high voltage switching presentation - final

7/31/2019 High Voltage Switching Presentation - FINAL

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Bus Bar 2

ES (1GD)

DS (2G) DS (1G)

ES(3GD-1)ES (3GD-2) DS (3G)

Bus Bar 1

CB(11DL)

3 PHASE SURGE

ARRESTER

3 PHASE PTs

CT

CT


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1 Oil pump motor - charging overtime alarm

2 Oil pump motor starting signal of CB

3 Low Gas pressure of CB

4 Low Gas pressure of Compartment 2~8

5 Low Gas Pressure Lockout

6 Closing Low Oil pressure lock out

7 Main Opening Low Oil pressure lock out

8 Auxiliary Opening low oil pressure lock out

1. CB Motor

2. Auxiliary Circuit

3. Moisture Dispelling & Heating Circuit

4. DS/ES Mechanism Moisture DispellingCircuit

5. DS Motor

6. ES Motor

7. DS Control

8. ES Control

1 CB Motor

2 Auxiliary Switch

3 DS Motor

4 ES Motor

5 DS Control

6 ES Control

7 Moisture Dispelling & Heating

8 ES/DS Moisture Dispelling & Heating

1 Motor Counting of Pole R

2 Motor Counting of Pole S

3 Motor Counting of Pole T

4 Oil Pump Motor Starting Count of R5 Oil Pump Motor Starting Count of S

6 Oil Pump Motor Starting Count of T


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1

Mechanism interface to the

high voltage circuit breaker with

position indicator

2Auxiliary Switch Assembly for

signaling of the switching State

3

Control Module with Individual

adjustable switching speed &

reaction time

4Spring limit switch to monitor

the charging level

5 Disc spring column


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TECHNICAL PARAMETERS : EARTH SWITCH

Rated Voltage: 252KV

Rated Current: 3150A

Rated Short Circuit Withstand Current: 50KA

Rated Short Circuit Duration: 2~3sElectrostatically induced Switching Current:

10A/15KV

Electromagnetically induced Switching

Current: 160A, 15KV

Opening time:


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TECHNICAL PARAMETERS : DISCONNECTOR

Rated Voltage: 252KV

Rated Current: 3150A

Rated Short Circuit Withstand Current: 50KA

Rated Short Circuit Duration: 3s

Opening time:


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CB Chamber

Rated 6

Alarm 5.2

Min Pressure 5

All Other Chambers

Rated 5

Min Pressure 4.4

Unit of Pressure : Bar


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CB Chamber

Rated 6Alarm 5.2

Min

Pressure 5

All Other

Chambers

Rated 5

Min

Pressure 4.4

Unit of Pressure : Bar


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GT STG


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NAME: GT-1/2/3 & STG RED670

1 DIFFERENTIAL TRIP

2 TRIP LINE 1

3 TRIP LINE 2

4 TRIP LINE 3

5 BREAKER FAILURE TRIP

6 BREAKER FLASHOVER

7 COMMUNICATION FAILURE

8 Id ALARM

9 CT OPEN ALARM

10 RECEIVE TRIP OF 220KV CB

11 RECEIVE TRIP BUS COUPLER

12 RECEIVE PANC TRIP 220KV CB

13 RECEIVE GEEPE TRIP 220KV CB


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GT-1,2&3

CT KKS RATIO ACCURACY VA(Burden)

Primary Sec

CT1 11LH 600-1200 1 0.2S 20

CT2 12LH 600-1200 1 5P40 20

CT3 13LH 600-1200 1 5P40 20

CT4 14LH 600-1200 1 5P40 20

CT5 15LH 600-1200 1 5P40 20

CT6 16LH 600-1200 1 5P40 20

CT7 17LH 600-1200 1 5P40 20

CT8 18LH 600-1200 1 0.2S 20

STG


Primary Sec

CT1 11LH 900-1800 1 0.2S 20

CT2 12LH 900-1800 1 5P40 20

CT3 13LH 900-1800 1 5P40 20

CT4 14LH 900-1800 1 5P40 20

CT5 15LH 900-1800 1 5P40 20

CT6 16LH 900-1800 1 5P40 20

CT7 17LH 900-1800 1 5P40 20

CT8 18LH 900-1800 1 0.2S 20


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Bus Bar 2

ES (1GD)

DS (2G) DS(1G)

CB(11DL)

ES(3GD-1ES (3GD-2) DS (3G)

Bus Bar 1

3 PHASE S.A


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NAME: KCR-1/2 REL670

1 DISTANCE- TRIP

2 CARRIER- TRIP

3 TEF -TRIP

4 TOC -TRIP

5 TRIP LOCK OUT- B

6 SOFT -TRIP

7 COMMUNICATION- FAULT

8 ZCOM-CRL

9 ZCOM- CS

10 DISTANCE -START

11 PSD -SATART

12 TEFSTART

13 RE-CLOSE- OPERATE

14 SUPERVISION- ALARM


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KCR-1&2

CT KKS RATIO ACCURACY

VA(Burden

)

Primary Sec

CT1 11LH 1500-3000 1 0.2S 30

CT2 12LH 1200-2400 1 5P20 30

CT3 13LH 1200-2400 1 5P20 30

CT4 14LH 1200-2400 1 5P20 30

CT5 15LH 1200-2400 1 5P20 30

CT6 16LH 1200-2400 1 5P20 30

CT7 17LH 1200-2400 1 5P20 30

CT8 18LH 1500-3000 1 0.2S 30

ONE PHASE PT 7YH

RATIO ACCURACY VA(Burden)

Primary Sec220/1.732 0.11/1.732 0.2(3P) 150

220/1.732 0.11/1.732 0.2 150

220/1.732 0.11/1.732 3P 200


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NAME: SHT-LINE-1/2

REB670

1 Diff-protection trip

2 Trip A

3 Trip B

4 Trip C

5 TOC1- Trip

6 OCT-alarm

7 ID>-Alarm

8 Lin>-alarm


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SHORT LINES 1&2


Primary Sec

CT1 11LH 1500-3000 1 0.2S 30

CT2 12LH 1200-2400 1 5P20 30

CT3 13LH 1200-2400 1 5P20 30

CT4 14LH 1200-2400 1 5P20 30

CT5 15LH 1200-2400 1 5P20 30

CT6 16LH 1200-2400 1 5P20 30

CT7 17LH 1200-2400 1 5P20 30

CT8 18LH 1500-3000 1 0.2S 30


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THREE PHASE PT IYH/IIYH


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Primary Sec

220/1.732 0.11/1.732 0.2(3P) 150

220/1.732 0.11/1.732 0.2 100

220/1.732 0.11/1.732 3P 150

220/1.732 0.11 3P 200


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NAME: BUSBAR REB670

1 ZA-TRIP

2 ZA-BFP

3 ZA-EXT-TRIP

4 ZB-TRIP

5 ZB-BFP

6 ZB-EXT-TRIP

7 ZA-OCT-ALARM8 ZA-Id>-ALARM

9 ZALINE>-ALARM

10 ZB-OCT-ALARM

11 ZB-Id>-ALARM

12 ZB-Lin>-ALARM

13 SWITCH-ALARM

14 ZA-BLOCKED

15 ZB-BLOCKED

BUS COUPLER


Primary Sec

CT1 11LH 1200-2400 1 0.2S 20

CT2 12LH 1200-2400 1 5P40 20

CT3 13LH 1200-2400 1 5P40 20

CT4 14LH 1200-2400 1 5P40 20

CT5 15LH 1200-2400 1 5P40 20

CT6 16LH 1200-2400 1 5P40 20

CT7 17LH 1200-2400 1 5P40 20

CT8 18LH 1200-2400 1 0.2S 20

THREE PHASE PT IYH/IIYH


Primary Sec

220/1.732 0.11/1.732 0.2(3P) 150

220/1.732 0.11/1.732 0.2 100

220/1.732 0.11/1.732 3P 150

220/1.732 0.11 3P 200


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NO

YESNOT

OK

NO

YES


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HIGH

LOW


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LOW

HIGH


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PASS

FAIL

FAIL

PASS


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X


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GT

X

X

X


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X


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X


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X

X

X

GT


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X

X

GT


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X

X

X

GT


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X

X

GT


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X


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X


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X


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X


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X


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high voltage switching presentation - final

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