A transformerless energy storage system based on a cascade multilevel PWM converter with star configuration

被引：223

作者：

Maharjan, Laxman ^{[1
]}

Inoue, Shigenori ^{[1
]}

Akagi, Hirofumi ^{[1
]}

机构：

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

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2008年 / 44卷 / 05期

关键词：

active-power control; cascade multilevel pulsewidth-modulation (PWM) converter; electric double-layer capacitor (EDLC); energy storage system; output-power leveling; renewable energy sources; voltage-balancing control;

D O I：

10.1109/TIA.2008.2002180

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper describes a transformerless energy storage system based on a cascade multilevel pulsewidth modulation converter with star configuration. The system is intended for power leveling of renewable energy sources, as well as for improving power quality and reliability of a power distribution system. This paper pays attention to active-power control and voltage-balancing control that are indispensable for proper operation of the energy storage system. A 200-V 10-kW 8.8-kJ downscaled laboratory system is designed, constructed, and tested, replacing electric double-layer capacitors with large-capacity electrolytic capacitors. Experimental results obtained from the laboratory system verify the viability and effectiveness of the 6.6-kV energy storage system.

引用

页码：1621 / 1630

页数：10

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