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| Study on 10kV quick vacuum circuit breaker of double opening and closing coil |
| Liu Shufeng1, Wu Gang1, Liu Haibo2, Wang Hao1, Li Congge3 |
1. State Grid East Inner Mongolia Electric Power Company Limited, Chifeng 024000;
2. State Grid Easten Inner Mongolia Power Company, Hohhot 010020;
3. Sifang & Huaneng Power System Control Co., Ltd, Beijing 100085; |
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Abstract This paper analyzes the present research status of vacuum circuit breaker, and points out the low reliability of the existing vacuum circuit breaker with single opening and closing coil, and puts forward a new structure of fast vacuum circuit breaker with 10kV double opening and closing coil. This type of circuit breaker has two separate opening and closing coils, which acts on the metal disc of the circuit breaker, and ensures the reliability of the breaking. Then, the electromagnetic repulsion force of the metal disc of the circuit breaker is analyzed mathematically.
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Received: 07 December 2017
Published: 19 June 2018
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| Cite this article: |
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Liu Shufeng,Wu Gang,Liu Haibo等. Study on 10kV quick vacuum circuit breaker of double opening and closing coil[J]. Electrical Engineering, 2018, 19(6): 61-64.
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| URL: |
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http://dqjs.cesmedia.cn/EN/Y2018/V19/I6/61
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2018, Vol. 19 
