Serial no

Item

Unit

Data

1

Rated voltage

KV

132/145

2

Rated frequency

Hz

50

3

Rated current

A

3150

4

Rated short-circuit breaking current

kA

40

5

Rated short-circuit makeup current (peak)

kA

100

6

Rated peak withstand current

kA

100

7

Rated short-time withstand current

kA

40

8

Rated short-circuit duration

s

4

9

Electrical life

times

20

10

Rated power frequency withstand voltage

Over earth, between phases

kV

245

Between fractures

kV

315

11

Rated lightning pulse withstand voltage

Over earth,between phses

kV

650

Between fractures

kV

750

12

Rated out-of-step breaking current

kA

10

13

Rated circuit charging breaking current

A

31.5

14

Near-field fault breaking current

kA

36.30

15

Main loop resistance

µΩ

40

16

Mechanical life

times

10000

17

Rated pressure of SF6 (Guage at 20)

Mpa

0.6

18

Alarming purssure of SF6 (Guage at 20)

Mpa

0.55

19

Locking purssure of SF6 (Guage at 20)

Mpa

0.5

20

Creepage distance

mm

3625

21

Rated operation squence

0-0.3s-CO-180s-CO

22

Radio interference level

µ V

500

23

Yearly leakage rate of SF6

%

1%

24

Water content of SF6

Ppm

150

25

Mass of SF6 for each circuit breaker

Kg

10

26

Mass of each circuit breaker

Kg

2000

27

Break-break force (downward)

N

25000

28

Close-brake force (upward)

N

15000