Dual randomized displacement zero vector pulse modulation for three-phase converters

被引：0

作者：

Yang, Lei ^{[1
]}

Shan, Chaolong ^{[1
]}

Xiao, Yujie ^{[1
]}

机构：

[1] College of Electrical and Information Engineering, Navy University of Engineering, Wuhan, Hubei

来源：

Advances in Information Sciences and Service Sciences | 2012年 / 4卷 / 16期

关键词：

Dual randomized modulation; Electromagnetic interference; Harmonic peak;

D O I：

10.4156/AISS.vol4.issue16.55

中图分类号：

学科分类号：

摘要：

Random pulse width modulation techniques result in spread power spectra of static power converters, with positive effects on the operation of the supplied electromechanical systems. This paper presents dual random displacement zero vector pulse modulation (DRDZPM), the method has four random variables, and keep the sampling frequency and switching frequency fixed. The correctness and feasibility of the method has been verified by the MATLAB simulation and experimented on the DSP of TMS320F28335. Simulation and experimental results show that this method can effectively reduce harmonic peak of three-phase converters at switching frequency, make the harmonic of output phase voltage and line current more spread over a wide range of frequency band, improve electromagnetic interference of the system. The proposed method is effective.

引用

页码：471 / 478

页数：7

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