大功率交流电力机车脉宽调制方法

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Abstract In this paper, the modulation strategy in the whole speed range of the high power AC electrical locomotive is researched based on the low switching frequency. In the low frequency- modulation ratio, a contral 60 degree modulation method is analysed and also the transition between different modulation methods or different frequence-modulation ratios. It realizes the smooth transition among asynchronous modulation, synchornous modulation, central 60 degree modulation and square wave modulation. The simulation and experiment resultsal prove the validity.

Key words： High power AC electrical locomotive Low switching frequency PWM Central 60 degree modulation

Received: 13 April 2010 Published: 19 March 2014

PACS:

U264.91

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	Articles by authors
	Wang Chenchen
	Zhou Minglei
	You Xiaojie

Cite this article:

Wang Chenchen,Zhou Minglei,You Xiaojie. Research on the PWM Method of High Power AC Electrical Locomotive[J]. Transactions of China Electrotechnical Society, 2012, 27(2): 173-178.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I2/173

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