基于电磁斥力型开断器的限流熔断器设计与实验

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Abstract High speed current limiting fuse is widely commercially applied in current limiting technique. The isolator of high speed current limiting fuse utilizes the detonate explode to interrupt current. However,the detonate has some disadvantages,such as easily decompose,worse heat-resistant,insecurity and more cost. According to the above disadvantages of detonate isolator,the existing current limiting fuse is improving the design and a novel current limiting fuse based on electro-magnetic repulsion isolator which is used as a substitute for detonate isolator to interrupt current is introduced. A DC320V/3kA current limiting fuse prototype is designed and analyzed. The velocity measuring test and temperature rise test of isolator are carried out and the test results show that electro-magnetic repulsion isolator realized the similar characteristics as primary detonate isolator. The results of short-circuit test with prospective peak current 25kA and time constant 4.17ms show that the novel current limiting fuse is feasible and effective.

Key words： Electro-magnetic repulsion isolator current limiting fuse(CLF) arc-triggering DC

Received: 17 July 2012 Published: 11 December 2013

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TM471

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	Wang Chen
	Zhuang Jinwu
	Yuan Zhifang
	Zhang Chao
	Chen Bo
	Jiang Zhuang

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Wang Chen,Zhuang Jinwu,Yuan Zhifang等. Design and Test of High Speed Current Limiting Fuse Based on Electro-Magnetic Repulsion Type Isolator[J]. Transactions of China Electrotechnical Society, 2013, 28(7): 66-72.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I7/66

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