Dead-time elimination method of nine-switch converter

被引：13
|
作者：
Gao, Feng [1 ]
Tian, Hao [1 ]
Li, Nan [1 ]
机构：
[1] Shandong Univ, Key Lab Power Syst Intelligent Dispatch & Control, Minist Educ, Jinan 250061, Peoples R China
来源：
IET POWER ELECTRONICS | 2014年 / 7卷 / 07期
基金：
中国国家自然科学基金;
关键词：
switching convertors; dead-time elimination method; nine-switch converter; unidirectional conduction characteristics; switching cells; switching signal transformation method; Matlab simulations; modulation scheme; COMPENSATION METHOD; INVERTERS; MODULATION; SYSTEMS; DRIVES;
D O I：
10.1049/iet-pel.2013.0556
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 study presents a novel dead-time elimination method for operating nine-switch converter. The proposed method assumes the unique switching cells of nine-switch converter to operate under several subintervals divided during a fundamental period. Owing to the unidirectional conduction characteristics of switching cells, the nine-switch converter can operate without dead-time protection. Besides, for a special subinterval during which none of switching cells can be adopted, a novel switching signal transformation method is proposed to fully eliminate the dead-time protection during the operation of nine-switch converter. Matlab simulations and experimental results verify the effectiveness of proposed modulation scheme.
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页码：1759 / 1769
页数：11
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