Integration of Minimum-Voltage Active-Clamping to Three-Phase Four-Wire Rectifiers with a Balancing Leg

被引：0
|
作者：
Zhao, An [1 ]
Huang, Yangtao [1 ]
Shi, Keyan [1 ]
Deng, Jinyi [1 ]
Hu, Changsheng [1 ]
Xu, Dehong [1 ]
机构：
[1] Zhejiang Univ, Inst Power Elect, Hangzhou 310027, Peoples R China
来源：
2019 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2019年
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
PWM rectifier; Zero-Voltage-Switching; three-phase four-wire four-Leg rectifier;
D O I：
10.1109/ecce.2019.8911884
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：
Three-phase four-wire rectifiers with a balancing leg are often used as front-end converters in uninterruptible power supplies (UPS). The integration of minimum-voltage active-clamping (MVAC) to these rectifiers is proposed. With the proposed Zero-Voltage-Switching Sinusoidal PWM (ZVS-SPWM) scheme, ZVS operation for all power semiconductor devices of the rectifier are realized. The ZVS conditions under balanced and unbalanced load are derived. Then voltage and current stress of switching devices and auxiliary circuit are compared with the compound-active-clamping (CAC) three-phase four-wire rectifier. Finally, the proposed circuit and its control scheme are verified with a 10kW experiment prototype.
引用
收藏
页码：2148 / 2155
页数：8
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