126kV SF₆-free Environmentally Friendly GIS

Project Name

Unit

Parameter Value

Rated voltage

kV

126

Rated current

A

2500

Rated short-circuit breaking current

kA

40

Rated short-time withstand current

kA

40 (4S)

Rated peak withstand current

kA

100

Effective value of rated power frequency withstand voltage

Interphase, to ground

kV

230

Fracture

230+73

Lightning impulse withstand voltage (peak)

Interphase, to ground

kV

550

Fracture

550+103

Mechanical life class

M 2 ( 1 0 0 0 0 times)

Rated short-circuit breaking current breaking times

Times

20

CO₂ inflation pressure (20 ℃)

Rating

MPa

0.8

Minimum working pressure

0.7

Applicable ambient temperature

-40 ℃ ~ +40 ℃

Applicable altitude

m

≤ 1000