The analysis and Compensation of dead-time effects in three phase PWM inverters

被引：0
|
作者：
Ben-Brahim, L [1 ]
机构：
[1] Univ Qatar, Fac Technol, Doha, Qatar
来源：
IECON '98 - PROCEEDINGS OF THE 24TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-4 | 1998年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The switching lag-time, which prevents the phase shortage of inverter arms, causes serious distortions of the output voltage of the inverter. This effect is well known as dead-time effect. Several compensation methods were proposed to improve the output waveforms. These proposed approaches did improve the inverter's output voltage waveforms. The improved waveforms however still stiffer from the zero-crossing phenomenon. A new approach to overcome the zero current clamping in Voltage-fed PWM inverters is proposed. This paper describes the analysis of dead-time effect in three phases PWM inverters and the proposed scheme. The conventional compensation methods as well as the zero crossing problem are highlighted. Theoretical analysis and digital simulation were carried out to verify the analysis and the proposed scheme for dead time compensation.
引用
收藏
页码：792 / 797
页数：6
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