Multicarrier PWM strategies for multilevel inverters

被引：487

作者：

McGrath, BP ^{[1
]}

Holmes, DG ^{[1
]}

机构：

[1] Monash Univ, Dept Elect & Comp Syst Engn, Clayton, Vic 3168, Australia

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2002年 / 49卷 / 04期

关键词：

analytic solutions; bipolar discontinuous pulsewidth modulation; cascaded; diode-clamped and hybrid multilevel inverters;

D O I：

10.1109/TIE.2002.801073

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Analytical solutions of pulsewidth-modulation (PWM) strategies for multilevel inverters are used to identify that alternative phase opposition disposition PWM for diode-clamped inverters produces the same harmonic performance as phase-shifted carrier PWM for cascaded inverters, and hybrid pwm for hybrid inverters, when the carrier frequencies are set to achieve the same number of inverter switch transitions over each fundamental cycle. Using this understanding, a PWM method is then developed for cascaded and hybrid inverters to achieve the same harmonic gains as phase disposition PWM achieves for diode-clamped inverters. Theoretical and experimental results are presented in the paper.

引用

页码：858 / 867

页数：10

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