Research on a Novel Current Control Strategy for Active Power Filter

被引:0
|
作者
Chen Gang [1 ,3 ]
Wang Yi-jun [2 ]
Wu Wei-biao [2 ]
Yu Jing-rong [2 ]
机构
[1] Wuhan Univ Technol, Sch Informat Engn, Wuhan 430070, Peoples R China
[2] Cent South Univ, Sch Informat Sci & Engn, Changsha 410083, Peoples R China
[3] Changsha Weisheng Energy Ind Technol Co Ltd, Changsha 410013, Hunan, Peoples R China
关键词
current control strategy; APF; P-SSI; dynamic harmonic compensation;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In this paper, a proportional sinusoidal signal integrator (P-SSI) of the current compensation control strategy for Active Power Filter(APF) is proposed. Since harmonic current of power system are mostly (6k +/- 1) orders with (k=1,2,3 ...), reference current generator based on adaptive cancelling algorithm with LMS method is designed, and two orders of positive sequence and negative sequence harmonic current can be tracked with only one of the proposed controller. To reduce the amount of calculation, the compound P-SSI current control strategy has been presented in the rotating coordinate system. In order to test the compensation effect of the control strategy under different load conditions, the nonlinear three-phase rectifier load is employed, and loads with the inductors and capacitors are analyzed respectively. Simulation results verify the feasibility and correctness of the proposed current control strategy.
引用
收藏
页数:4
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