Low-distortion variable-level PWM technique

被引：9

作者：

Agelidis, VG ^{[1
]}

Goh, HC ^{[1
]}

机构：

[1] Curtin Univ Technol, Sch Elect & Comp Engn, Ctr Renewable Energy Syst Technol, Perth, WA 6845, Australia

来源：

IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS | 1998年 / 145卷 / 02期

关键词：

PWM technique; three-phase inverters;

D O I：

10.1049/ip-epa:19981640

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 multicarrier disposition pulse width modulation (PWM) technique that results in low harmonic distortion for a three-phase PWM inverter with a 5-level line-to-line output voltage waveform is discussed in the paper. Comparison with the conventional 5-level unipolar PWM technique for three-phase inverters reveals that the proposed strategy results in performance converter with minimised requirements since the amplitude of all harmonics is reduced. The resulting line-to-line voltage waveform has five levels at high and three levels at low amplitude modulation indexes (variable-level). Harmonic analysis is presented, along with simulated and experimental results to support the theoretical considerations.

引用

页码：73 / 78

页数：6

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