开关磁阻电机共上管功率变换器的宽转速安全退磁控制策略

doi:10.19595/j.cnki.1000-6753.tces.181007

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Abstract The common upper switch power converter for even phase switched reluctance motor can effectively reduce the number of power switch devices and the cost of system. It also inherits the advantages of the asymmetrical bridge converter, such as phase independence and fast excitation. However, the existence of common upper switch makes it difficult for each phase to demagnetization. In this paper, based on the common upper switch power converter of four phase 8/6 switched reluctance motor, the angle control optimal strategy of safe demagnetization for current chop control and angle position control is studied. The theory derives the critical commutation width while current chop control and angle position control, in order to operate the system efficiently and reliably in a wide speed range. Simulation and experiment results confirm the validity of the control strategy.

Key words： Common upper switch multi-phase switched reluctance motor safe demagnetization angle control optimal strategy

Received: 11 June 2018 Published: 12 October 2019

PACS:

TM352

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	Chen Hui
	Zhang Yangming
	Jiang Dongqing
	Guan Minjun
	Liu Chuang

Cite this article:

Chen Hui,Zhang Yangming,Jiang Dongqing等. Safe Demagnetization Control Strategy for Switched Reluctance Motor with Common Upper Switch Power Converter During Wide Speed Range[J]. Transactions of China Electrotechnical Society, 2019, 34(19): 3979-3988.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181007 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I19/3979

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