A novel droop method for converter parallel operation

被引:233
作者
Kim, JW [1 ]
Choi, HS
Cho, BH
机构
[1] Fairchild Korea Semicond, Puchon 420711, Kyonggi, South Korea
[2] Seoul Natl Univ, Sch Elect Engn, Seoul 151742, South Korea
关键词
converter parallel operation; current sharing; droop method; sample and hold;
D O I
10.1109/63.988666
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
For the converter parallel operation, the current sharing between modules is important for the reliability of the system. Among several current sharing schemes, the droop method needs no interconnection between modules, which implies true redundancy. But the droop method has poor voltage regulation and poor current sharing characteristics. In this paper, a novel droop method is proposed for the converter parallel operation, which adaptively controls the reference voltage of each module. This greatly improves the output voltage regulation and the current sharing of the conventional droop method. The analysis of the proposed method and design procedure are provided and experimental results verify the excellent performance of the proposed method.
引用
收藏
页码:25 / 32
页数:8
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