特定次谐波消除调制方式的谐波特性分析

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Abstract In high power occasions such as traction driving system of AC electrical locomotive, selected harmonic elimination pulse width modulation(SHEPWM) is widely used due to the limited highest switching frequency and harmonic performance of output voltage and current. In this paper, the harmonic voltage amplitudes of SHEPWM that are not eliminated are analyzed. Besides, taking induction machine as the load, the current harmonic and the resulted torque pulsation are also researched. Based on these analyses, the performance of SHEPWM can be estimated more clearly and designed basis can be provided for the filters that using SHEPWM.

Key words： Low switching frequency SHEPWM harmonic analysis torque pulsation

Received: 06 September 2012 Published: 25 March 2014

PACS:

U264.9

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	Articles by authors
	Zhou Minglei
	You Xiaojie
	Wang Chenchen
	Li Qiang

Cite this article:

Zhou Minglei,You Xiaojie,Wang Chenchen等. Harmonic Analysis of Selected Harmonic Elimination Pulse Width Modulation[J]. Transactions of China Electrotechnical Society, 2013, 28(9): 11-20.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I9/11

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