A reduced-rating hybrid filter to suppress neutral current harmonics in three-phase four-wire systems

被引：23
|
作者：
Choi, SW [1 ]
Jang, M [1 ]
机构：
[1] Seoul Natl Univ Technol, Dept Control & Instrumentat Engn, Seoul 139743, South Korea
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2004年 / 51卷 / 04期
关键词：
harmonic suppressor; neutral current; three-phase four-wire; unbalanced;
D O I：
10.1109/TIE.2004.831765
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This letter proposes a reduced-rating hybrid filter to suppress neutral current harmonies in three-phase four-wire systems. Under unbalanced loading, the proposed filter eliminates only harmonics in the neutral current while it does not affect the fundamental. The VA rating of the inverter is significantly reduced compared to the conventional one since only fundamental current due to unbalanced loading could flow through the inverter switch.
引用
收藏
页码：927 / 930
页数：4
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