ZCS Three Phase Capacitor Switch

ZCS Three Phase Capacitor Switch
Notes

T to T* -----Terminal to terminal creepage

T to G/E* -----Terminal to ground/earth creepage

This figure does not include lower expanding bushing

Detailed introduction

No.

Item

Unit

Data

1

Rated voltage

KV

15/27/38

2

Rated current

A

200 up to 630

3

Rated frequency

HZ

50/60

4

Power frequency 1min

Dry

KV

50/70/95

Wet

45/65/80

5

Lightning impulse withstand voltage(peak value)alternate, opposite/fracture

KV

110/150/170/200

6

Rated short circuit breaking current

KA

12.5/16/20

7

Symmetrical fault-making current

KA

12.5/16/20

8

Rated peak value withstand current

KA

31.5/40/50

9

Symmetrical short time withstand current

KA

12.5/16/20

10

Rated operating circulates

 

O-0.3S-CO-3S-C ( 3S minimum )

11

Single capacitor breaking

A

630

12

Back to back capacitor bank breaking

A

400

13

Mechanism life

times

10,000/100,000

14

Secondary loop 1 min power frequency withstand voltage

KV

2

15

Auxiliary voltage

V

240 AC/DC

++++Creepage Distances of ZCS capacitor switch 

Description

15kV BIL

90kV

27kV BIL

150kV

38kV BIL

170kV

38kV BIL

200kV

T to T*

470

840

1140

1250

T to G/E*

500

1020

1200

1300

Note:

T to T* -----Terminal to terminal creepage

T to G/E* -----Terminal to ground/earth creepage

This figure does not include lower expanding bushing

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