Abstract
Because of great harmfulness of greenhouse effect, SF6 gas has to be limited, and it is necessary to develop high voltage vacuum circuit breaker to replace SF6circuit breaker. A key technology is insulating characteristic of vacuum interrupter. For 72.5 kV vacuum interrupter, impulse voltage test is carried out to find out influential factors on its insulating performance and insulating structure is improved. As a result, a design of 126 kV vacuum interrupter is presented and electric field distribution is calculated. Based on statistical property of breakdown in high voltage vacuum interrupter, its voltage withstand capability is analyzed.
| Original language | English |
|---|---|
| Pages (from-to) | 6-8+18 |
| Journal | Gaodianya Jishu/High Voltage Engineering |
| Volume | 31 |
| Issue number | 6 |
| State | Published - Jun 2005 |
Keywords
- High voltage
- Insulating structure
- Vacuum interrupter
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