A Multilevel Converter With a Floating Bridge for Open-End Winding Motor Drive Applications

被引：82

作者：

Chowdhury, Shajjad ^{[1
]}

Wheeler, Patrick W. ^{[1
]}

Patel, Chintan ^{[1
]}

Gerada, Chris ^{[1
]}

机构：

[1] Univ Nottingham, Dept Elect & Elect Engn, Nottingham NG7 2RD, England

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2016年 / 63卷 / 09期

关键词：

Field-oriented control (FOC); floating bridge; open-end winding induction machine; space vector; DUAL 2-LEVEL INVERTER; DC-LINK; OPERATION; TOPOLOGIES; MACHINES; SYSTEM;

D O I：

10.1109/TIE.2016.2561265

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a three-phase open-end winding induction motor drive. The drive consists of a three-phase induction machine with open stator phase windings and dual-bridge inverter supplied from a single dc voltage source. To achieve multilevel output voltage waveforms, a floating capacitor bank is used for the second of the dual bridges. The capacitor voltage is regulated using redundant switching states at half of the main dc-link voltage. This particular voltage ratio (2:1) is used to create a multilevel output voltage waveform with three levels. A modified modulation scheme is used to improve the waveform quality of this dual inverter. This paper also compares the losses in the dual-inverter system in contrast with a single-sided three-level neutral point clamped converter. Finally, detailed simulation and experimental results are presented for the motor drive operating as an open-loop v/f controlled motor drive and as a closed-loop field-oriented motor controller.

引用

页码：5366 / 5375

页数：10

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