基于瞬时电流直接控制的有源电力滤波器电流跟踪新方法

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Abstract Principal theory of the direct transient current control method used for active power filter (APF) is described firstly, and based on which, a novel PWM current tracking control algorithm is proposed. By analyzing the direct control action of different switching states on the transient current, a set of current displacement factors are derived. The different current displacement factors and their action time are selected when the output current needs to be regulated. The control objective of output current tracking the command transient current value is achieved by transiting the transient current to the command value. The proposed method is simple and easy to use, and the quick measurement and control for the APF can be realized by one single digital signal proceeing(DSP) system. Also, the output inductance is reduced. Finally, the validity of the new method is proved by simulation results of a two-level, and more advantages are shown.

Key words： Active power filter direct transient current control pulse width modulation current displacement factor

Received: 07 December 2011 Published: 20 March 2014

PACS:

TM464

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	Articles by authors
	Yin Chunjie
	Zhang Chenghui
	Chen Alian
	Wang xin
	Liu Zhen

Cite this article:

Yin Chunjie,Zhang Chenghui,Chen Alian等. A Novel Current Tracking Method for Active Power Filter Based on Direct Transient Current Control[J]. Transactions of China Electrotechnical Society, 2012, 27(4): 117-122.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I4/117

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