A novel variable-frequency three-phase induction motor drive system using only three controlled switches

被引：24

作者：

Welchko, BA ^{[1
]}

Lipo, TA ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2001年 / 37卷 / 06期

基金：

美国国家科学基金会;

关键词：

induction machine; inverter; motor drive; three-switch; unipolar;

D O I：

10.1109/28.968186

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a novel variable-frequency motor drive system for a three-phase induction machine. In this drive system, the machine is excited by unidirectional stator currents shaped and sequenced such that a rotating air-gap flux is induced so that the machine can operate. Due to the unidirectional nature of the currents., an "inverter" that incorporates only three active, insulated-gate-bipolar-transistor-type switches, and three freewheeling diodes can synthesize them. The drive system requires an asymmetric induction machine that can easily be obtained by externally rewiring a motor with a dual-wound stator. The inverter is supplied by a single-phase input via a voltage-doubler diode rectifier; hence, it can be operated with residential service. In this paper, theoretical control methods are presented and both simulation and experimental results are provided proving the validity of the proposed drive system.

引用

页码：1739 / 1745

页数：7

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