220KV GIS Testing Items and Steps

ABB ABB High Voltage Switchgear (Xiamen) Co.Ltd

220kv GIS Guide of site testing of 220kv GIS 1

Voltage Drop Measurement of Main Circuit

2

SF6

3

GIS

4

GIS

5

Density relay Check Compartment Leakage Check SF6

Humidity Measurement Earthing Check

6

VCT CT

VCT and CT Testing

7

SA

Surge Arrester Testing

8

Circuit Breaker Function Testing

9

Control Circuit Check

10

HV Testing of Main Circuit

11 12

HV Cable Testing GIS

Remote Control Check

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5 D [2008-3-25]

ABB ABB High Voltage Switchgear (Xiamen) Co.Ltd

Voltage Drop Measurement of Main Circuit Purpose: To check whether the connection is good according to the default values. The default values are listed on operation manual and factory routine test reports. Testing equipment: Primary test system. 1

GIS GIS

2 3

100A

Programma

4 4.1 4.2 4.3 4.4

E01 E01 E05 E05

—E02Q8 —E04Q8 —E02Q8 —E04Q8

E01 E01 E01 E01

Density relay Check

SF6

Purpose: To verify the preset value of density relay is consisted with design. Testing equipment: Density monitor test set 1 2 3 4

SF6 SF6 SF6 GIS )

Compartment Leakage Check

Purpose: To check the leakage rate of gas compartment. Testing equipment: Leak-seeker 1 2 3 4

LS-790B 0.5% GIS

(24 Page 2/5

)

SF6

5 D [2008-3-25]

ABB ABB High Voltage Switchgear (Xiamen) Co.Ltd

) Humidity Measurement Purpose: To check gas humidity of gas compartment. Testing equipment: Dew-point measurement. 1 2 3

GIS

SF6 DP19

SF6

150PPM

250PPM

4

24 PPM Earthing Ckeck

Purpose: To check the tightness of earthing connection. Equipment: Torque wrench. GIS

1

GIS (

VCT

VCT and CT Testing

CT

Purpose: To check the character of VCT and CT. Testing equipment: Character measurement device of transformer. CT

1 CT PT

PT

CT PT CT

PT

CT

PT

PT

CT PT CT PT CT SA

CT PT

10KV

)

PT Surge Arrester Testing

Purpose: To check the character of Surge Arrester. Testing equipment: Character measurement device of Surge Arrester. Page 3/5

5 D [2008-3-25]

ABB ABB High Voltage Switchgear (Xiamen) Co.Ltd

1

SA

GIS 2 3

4 GIS GIS

GIS GIS PT

Circuit Breaker Function Test Purpose: To check the character of circuit breaker. Testing equipment: Breaker analyzer system. 1

OCO

2 3

TM1600

0—10A

60ms T 4 ms 21ms T 2 ms 120s 6A/DC110V 3A/DC220V. 3A/DC110V 1.5A/DC220V. 6A/DC110V 2A/DC220V. 4 4.1

( )

4.2 4.3 / 4.4

OCO Page 4/5

5 D [2008-3-25]

ABB ABB High Voltage Switchgear (Xiamen) Co.Ltd

Control Circuit Check Purpose: To check the reliability of control circuit. Equipment: Digital multimeter. 1 2 3 4

1KV ( CT

)

PT

CT

PT

HV Testing of Main Circuit Purpose: To verify the insulate capability of GIS. Testing equipment: HV testing device. 1

GIS (1

)

2 3 4 4.1

80%

A B C D 4.2 4.3 4.4 4.5 4.6 5 5.1 5.2 5.3 5.4 GIS

PT

PT

GIS

63.5KV

1

PT

PT

PT PT GIS 24

CT GIS

GIS GIS

GIS

/

3KV

3

/ 184KV

GIS A B C

5.5 5.6

GIS

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5 D [2008-3-25]

ABB ABB High Voltage Switchgear (Xiamen) Co.Ltd

220KV

110KV

HV Cable Test

Purpose: To verify the insulate capability of HV cable. Testing equipment: HV testing device.

GIS

24 GIS

GIS

)

Remote Control Check

Purpose: To check the reliability of remote control. Equipment: Digital Multimeter.

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5 D [2008-3-25]