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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (2 ): 23-    DOI: 10.1631/jzus.2006.A0263
    
Novel control scheme for 3-phase PWM current-source converters under unbalanced source voltage conditions
Li Yu-ling, Lou Zhen-li, Zhang Zhong-chao
School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  Under unbalanced source voltage supply, considerable output second harmonics and input low-order harmonics in 3-phase PWM current-source converters (PWM-CSC) are generated. This paper proposes a new deadbeat controller based on compensation for unbalanced source voltage and current. With the proposed scheme, the second harmonics of the output current are eliminated and low-order harmonics of the source current are reduced effectively. Simulation and experimental results confirmed the feasibility of the proposed method.

Key words： PWM current-source converters (PWM-CSC)      Unbalanced source voltage conditions      Deadbeat control     
Received: 10 January 2005     
CLC:  TM464  
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Li Yu-ling
Lou Zhen-li
Zhang Zhong-chao
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Li Yu-ling, Lou Zhen-li, Zhang Zhong-chao. Novel control scheme for 3-phase PWM current-source converters under unbalanced source voltage conditions. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(2 ): 23-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A0263     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I2 /23

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