Study of Analytical Current Ripple of Three-Phase PWM Converter

被引：0

作者：

Jiang, Dong ^{[1
]}

Wang, Fei ^{[1
]}

机构：

[1] Univ Tennessee, Min H Kao Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA

来源：

2012 TWENTY-SEVENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2012年

关键词：

VOLTAGE-SOURCE INVERTERS; CARRIER-BASED PWM; SPACE-VECTOR MODULATION; HARMONIC DISTORTION; SWITCHING RIPPLE; SCHEMES; SYSTEM; DRIVES;

D O I：

暂无

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：

The effects of the current ripple of three-phase PWM converters are very important for the design and control of this kind of converter, which is the most popular topology for the energy conversion system. Based on the previous study of single-phase converter's current ripple, analytical current ripple of three-phase converter is studied in this paper with the Thevenin equivalent circuit of 8 different voltage vectors. With the analytical expression, current ripple peak value and RMS value could be predicted and fit the simulation results and experimental results well. This analysis provides the basis for variable switching frequency PWM method discussed in the paper of "Variable Switching Frequency PWM for Three-phase Converter for Loss and EMI Improvement" in APEC 2012.

引用

页码：1568 / 1575

页数：8

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