Harmonic Analysis of Advanced Bus-Clamping PWM Techniques

被引：68

作者：

Bhavsar, Tushar ^{[1
]}

Narayanan, G. ^{[1
]}

机构：

[1] Indian Inst Sci, Dept Elect Engn, Bangalore 560012, Karnataka, India

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2009年 / 24卷 / 10期

关键词：

Harmonic analysis; harmonic distortion; induction motor drive; pulsewidth modulation (PWM); space vector PWM; voltage-source inverter (VSI); CURRENT RIPPLE; MODULATION; DRIVES; ELIMINATION;

D O I：

10.1109/TPEL.2009.2013492

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：

Special switching sequences can be employed in space-vector-based generation of pulsewidth-modulated (PWM) waveforms for voltage-source inverters. These sequences involve switching a phase twice, switching the second phase once, and clamping the third phase in a subcycle. Advanced bus-clamping PWM (ABCPWM) techniques have been proposed recently that employ such switching sequences. This letter studies the spectral properties of the waveforms produced by these PWM techniques. Further, analytical closed-form expressions are derived for the total rms harmonic distortion due to these techniques. It is shown that the ABCPWM techniques lead to lower distortion than conventional space vector PWM and discontinuous PWM at higher modulation indexes. The findings are validated on a 2.2-kW constant V/f induction motor drive and also on a 100-kW motor drive.

引用

页码：2347 / 2352

页数：6

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