 0.151A@0⁰ 62.50

14. RESTRICTED EARTH FAULT:


Setting
SEF/REF Options Hi Z REF
IREF> Is 200.0 mA

Injected Phase Pickup Current (A) Operating Time (mSec)


ISEF 0.210A@0⁰ 27.00

15. Volts/HZ:
a) Stage:
Setting
V/Hz Alm Status Enabled
`V/Hz Alarm Set 2.300 V/Hz
V/Hz Alarm Delay 2.000 s
V/Hz>1 Status Enabled
V/Hz>1 Trip Func DT
V/Hz>1 Trip Set 2.400 V/Hz
V/Hz>1 Delay 3.000 s

Injected Phase Injected Frequeny(Hz) Pickup Current (mA) Operating Time (Sec)
R-Ph 50Hz 69.50V@0⁰ 3.042

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 10 of 11
CHEYYAR CO-OP SUGAR MILLS LTD.
DELTAROTOTECH(P)LTD., (15MW CO-GEN POWER PLANT)
ANAKKAVOOR, CHEYYAR.
PROJECT: 15MW CO-GEN
TEST REPORT FOR GENERATOR Format No. :PWR-QAC-FT-835 /Rev 0
POWER PLANT
OWNER : CHEYYAR SUGAR MILL PROTECTION RELAY Report No. : SUGAR MILL/GRP/P343
CONSULTANT : (MICOM P343) Date : 01/NOV/2022
DELTAROTOTECH(P)LTD.

Y-Ph 50Hz 69.50V@-120⁰ 3.042


B-Ph 50Hz 69.50V@120⁰ 3.042

b) Stage:
Setting
V/Hz>2 Status Enabled
V/Hz>2 Trip Set 2.500 V/Hz
V/Hz>2 Delay 2.000 s
Injected Phase Injected Frequeny(Hz) Pickup Current (mA) Operating Time (Sec)
R-Ph 50Hz 73.03V@0⁰ 1.958
Y-Ph 50Hz 73.03V@-120⁰ 1.958
B-Ph 50Hz 73.03V@120⁰ 1.958

16. DEAD MACHINE PROTECTION:

Setting
Dead Mach Status Enabled
Dead Mach I> 100.0 mA
Dead Mach V< 80.00 V
Dead Mach tPU 5.000 s
Dead Mach tDO 500.0 ms

Injected Phase Injected Voltage(V) Pickup Current (A) Operating Time (Sec)
R-Ph 46.0V@0⁰ 0.130A@0⁰ 5.040
Y-Ph 46.0V@-120⁰ 0.130A@-120⁰ 5.040
B-Ph 46.0V@120⁰ 0.130A@120⁰ 5.040

Result:
The Relay was tested and found its ok.

For M/s KE Global Services For Delta Rototech(p) Ltd For Cheyyar Co-operative Sugar Mill
Limited

Mr Dayalan
Testing Engineer

Page 11 of 11

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