ZHW6-40.5 hybrid gas-insulated switchgear
Model Name: ZHW6-40.5 hybrid gas-insulated switchgear
Product Category: GIS
Features:
⑴Disconnector/earthing switch three-position structure.
⑵Compact design, small land area.
⑶Aluminum alloy enclosure, anti-corrosive, light weight.
⑷Bushing-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 | 1250、1600、2000、2500、3150、4000 |
4 | Rated short time withstand current（4s） | 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 20℃）Rated pressure | MPa | 0.5 |
12 | SF6 gas pressure （Gauge pressure, at 20℃）Alarm pressure | MPa | 0.45 |
13 | SF6 gas pressure （Gauge pressure, at 20℃）Lock-out pressure | MPa | 0.4 |
14 | SF6 gas annual leakage | % | ≤0.5 |