Multi-random PWM inverter with fixed switching frequency

被引：1
|
作者：
Chen, JF [1 ]
Shyu, JL [1 ]
Liang, TJ [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 701, Taiwan
来源：
JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS | 2003年 / 26卷 / 03期
关键词：
pulse width modulation(PWM); random PWM; inverter;
D O I：
10.1080/02533839.2003.9670783
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel multi-random pulse width modulation (MRPWM) technique for improving the spectrum performance of an inverter is analyzed. MRPWM combines a new random time-shift PWM scheme and a random pulse position PWM scheme, both driven at the same fixed switching frequency. Theoretical analysis of MRPWM is presented. Also, the output characteristics of various random pulse width PWM schemes are evaluated and compared. Finally, computer simulation results and experimental results are presented, confirming the theoretical predictions that the proposed MRPWM method offers better performance than single random PWM (SRPWM) schemes.
引用
收藏
页码：309 / 320
页数：12
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