Analysis and Simplification of Three-Dimensional Space Vector PWM for Three-Phase Four-Leg Inverters

被引：106

作者：

Li, Xiangsheng ^{[1
]}

Deng, Zhiquan ^{[1
]}

Chen, Zhida ^{[2
]}

Fei, Qingzhao ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Aeropower Sci Tech Ctr, Nanjing 210016, Peoples R China

[2] Shanghai Aircraft Res Inst, Shanghai 200232, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Coordinates; discontinuous pulsewidth modulation (DPWM); on time; permutation; tetrahedron; CARRIER-BASED PWM; MODULATION; ALGORITHM; RECTIFIERS; CONVERTERS; 2-LEVEL; SCHEME; VSI;

D O I：

10.1109/TIE.2010.2046610

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The main objective of this paper is to simplify the implementation of continuous and discontinuous 3-D space vector pulsewidth modulations (SVPWMs). This paper analyzes the relationships, whether in abc or alpha beta 0 coordinates, between three-phase voltages and the following elements: the tetrahedron in which the reference vector resides, three adjacent active switching vectors (or three switching states), and their duration times. Based on the analysis, the calculation of the turn-on time of each switch in the actual implementation is simplified, and discontinuous PWM (DPWM) methods in three-leg inverters can be extended to four-leg inverters without the phase angle. In addition, two more DPWM methods that are peculiar to 3-D SVPWM are presented. This simplified algorithm does not use irrational operations or look-up tables, and it alleviates the computation burden of the processor. The simulation and experimental results are provided to validate the effectiveness of the proposed algorithm.

引用

页码：450 / 464

页数：15

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