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

被引：119

作者：

Akagi, Hirofumi ^{[1
]}

Kondo, Ryota ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528552, Japan

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2010年 / 25卷 / 06期

关键词：

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

D O I：

10.1109/TPEL.2009.2040002

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：

This paper presents a transformerless hybrid active filter integrated into a medium-voltage motor drive for energy savings. This hybrid filter is intended for line harmonic-current mitigation of the three-phase diode rectifier used as the front end of themotor drive. It is based on direct connection of a passive filter tuned to the seventh-harmonic frequency in series with an active filter using a three-level pulsewidth modulated (PWM) converter. This paper provides a theoretical discussion on voltage-balancing control of two split dc capacitors of the active filter. The 400-V 15-kW motor drive system is designed, constructed, and tested, which can be considered as a downscaled model from a medium-voltage 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 load conditions.

引用

页码：1365 / 1374

页数：10

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