电磁斥力机构的参数匹配与优化设计

doi:10.19595/j.cnki.1000-6753.tces.171123

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Abstract The ultra-fast mechanical switch driven by electromagnetic repulsion mechanism (ERM) is the key equipment in direct current circuit breaker (DCCB). This paper is focused on researches on the parameters matching of ERM and its optimal design. First, with the metal disk in ERM equivalent to a single-turn coil, the mathematical model of ERM based on equivalent circuit method is simplified. Experiments on the 40.5 kV ultra-fast vacuum switch prototype developed in the Lab. have been carried out, and the test results have shown that the simplified mathematical model of ERM is efficient. Then, based on the simplified mathematical model, the parameters matching characteristics are studied, and three independent parameters that have direct effects on drive characteristics of ERM have been extracted. In the end, by taking the reliability and the cost of ERM into consideration, parameters matching rules of EMR have been proposed, and a novel fast and effective optimal design method of ERM is developed in this paper.

Key words： Electromagnetic repulsion mechanism fast switch parameters matching optimal design

Received: 01 August 2017 Published: 14 September 2018

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TM561

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	Articles by authors
	Wen Weijie
	Li Bin
	Li Botong
	Huang Yulong
	Jia Yini

Cite this article:

Wen Weijie,Li Bin,Li Botong等. Parameters Matching and Optimal Design of the Electromagnetic Repulsion Mechanism[J]. Transactions of China Electrotechnical Society, 2018, 33(17): 4102-4112.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.171123 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I17/4102

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