gt protection type test

#1 Generator Protection System I Commissioning Report (10CHA01)

2X300MW TTHERMAL POWER PLANT

YAMUNA NAGAR HARYANA-INDIA

#1 Genrator Protection System I (10CHA01)

Commissioning Report

Commissioning:

Check:

Date:

- 1 -


Section I: Authorized Illumination

I. ObjectiveThis report is specially set for the designed of 2X300MW TTHERMAL POWER PLANT YAMUNA

NAGAR HARYANA-INDIA #1 Generator Protection System I(10CHA01) as a verification plan for

inspection of system and performance of device.

II. Foundation & Sampling1. 《Technical Specifications for Relaying Protection and Safe Automatic Devices》Issued by Ministry

2. 《Generad specification for control and protection panel（cabinet、desk）of secondary circuit of power

system》JB/T 5777.3 – 2002

III. Testing condition3.1 Testing environment:

On the condition of normal atmosphere as followings:

Environment temperature: 10℃～35℃

Relative humidity: 45％～75％Atmospheric pressure: 86kPa～106kPa

3.2 Testing power supply:

3.2.1 AD power supply: DC220V, ripple factor is not more than 5％3.2.2 AC power supply: AC240V, 50HzASine wave, Aberrance factor is not more than 5％

3.3 Testing instrument:

Relay protection star 802 micro-relay protection instrument

ZC25-3 500V Meganeter

FLUKE numeric multimeter

Portable equipment with DIGSI4.71software

Several test leading wires

IV. Notice proceedings 4.1 Turn off the switch of power supply before plug or pull the module to make the DC power supply off.

Never plug or pull the module with electricity to prevent the component from damage.

4.2 Special measures must be adopted during the module plug or pull to avoid component damages by static

electricity of human body.

4.3 Fix earthing screw firmly to the earth lead before other connections achieved

4.4 High voltage may occur between the circuit and component used for connecting the DC power supply or

- 2 -


testing or experiment.

4.5 Risky high voltage may occur on the device even if the DC circuit switch off. (The energy storage

capacitor discharge)

4.6 The testing capacity cannot exceed the limit number specified in the technical datasheet for every device.

V. Testing Contents5.1 Machinery appearance and configuration inspection

5.2 Equipment and connections

5.3 Insulation property

5.4 Electric property

Section II: Test data and results

I. Machinery appearance and configuration (Qualified√)

NO. Content Conclusion

1 Fix of protection equipment meet the requirement of drawing √2 Appearance of insert piece and quality of welding meet the requirement of techniques √3 Fixed well, no loose, no obvious damage and distortion on the protection equipment √4 Marking is clear and right, the terminal of protection equipment connected reliable √5 Switch, keyboard should be operated flexible with right handle √6 No dust and sundries in the screen √7 Easy to move the door of screen and open the lock √8 No lacquer drop and knock and fish tail inside and outside of the screen √9 All kinds of markings and signs are right and clear √

II. Device and connection inner screen (Qualified √)No. Test content Conclusion

1Check if the nameplate, model of relay meets the design requirement. Pay special

attention on rating current of the assistant power supply and mutual-inductor√

2Check if the actual connection meets the requirement of design drawing and the

connection is fixed firmly√

3 Check if the protection screen and all shielding cable earthed well √

III. Insulation test (insulation resistance)1. Remove all the connection points on the screen, with the DC circuit short circuit on the both input points

and input points of AC circuit.

2. Measure the insulation resistance about all independence circuits to earth and among all independence

circuits with ZC25-3 500V Megameter

No. ItemsInsulation resistance

(MΩ)

- 3 -


1 DC circuit to earth >100MΩ

2 AC circuit to earth >100MΩ

3 Open circuit to earth >100MΩ

4 Out circuit to earth >100MΩ

5 DC circuit to AC circuit >100MΩ

6 DC circuit to open circuit >100MΩ

7 DC circuit to out circuit >100MΩ

8 AC circuit to out circuit >100MΩ

9 AC circuit to out circuit >100MΩ

10 Open circuit to out circuit >100MΩ

Note: not less than 5 MΩ with secondary circuit, not less than 10 MΩ without secondary circuit.

IV. Power performance 4.1 List of 10CHA01 1st set electric generator protection function

Code /Model ANSI Code setting value functionSetting value

AddressRemarks

- 4 -


F11

7UM6225-5EB92-0CA0-LOD

87GGenerator differential

protection2001~2063

64G Stator earth protection 6001

21 Impedance protection 3301~3317

59 Over voltage protection 4101~4107

95 Generator interturn fault Pro. 5501

27 undervoltage protection 4001~4006

50VOvercurrent protection(with

undervoltage)1301~1305

81 Frequency protection 4201~4215

46 Neg. overcurrent protection 1701~1707

49 Overload protection 1601~1616

40 Loss of execited 3001~3014

32F Low power protection 3201~3206

32R Reverse Power protection 3101~3105

24 Overexcitation protection 4301~4305

78Generator Pole Slipping

Protection3501~3512

50/27 Inadvertent energizing Pro. 7101~7105

F12

7UM6115-5EB90-0AA0-LOD32R Reverse Power protection 3101~3105

4.1.1 Information about protection equipment of electric generator (7UM6225-5EB92-0CA0-LOD)

Manufacturer SIEMENS Model 7UM6225-5EB92-0CA0-LOD

Serial No.BF061005154

2Software version V 4.6

Mounting position 10CHA01－F11 Purpose Generator protection

4.1.2 Information about protection equipment of electric generator (7UM6115-5EB90-0AA0-LOD)

Manufacturer SIEMENS Model 7UM6115-5EB90-0AA0-LOD

Serial No.BF061005152

7Software version V 4.1

Mounting position 10CHA01－F12 Purpose Generator protection

4.2 DC power supply

Check if the magnitude and polarity of voltage meet the requirement by multimeter before the equipment

electrified with DC. Check the DC control voltage of input circuit on relay according to the design requirement

1. DC input:

- 5 -


Theoretical value (Allowable deviation ±20％) Real value DC I Real value DC II

220V DC 219.7V 220.4V

Test result:OK

2. Press the LED reset button to check if the light on the panel bright and the testing finished: Press the B10

black button the check if the yellow and red light are bright and the testing finished.

Test result: OK

4.3 Input of setting value

1. Input the setting of all function, parameters, fixed value according to the setting book

2. Category the required LED light, way out circuit, switching value input circuit according to the design or

setting book or the requirement of user on-site.

3. Logic programmed according to the situation of field apparatus or the operation requirement

Note: set and test according to leaving factory default value if there is no setting book for inference

4.4 Test of AC phase sequence and current, voltage input circuit linearity (Current, voltage error is less than

5%)

Note: reading is first value Unit: kA; kV. Transformation ratio CT side1 is set as 30000/5A; side2 as

30000/5A; Transformation ration PT is set as 20kV/110V.

F11 (7UM6225-5EB92-0CA0):

Sampling value of currentM1(side1) IA IBIC

IE0.1A 0.6 0.6 0.6

0.5A 3 3.01 3

1A 6.02 6 6.02

2A 12.02 12.01 12.01

Sampling value of Current M2

(side2)IA IB

IC

IE0.1A 0.6 0.6 0.6

0.5A 3.01 3 3.01

1A 6.01 6.01 6

2A 12.01 12 12.01

Sampling value of voltage UAB UBC UCA Uen

5V 0.91 0.909 0.91 0.91

10V 1.82 1.818 1.82 1.82

20V 3.636 3.64 3.636 3.64

Note: reading is first value Unit: kA; kV. Transformation ratio CT is set as 30000/5A; Transformation ration

PT is set as 20kV/110V.

F12 (7UM6115-5EB90-0AA0):

- 6 -


Sampling value of current IA IB IC

0.1A 0.6 0.6 0.6

0.5A 3 3.01 3.01

1A 6.01 6.02 6.02

2A 12.01 12.02 12

Sampling value of voltage UAB UBC UCA Uen

5V 0.909 0.91 0.909 0.909

10V 1.818 1.8 1.82 1.818

20V 3.636 3.64 3.64 3.636

Test result:OK

4.5 Protection function test

Requirements: the error of operated value can not over the 5％ of setting value; if the start value of operated for differential protection is 0s, the value of 1.5 times is about 35ms and the allowable error of additional relay

time is 1% of setting value for time.

4.5.1 F11 (7UM6225-5EB92-0CA0):1. Test data of differential protection (87G):

Title

Items

Name:GenratorProtectionAddress:11Model: 7UM6225-5EB92-0CA0

Serial No.:

BF0610051542

Version of software:

V4.6

Voltage ratio:

20KV/110V

Power parameter

Side1CT no-load

voltage ratio:

12000A/5A

Side 2 CT no-load

voltage ratio:

12000A/5A

Capacity: 353MVA

Differe

ntial

protect

ion

87G

Setting value Test result

pickupI=0.3I/In0

T=0

SIDE1 A SIDE1 B SIDE1 C SIDE2 A SIDE2 B SIDE2 C

1.266A 1.264A 1.265A 1.266A 1.265A 1.263A

Diff.

I=5 I/In0

T=0SDIE1 A SIDE1 B SIDE1 C SIDE2 A SIDE2 B SIDE2 C

2.115A 2.114A 2.116A 2.117A 2.115A 2.113A

Slope 1

S1=0.25

Basic point 0SIDE1 A & SIDE2 A SIDE1 B & SIDE2 B SIDE1 C & SIDE2 C

5.33A/3.198A 5.33A/3.196A 5.33A/3.194A

Slope 2

S2=0.5

Basic point

2.5 I/In0

SIDE1 A & S2 A SIDE1 B & SIDE2 B SIDE1 C & SIDE2 C

16.453A/9.01A 16.453A/9A 16.453A/8.98A

2. Test data of stator earth protecion (59N/67GN) :

Protection Setting value Operated value Setting time (s) Operated time (s)

- 7 -


59N> 10V 10.01V 0.3 0.301

3. Test data of stator earth protection with 3rd Harmonics(27/59TN) :


59TN> 2V 2.01V 0.5 0.501

4. Test data of low resistance protection (21):


Z1 0.11 Ohm 0.11 Ohm 0.3 0.3

Z1B 0.19 Ohm 0.19 Ohm 0.3 0.3

Z2 0.19 Ohm 0.19 Ohm 3.5 3.501

5. Test data of over-voltage protection (59):


U> 120V 119.85V 3 3.02

U>> 130V 129.73V 0.5 0.501

6. Test data of interturn protection on generator:


95 2.2V 2.2V 0.5 0.501

7. Test date of under-voltage protection (27):


U< 75V 74.99V 3 3.01

U<< 65V 64.95V 0.5 0.502

8. Test data of back up over current protection (51) (undervoltage holding):


I> 7A 7.01A 3.5 3.499

U< 80V 79.9V 8 8.01

9. Test data of generator pole slipping protection (78):

Borderline of

impedanceOperated state First list Second list Third list

- 8 -


Za

operated

U=5V,I=6.5V,Φ=

0°

U=0V,I=6.5V,Φ=

180°

U=5V,I=6.5V,

Φ= 180°

No-operated

U=5V,I=6.5V,Φ=

0°

U=0V,I=6.5V,Φ=

180°

U=0.5V,I=6.5V,

Φ= 180°

Zb

operated

U=2V,I=6.5V,Φ=

0°

U=1.45V,I=6.5V,

Φ=-90°

U=2V,I=6.5V,

Φ= 180°

No-operated

U=2V,I=6.5V,Φ=

0°

U=1.5V,I=6.5V,

Φ= -90°

U=2V,I=6.5V,

Φ= 180°

Zc

operated

U=2V,I=6.5V,Φ=

0°

U=0.84V,I=6.5V,

Φ= 90°

U=2V,I=6.5V,

Φ= 180°

No-operated

U=2V,I=6.5V,Φ=

0°

U=0.9V,I=6.5V,

Φ= 90°

U=2V,I=6.5V,

Φ= 180°

Zd

operated

U=2V,I=6.5V,Φ=

0°

U=1.9V,I=6.5V,

Φ= 90°

U=2V,I=6.5V,Φ=

180°

No-operated

U=2V,I=6.5V,Φ=

0°

U=2.1V,I=6.5V,

Φ= 90°

U=2V,I=6.5V,Φ=

180°

10. Test data of loss of excitation protection (40):

Angle of U/I Static state value Dynamic value

90° (0MW,-187.38MVAR) (0MW,-458.78MVAR)

75° (50.26MW,-187.46MVAR) (129.35MW,-505.93MVAR)

60° (109.55MW,-189.63MVAR)

45° (177.75MW,-177.81MVAR)

Oerated time(s) Operated time t1=10.02Operated time t2

t2=0.505

Operated time t3

t3=2.03

Setting value Φ1 80° Φ2 90° Φ3 110°

Calculate

Φ1=arctg[(177.75-109.55)/(-177.81+189.63)]= 80.167°

Φ2=arctg[(50.26-0)/(-187.46+187.38)]= 89.94°

Φ3=arctg[(129.35-0)/(-505.93+458.78)]=110°

Voltage(v)operated value dropped value dropped rating

8.05 7.64 0.95

- 9 -


11. Test data of overexcitation protection (24):


24－1 1.07 1.07 10 10.242

24－2 1.2 1.2 60 60.21

12. Test data of frequency protection (81):

Protection Setting value (HZ) Operated value

(HZ)

Setting time (s) Operated time (s)

81－1 48.0 47.9 1 1.01

81－2 47.0 46.8 6 5.99

81－3 49.5 49.46 20 20.03

81－4 52 52.1 10 10.08

13. Test data of forward power protection (32F):


P> 96.6% 482.69W 10 9.98

P< 7.7% 73.83W 2 1.99

14. Test date of overload protection (49):

Protectio

n

Setting

time1 (s)

Setting

time2 (s)

Setting

time 3 (s)

Operated

time 1 (s)

Operated

time 2 (s)

Operated

time 3 (s)

49 20 32 38.7 19.08 31.096 38.069

15. Test data of negative sequence protection of generator (46):


46－1 10% 0.504A 20 19.89

46－2 60% 3A 3.5 3.501

16. Test data of Inadvertent Energizing Protection (50/27):

Protection Setting value Operated value

I 1.5A 1.48A

V1 55V 54.97V

T 0.5S 0.498S

4.5.2 F12 (7UM6115-5EB90-0AA0):

1. Test data of reverse power protection (32R):


- 10 -


P> -3.62% -11.49W 5 5.08

Test result: OK

4.6 Function test (Qualified “√”)

4.6.1 F11 (7UM6225-5EB92-0CA0) Name Test method Device F11 Result

Loss-water of generator Short circuit between X130-1and X130－9 BI1 √Tripping operation on

thermodynamic protectionShort circuit between X130－1 and X130－10 BI2 √

Main stop valve shut off Short circuit between X130－1 and X130－11 BI3 √Field breaker close Short circuit between X130－1 and X130－12 BI4 √

Main convertor 220kV side

circuit breaker closeShort circuit between X130－1 and X130－13 BI5 √

High temperature on the

Stator windingShort circuit between X130－1 and X130－14 BI6 √

High-high temperature on

the stator windingShort circuit between X130－1 and X130－15 BI7 √

Differential generator-

transformer setShort circuit between X130－21 and X130－

29BI9 √

Unit transformer＃1 differential protection

Short circuit between X130－21 and X130－30

BI10 √

Unit transformer＃2 differential protection


BI11 √

Unit transformer＃1 zero-sequence differential

protection on low voltage


BI12 √

Unit transformer＃1 instantaneous current

protection on the high

voltage side


BI13 √

unit transformer＃2 instantaneous current

protection on the high

voltage side


BI14 √

Main transformer on the

side of high voltage backup

earth fault protection


BI15 √

4.6.2 F12 (7UM6115-5EB90-0AA0) Name Test method Device F11 Result

Main heavy gas relay Short circuit between X130－1and X130－9 BI1 √

- 11 -


Main transformer

on load tap changing oil

pressure releaseShort circuit between X130－1 and X130－10 BI2 √

Heavy gas relay of plant

unit transformer #1Short circuit between X130－1 and X130－11 BI3 √

High-high oil temperature

of unit transformer #1Short circuit between X130－1 and X130－12 BI4 √

Heavy gas relay of unit

transformer#2Short circuit between X130－1 and X130－13 BI5 √

High-high oil temperature

of unittransformer #2Short circuit between X130－1 and X130－14 BI6 √

High-high temperature of

main transformer windingShort circuit between X130－1 and X130－15 BI7 √

4.7 Output test of protection (Right “√” )

PROTECTION links Corresponding teminal State Result

F11

GEN.DIFF.PROTOPTD

(87G)

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √

Close L101 X160:35-37 CLOSE √Close L102 X160:39-41 CLOSE √Close L103 X160:43-45 CLOSE √Close L104 X160:47-49 CLOSE √Close L105 X160:51-53 CLOSE √Close L106 X160:55-57 CLOSE √Close L107 X160:59-61 CLOSE √Close L108 X160:63-65 CLOSE √Close L111 X160:67-69 CLOSE √Close L112 X160:71-73 CLOSE √Close L113 X160:75-77 CLOSE √

X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN.STATOR EARTH FAULT

X160:21-22 OPEN √

X160:24-25 OPEN √

- 12 -


PROT.95% (64G1)

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN.REVERSE POWER PROT

3R-2

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √

Close L101 X160:35-37 CLOSE √Close L102 X160:39-41 CLOSE √Close L103 X160:43-45 CLOSE √Close L104 X160:47-49 CLOSE √Close L105 X160:51-53 CLOSE √Close L106 X160:55-57 CLOSE √Close L107 X160:59-61 CLOSE √Close L108 X160:63-65 CLOSE √Close L111 X160:67-69 CLOSE √

Close L112 X160:71-73 CLOSE √Close L113 X160:75-77 CLOSE √

X170:15-16 CLOSE √

X171:7-8 CLOSE √

- 13 -


X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN.LOW FORWARD POWER

PROT .32F

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN.LOW IMPEDANCE PROT

21G

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √

Close L101 X160:35-37 CLOSE √Close L102 X160:39-41 CLOSE √Close L103 X160:43-45 CLOSE √Close L104 X160:47-49 CLOSE √Close L105 X160:51-53 CLOSE √Close L106 X160:55-57 CLOSE √Close L107 X160:59-61 CLOSE √Close L108 X160:63-65 CLOSE √

- 14 -


Close L111 X160:67-69 CLOSE √Close L112 X160:71-73 CLOSE √Close L113 X160:75-77 CLOSE √

X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN. OVEROVOLTAGE PROT

59G2

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN. INTERTURN PROT

95

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √

Close L101 X160:35-37 CLOSE √Close L102 X160:39-41 CLOSE √Close L103 X160:43-45 CLOSE √

- 15 -


Close L104 X160:47-49 CLOSE √Close L105 X160:51-53 CLOSE √Close L106 X160:55-57 CLOSE √Close L107 X160:59-61 CLOSE √Close L108 X160:63-65 CLOSE √Close L111 X160:67-69 CLOSE √Close L112 X160:71-73 CLOSE √Close L113 X160:75-77 CLOSE √

X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN. BAK－UP OVERCURRENT PROT. I>SPACE WITH U< SEAL-IN

50V

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN. UNBLANCED LOAD PROT

I2>>TRIP

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

- 16 -


46-2

X160:30-31 OPEN √

X160:33-34 OPEN √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN. UNDER FREQUENCY PROT.

F<47HZ

81U-3

Close L111 X160:67-69 CLOSE √

X170:17-18 CLOSE √

X171:9-10 CLOSE √

X172:9-10 CLOSE √

X173:5-6 CLOSE √

X100:3-9 CLOSE √

F11

GEN. OVEREXCETION PROT.

STAGE-II

OPTD (U/F>>)

24-2

Close L111 X160:67-69 CLOSE √X170:17-18 CLOSE √

X171:9-10 CLOSE √

X172:9-10 CLOSE √

X173:5-6 CLOSE √

X100:3-9 CLOSE √

F11

GEN. OVERLOAD PROT. Θ》TRIP49-2


X171:9-10 CLOSE √

X172:9-10 CLOSE √

X173:5-6 CLOSE √

X100:3-9 CLOSE √

- 17 -


F11

GEN.LOSS OF EXCITATION

PROT.CHAR2 OPTD (STAT. STAB 2)

40-2


X171:9-10 CLOSE √

X172:9-10 CLOSE √

X173:5-6 CLOSE √

X100:3-9 CLOSE √

F11

GEN.UNBLANCED LOAD PROT

I2P> SPACE 46

PROTECTION


X171:9-10 CLOSE √

X172:9-10 CLOSE √

X173:5-6 CLOSE √

X100:3-9 CLOSE √

F11 EXTERNAL BINARY INPUT

BI: GT OVERALL DIFFERENTIAL

PROT

BI: UAT #1 DIFFERENTIAL PROT

BI: UAT #1 DIFFERENTIAL PROT

BI: UAT #1 LV RESTRICTED E/F

PROT

BI: UAT #1 HV HIGH SET INST.O/C

PROT

+ LOW SET INVERSE O/C PROT

BI: UAT #1 HV HIGH SET INST.O/C

PROT

+ LOW SET INVERSE O/C PROT

BI: GT HV IDMT STANDBY E/F

PROT

X160:21-22 OPEN √

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F12 EXTERNAL BINARY INPUT X160:21-22 OPEN √

- 18 -


TRIP

BI: GT TRANS. BUCHHOLZ

RELAY

BI: GT OLTC OIL SURGE PROT

BI: UAT #1 BUCHHOLZ RELAY

BI: UAT #1 OIL TEMP. HIGH-HIGH

BI: UAT #1 BUCHHOLZ RELAY

BI: UAT #1 OIL TEMP. HIGH-HIGH

X160:24-25 OPEN √

X160:27-28 OPEN √

X160:30-31 OPEN √

X160:33-34 OPEN √

Close L101 X160:35-37 CLOSE √Close L102 X160:39-41 CLOSE √Close L103 X160:43-45 CLOSE √Close L104 X160:47-49 CLOSE √Close L105 X160:51-53 CLOSE √Close L106 X160:55-57 CLOSE √Close L107 X160:59-61 CLOSE √Close L108 X160:63-65 CLOSE √Close L111 X160:67-69 CLOSE √


X170:15-16 CLOSE √

X171:7-8 CLOSE √

X172:7-8 CLOSE √

X173:3-4 CLOSE √

X100:3-9 CLOSE √

F11

GEN. UNDER FREQUENCY PROT.

81U-2

F<48HZ

X160:21-22 OPEN √

X160:24-25 OPEN √

Close L101 X160:35-37 CLOSE √Close L102 X160:39-41 CLOSE √Close L103 X160:43-45 CLOSE √Close L104 X160:47-49 CLOSE √

X170:19-20 CLOSE √

X171:11-12 CLOSE √

X172:11-12 CLOSE √

X173:7-8 CLOSE √

X100:3-9 CLOSE √

F11

EN. LOSS OF EXCITATION PROT.

40-3

CHAR.3 OPTD (DYA. STAB)

X160:21-22 OPEN √

X160:24-25 OPEN √


- 19 -


X170:19-20 CLOSE √

X171:11-12 CLOSE √

X172:11-12 CLOSE √

X173:7-8 CLOSE √

X100:3-9 CLOSE √

F11

GEN. POLE SLIPPING PROT.

78

CHAR.1 OPTD

X160:21-22 OPEN √

X160:24-25 OPEN √


X170:19-20 CLOSE √

X171:11-12 CLOSE √

X172:11-12 CLOSE √

X173:7-8 CLOSE √

X100:3-9 CLOSE √

F11

GEN. DEAD MACHINE PROT.

50/27

X160:21-22 OPEN √

X160:24-25 OPEN √


X170:19-20 CLOSE √

X171:11-12 CLOSE √

X172:11-12 CLOSE √

X173:7-8 CLOSE √

X100:3-9 CLOSE √

F12 EXTERNAL BINARY INPUT

BI: GT WINDING TEMP. HIGH-

HIGH

X160:21-22 OPEN √

X160:24-25 OPEN √


X170:19-20 CLOSE √

X171:11-12 CLOSE √

X172:11-12 CLOSE √

- 20 -


X173:7-8 CLOSE √

X100:3-9 CLOSE √

CIRCUIT BREAKER START FAULT

PROT.


F11 LOAD REDUCTION PROT. Close L114 X160:87-89 CLOSE √F11 MAGNETIC REDUCING Close L115 X160:91-93 CLOSE √

F11 FREQUENCY PROT. ALARMX171:13-14 CLOSE √

X172:13-14 CLOSE √

F11 UNBLANCED OVERCURRENT

PROT. STAGE T1 ALARM

X171:15-16 CLOSE √

X172:15-16 CLOSE √

F11 OVERLOAD ALARMX171:17-18 CLOSE √

X172:17-18 CLOSE √

F11 LOSS OF EXCITATION PROT.

STATIC STEADY STAGE ALARM

X171:19-20 CLOSE √

X172:19-20 CLOSE √

F11 FORWARD LOW POWER

PROT. ALARMX171:21-22 CLOSE √

F11 OVER EXCITATION PROT. 1

ALARM

X171:23-24 CLOSE √

X172:23-24 CLOSE √

F11 LOSS OF SYNCHRONISM

PROTECTION CHARACTERISTIC

2 ALARM

X171:25-26 CLOSE √

X172:25-26 CLOSE √

F11 WATER CUT-OFF PROT. T1

ALARM

X171:27-28 CLOSE √

X172:27-28 CLOSE √

F11 VT1 LINE BREAKAGEX171:29-30 CLOSE √

X172:29-30 CLOSE √

Close L116 X160:95-97 CLOSE √

F11 WINDING TEMP. HIGHX171:33-34 CLOSE √

X172:33-34 CLOSE √

F11 WINDING TEMP. HIGH-HIGHX171:35-36 CLOSE √

X172:35-36 CLOSE √

F12 REVERSE POWER PROT.

ALARM

X171:31-32 CLOSE √

X172:31-32 CLOSE √

F11 PROT. 1 7UM622 TRIP X170:11-12 CLOSE √

F12 PROT. 1 7UM611 TRIP X170:13-14 CLOSE √

PROT. SYSTEM FAULT X171:1-2 CLOSE √

- 21 -


X172:1-2 CLOSE √

PROT. SYSTEM 1 TRIP X171:5-6 CLOSE √

X172:5-6 CLOSE √

PROT. CABINET POWER BUS

DISAPPEAR

X171:3-4 CLOSE √

X172:3-4 CLOSE √

4.8 Reset button test

4.8.1 The red light H12 illumine if any fault on the protection system, off after the B10 reset button pressed.

Test result:OK

Section III: Conclusion

The conclusion of #1 Generator Protection System I (10CHA01) is as followings:OK

Commissioning: Commissioning Date:

- 22 -

gt protection type test

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