A single-phase high-power-factor neutral-pointer clamped multilevel rectifier

被引：0
|
作者：
Xu, Yun [1 ]
Zou, Yunping [1 ]
Wang, Chengzhi [1 ]
Chen, Wei [1 ]
Liu, Bangyin [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Power Elect Res Ctr, Coll Elect & Elect Engn, Wuhan 430074, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND DRIVE SYSTEMS, VOLS 1-4 | 2007年
关键词：
multilevel rectifier; neutral-pointer; clamped; high-power-factor; voltage balance control;
D O I：
暂无
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：
A single-phase rectifier based on neutral-clamped converter (NPC) is proposed to achieve high power factor, lower current distortion and low voltage stress of power semiconductors. The principle of single-phase three-level PWM rectifier is introduced. Neutral-point balance problem is an inherent problem of three-level converter, so a bangbang control method is schemed to control the capacities' voltage. A dual close-loop control is used to make the rectifier have favorable dynamic and steady state performance, sinusoidal input current and unity power factor. Finally, the feasibility and validity of the proposed control scheme and neutral-point voltage control scheme are verified through the simulation using MATLAB.
引用
收藏
页码：1636 / 1640
页数：5
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