A Neutral-Point Potential Control Method for Three-Level Inverters by Injecting Zero-sequence Voltage

被引：0
|
作者：
Zhou Jinghua [1 ]
Liu Huichen [1 ]
Zhang Xiaowei [1 ]
Li Zhengxi [1 ]
机构：
[1] N China Univ Technol, Power Elect & Motor Drives Engn Ctr, Beijing 100144, Peoples R China
来源：
IEEE PEDG 2010: THE 2ND INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS | 2010年
关键词：
three-level inverter; zero-sequence voltage; neutral-point potential control; the selection rule; PWM INVERTERS;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The imbalance of neutral-point potential is an internal problem with three-level inverters. To solve this problem, this paper proposes a novel neutral-point potential control method by injecting zero-sequence voltage, and gives the valid criteria for selecting which zero-sequence voltage to use. Simulations and experiments validate that the imbalance of neutral-point potential could be controlled effectively at various states of the inverter by using this method, and this control method is simple and easy and is robust.
引用
收藏
页码：309 / 313
页数：5
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