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A novel recursive integral PI repetitive control for three-phase three-wire shunt Active Power Filter

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5 Author(s)
Wei Huang ; Center of Electr. & Electron. Technol., Shanghai Jiao Tong Univ., Shanghai, China ; Lidan Zhou ; Lixue Li ; Yihui Zheng
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Active Power Filter (APF) has been widely used to compensate the harmonic currents which are generated by the nonlinear load. Its compensation performance mainly depends on the design of controller. In this paper, a novel control method based on recursive integral PI algorithm and repetitive control strategy has been proposed. Compared with traditional PI control which can not get zero-steady-state error of output current due to its bandwidth limitation, this approach guarantees the steady-state accuracy with its embedded repetitive control, and improves the dynamic response performance of the APF system by its recursive integral PI algorithm. Moreover, it is more appropriate for digital signal processor implementation. The validity of the proposed method that the filtering performance is improved obviously is demonstrated by simulation analysis.

Published in:

Industrial Electronics and Applications (ICIEA), 2011 6th IEEE Conference on

Date of Conference:

21-23 June 2011