Type: | High-voltage |
---|---|
Structure: | Three-column Disconnector |
Installation: | Outdoor High-voltage |
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Parameter Table | ||||||
Items | Technical parameter | |||||
No | Type | GW9-10 | GW9-15 | GW9-20 | ||
1 | Rated Voltage kV | 10 | 15 | 20 | ||
2 | Max working voltage kV | 12 | 17.5 | 24 | ||
3 | Rated frequency Hz | 50 | ||||
Rated current A | 400 | 630 | 1250 | |||
4 | Rated Short Time withstand current and Time kA/s | 20/4 | 25/4 | 31.5/4 | ||
5 | Rated Peak withstand current kA | 50 | 63 | 80 | ||
6 | 1min power frequency withstand voltage (effective value) kV | To earth | 42 | 45 | 65 | |
To phase | 53 | 55 | 79 | |||
7 | Lightning Impulse wishstand voltage(peak value) KV | To earth | 75 | 105 | 125 | |
To phase | 85 | 120 | 145 |