Item NO. | Name | Unit | Technical parameters |
Load break switch panel |
1 | Rated Voltage Un | kV | 12 | 24 | 36 |
2 | Rated Frequency | Hz | 50 | 50 | 50 |
3 | Rated Current | A | 630 | 630 | 630 |
4 | Rated Load Breaking Current | A | 630 | 630 | 630 |
5 | Rated Short Time Withstand Current(rms) | kA | 20 | 20 | 20 |
6 | Rated Short Time Duration | s | 3 | 3 | 3 |
7 | Rated Peak Withstand Current | kA | 50 | 50 | 50 |
8 | Rated Closed Switch - Off Current | A | 630 | 630 | 630 |
9 | Rated Cable Charging Breaking Current | A | 10 | 10 | 10 |
10 | Rated Active Load Breaking Current | A | 630 | 630 | 630 |
13 | Earthing Switch 2s Short Time Withstand Current | kA | 20 | 20 | 20 |
14 | Rated Short-Circuit Current Making Times | times | 2 | 2 | 2 |
15 | Rated Current Breaking Times | times | 10 | 10 | 10 |
16 | Mechanical Endurance | Load Break Switch | times | 3000 | 3000 | 3000 |
Earthing Switch | times | 2000 | 2000 | 2000 |
17 | SF6 gas anual leakage rate≤ | | /year | 0.10% | 0.10% | 0.10% |
18 | Rated Insulation Level | Unit | Technical parameters |
1min Power Frequency withstand voltage(rms) | On isolating distance | kV | 48 | 60 | 110 |
Phase to Phase | kV | 42 | 50 | 85 |
Phase to Earth | kV | 42 | 50 | 85 |
Lightning impulse withstand voltage(peak) | On isolating distance | kV | 85 | 145 | 215 |
Phase to Phase | kV | 75 | 125 | 185 |
Phase to Earth | kV | 75 | 125 | 185 |