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ZHW6-40.5 hybrid gas-insulated switchgear

Model Name: ZHW6-40.5 hybrid gas-insulated switchgear

Product Category: GIS

Product Introduction

Features:

Disconnector/earthing switch three-position structure.

Compact design, small land area.

Aluminum alloy enclosure, anti-corrosive, light weight.

Bushing-type current transformers, easy in installation, maintenance and capacity expansion.

Main technical data:

No

Item

unit

Technical data

1

Rated voltage

kV

40.5

2

ated frequency

Hz

50

3

Rated current

A

125016002000250031504000

4

Rated short time withstand current4s

kA

40

5

Rated peak withstand current

kA

100

6

Rated short time power frequency withstand voltage, between phases and to earth

kV

95

7

Rated short time power frequency withstand voltage, Across isolating distance

kV

118

8

Rated lightning impulse withstand voltage, between phases and to earth

kV

185

9

Rated lightning impulse withstand voltage, Across isolating distance

kV

215

10

Power frequency withstand voltage on control and auxiliary circuit 1min

kV

2

11

SF6 gas pressure Gauge pressure, at 20Rated pressure

MPa

0.5

12

SF6 gas pressure Gauge pressure, at 20Alarm pressure

MPa

0.45

13

SF6 gas pressure Gauge pressure, at 20Lock-out pressure

MPa

0.4

14

SF6 gas annual leakage 

%

≤0.5