Analysis of Output Current-Ripple RMS in Multiphase Drives Using Polygon Approach

被引：53
作者：
Dujic, Drazen [1 ]
Jones, Martin [2 ]
Levi, Emil [2 ]
机构：
[1] ABB Corp Res Ctr, CH-5400 Baden, Switzerland
[2] Liverpool John Moores Univ, Sch Engn, Liverpool L3 3AF, Merseyside, England
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2010年 / 25卷 / 07期
关键词：
Harmonic distortion factor (HDF); multiphase drives; output current ripple; pulsewidth modulation (PWM); voltage-source inverters (VSIs); SPACE-VECTOR; HARMONIC DISTORTION; PWM; MODULATION;
D O I：
10.1109/TPEL.2010.2042969
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：
Multiphase variable-speed drives, supplied from two-level voltage-source inverters (VSIs), are currently considered for a number of industrial applications. Although various multiphase pulsewidth-modulated (PWM) schemes had been recently developed, very little has been reported with regard to the impact of these schemes on harmonic losses (current ripple). This paper presents a general analytical analysis and comparison of harmonic losses of two basic continuous PWM (CPWM) schemes aimed at sinusoidal output-voltage generation. The analysis utilizes the concept of multiple polygon connections, which exist for multiphase systems, and covers all multiphase topologies with an odd phase number and single neutral connection. General harmonic distortion factors (HDFs) of sinusoidal PWM (SPWM) and harmonic injection PWM (HIPWM) are determined and compared for various phase numbers. Theoretical findings are verified by means of simulations and experimentally using a five-phase induction motor drive.
引用
收藏
页码：1838 / 1849
页数：12
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