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		Shanxu DUAN,Bangyin LIU,Yong KANG,Jian CHEN.[en_title][J].Control Theory and Technology,2004,2(2):121~125.[Copy]

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ShanxuDUAN,BangyinLIU,YongKANG,JianCHEN
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Received:June 21, 2003Revised:December 16, 2003

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Repetitive PD control strategy with inverse transfer function compensation for CVCF inverter

Shanxu DUAN, Bangyin LIU, Yong KANG, Jian CHEN

(College of Electrical and Electronics Engineering, Huazhong University of Science & Technology, Wuhan Hubei 430074,China)

Abstract:

A novel repetitive control strategy for the output waveform of single-phase CVCF inverters is presented,In this scheme, the inverse transfer function of inverter is used as a compensator to obtain stable and satisfy harmonic rejection. Besides, PD controller is adopted to improve transient performance. Simulation and experimental results, which are gotten from a DSPbased 400Hz, 5.5KW inverter, indicate that the proposed control scheme can achieve not only low THD during steady-state operation but also fast transient response during load step change.

Key words: Inverter Inverse transfer function Repetitive control PD control