A new approach of dead-time compensation for PWM voltage inverters

被引：53
|
作者：
Lin, JL [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Engn Sci, Tainan 701, Taiwan
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2002年 / 49卷 / 04期
关键词：
dead-time compensation; PWM voltage inverters; systematic approach;
D O I：
10.1109/81.995662
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：
It is essential to insert a switching delay time in sinusoidal pulsewidth modulation (PWM) voltage-fed inverters to prevent a short circuit in the dc link. This causes well known dead-time effect which is detrimental to the performance of the output voltages. Many compensation schemes were proposed to overcome the drawbacks. In this paper, based on a systematic approach, a new approach to accurately compensate the dead-time effect is presented. The system analysis and compensation synthesis are straightforward without averaging the output voltage deviation. The model of the PWM voltage inverter with time delay circuit leads us to a systematic approach of compensation. The simulation responses and experimental results show the validity of the analysis and verify the effectiveness of the proposed compensation method.
引用
收藏
页码：476 / 483
页数：8
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