Soft-switching PWM three-level converters

被引：156
|
作者：
Ruan, XB [1 ]
Zhou, LQ [1 ]
Yan, YG [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Aeropower Sci Tech Ctr, Coll Automat Engn, Nanjing 210016, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2001年 / 16卷 / 05期
关键词：
modulation strategy; pulse-width-modulation; soft-switching; three-level converter;
D O I：
10.1109/63.949494
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 proposes a family of modulation strategies for PWM three-level (TL) converters. The modulation strategies can be classified into two kinds according to the turn-off sequence of the two switches of the pair of switches. The concept of the leading switches and the lagging switches is introduced to realize soft-switching for PWM TL converters. The realization of soft-switching for both the leading switches and the lagging switches is proposed, based on which, soft-switching PWM TL converters can be classified into two kinds: zero-voltage-switching (ZVS) and zero-voltage and zero-current-switching (ZVZCS), for which the suitable modulation strategies are pointed out respectively from the family of modulation strategies. A novel ZVZCS TL converter is proposed, its operation principle and parameter design are analyzed, and the experimental results are included also.
引用
收藏
页码：612 / 622
页数：11
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