Some system design considerations for a high switching frequency PWM inverter

被引:1
|
作者
Kumar, R. [1 ]
Manjunath, H. V. [1 ]
机构
[1] BITS, EEE Grp, Pilani 333031, Rajasthan, India
关键词
voltage source inverter; SPWM; low order harmonics; high switching frequency; output distortion;
D O I
10.1080/00207210701751212
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
A sinusoidal PWM inverter is required to faithfully reproduce the control waveforms at the output with minimum distortion. This paper presents some design considerations for such an inverter. The choice of switching frequency is the main criterion which affects the output voltage harmonic distortion at high switching frequencies. This paper shows that there exists an optimum switching frequency above which the output harmonic distortion becomes more visible. The dead time generator circuit for a low cost inverter and effect of driver circuits on the output waveform are discussed. Experimental results from laboratory models are presented.
引用
收藏
页码:1047 / 1058
页数:12
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