Analysis and control of a single-phase-inverter-zigzag-transformer hybrid neutral-current suppressor in three-phase four-wire systems

被引：40

作者：

Choi, Sewan ^{[1
]}

Jang, Minsoo ^{[1
]}

机构：

[1] Seoul Natl Univ Technol, Dept Control & Instrumentat Engn, Seoul 139743, South Korea

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2007年 / 54卷 / 04期

关键词：

active filter; neutral current; three-phase four-wire; zero-sequence; zigzag transformer;

D O I：

10.1109/TIE.2007.899831

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 paper presents analysis and control of a hybrid filter that can suppress neutral harmonic currents in three-phase four-wire systems not only with harmonic voltage-source loads but also with harmonic current-source loads. The filter voltampere rating is significantly reduced compared to the conventional neutral-current-suppressing methods. The rectifier part of the neutral harmonic suppressor has been removed by controlling the dc capacitor voltage. The experimental results on a 50-kVA prototype validate the proposed control approach.

引用

页码：2201 / 2208

页数：8

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