A Transformerless Hybrid Active Filter Using a Three-Level PWM Converter for a Medium-Voltage Motor Drive

被引：0

作者：

Akagi, Hirofumi ^{[1
]}

Kondo, Ryota ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo, Japan

来源：

2009 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION, VOLS 1-6 | 2009年

关键词：

Active filters; harmonic mitigation; hybrid filters; motor drives; passive filters; POWER-SYSTEMS; HARMONIC COMPENSATION; MODULATION INDEX; DIODE RECTIFIER; INVERTER; PERFORMANCE; VECTOR;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents a transformerless hybrid active filter integrated into a medium-voltage motor drive for energy savings. This hybrid filter is intended for harmonic-current mitigation of the three-phase diode rectifier used as the front end of the motor drive. It consists of a passive filter tuned to the seventh-harmonic frequency and an active filter using a three-level PWM converter. This paper makes a theoretical discussion on voltage-balancing control of two split dc capacitors of the active filter. An experimental system rated at 400 V and 15 kW is designed and constructed, which is scaled down from a 6.6-kV motor drive without regenerative braking. Experimental results verify that the hybrid filter has the capability of satisfactory harmonic filtering and stable voltage balancing in all the operating conditions.

引用

页码：1659 / 1666

页数：8

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