抑制电气化铁路低频振荡的四象限变流器控制方法

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Abstract

The suppression method of low frequency oscillation phenomenon in the electrified railway caused by that four quadrant converter of train and the traction power supply system do not match is proposed in this paper.First,the main circuit and the transient current control strategy of four quadrant converter were introduced.Then,on the basis of the linear closed loop transfer function of the four quadrant converter,the stability analysis of the train and network coupling system was carried out,the mechanism of low frequency oscillation was studied.Based on the analysis results,adopting the idea of changing system damping,the corresponding suppression method and the active damping compensation measures were put forward,and the theoretical analysis was carried out.The correctness of the control method is verified by multi vehicle simulation model.The theoretical analysis results were verified by the small power experiment platform.

Key words： Electrified railway low frequency oscillation four quadrant converter active damping

Received: 20 August 2016 Published: 23 March 2017

PACS:

TM712

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	Liu Shihui
	Lin Fei Yang
	Zhongping Lian
	Qiaona
	Zhang Runze

Cite this article:

Liu Shihui,Lin Fei Yang,Zhongping Lian等. Four Quadrant Converter Control Method for Suppressing Low Frequency Oscillation of Electrified Railway[J]. Transactions of China Electrotechnical Society, 2016, 31(增刊2): 76-83.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I增刊2/76

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