Analysis and elimination method of the influence of supply voltage fluctuation on shunt active power filter dc-link voltage

被引:0
|
作者
Wu Longhui [1 ]
Zhuo Fang [1 ]
Zhang Pengbo [1 ]
Li Hongyu [1 ]
Wang Zhaoan [1 ]
机构
[1] Xi An Jiao Tong Univ, Sch Elect Engn, Shaanxi, Peoples R China
关键词
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Is there any influence of supply voltage fluctuation on the shunt active power filter? Few papers have discussed this problem. In this paper, based on the instantaneous power balance of shunt active power filter ac-side and dc-side, a small signal model of dc-link voltage control is derived. According to this small signal model, the influence of supply voltage fluctuation on dc-link voltage of shunt active power filter is analyzed in detail. And the conclusion is that the supply voltage fluctuation has influence on dc-link voltage of shunt active power filter. Then a feedforward control method of the supply voltage and the compensation current is proposed to eliminate the influence in this paper. Finally the experimental results also are given to demonstrate the conclusions.
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页码:629 / 633
页数:5
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