A closed-loop selective harmonic compensation for active filters

被引：339

作者：

Mattavelli, P ^{[1
]}

机构：

[1] Univ Padua, Dept Elect Engn, I-35131 Padua, Italy

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2001年 / 37卷 / 01期

关键词：

active filters; current control; harmonic filtering; pulsewidth-modulated power converters;

D O I：

10.1109/28.903130

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a control algorithm for parallel active power filters, based on current-controlled pulsewidth-modulated converters, which allows precise compensation of selected harmonic currents produced by distorting loads. The approach is based on the measurement of line currents and performs the compensation of the selected harmonics using closed-loop synchronous frame controllers. Thanks to the closed-loop operation, full compensation of the desired harmonics is achieved even in the presence of a significant delay in the current control. Thanks to the selective approach, active filter interactions with possible dynamic components of the load are minimized. Moreover, the complexity of the synchronous frame controllers is overcome using equivalent stationary frame controllers. Experimental results confirm the theoretical expectations.

引用

页码：81 / 89

页数：9

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