A Novel Three-Phase Three-Leg AC/AC Converter Using Nine IGBTs

Author

Congwei Liu ; Bin Wu ; Zargari, N.R. ; Dewei Xu ; Jiacheng Wang

Author_Institution

Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, ON

Volume

24

Issue

5

fYear

2009

fDate

5/1/2009 12:00:00 AM

Firstpage

1151

Lastpage

1160

Abstract

This paper proposes a novel three-phase nine-switch ac/ac converter topology. This converter features sinusoidal inputs and outputs, unity input power factor, and more importantly, low manufacturing cost due to its reduced number of active switches. The operating principle of the converter is elaborated; its modulation schemes are discussed. Simulated semiconductor loss analysis and comparison with the back-to-back two-level voltage source converter are presented. Finally, experimental results from a 5-kVA prototype system are provided to verify the validity of the proposed topology.

Keywords

AC-AC power convertors; PWM power convertors; insulated gate bipolar transistors; power semiconductor switches; switching convertors; IGBT; PWM schemes; active switches; apparent power 5 kVA; back-to-back two-level voltage source converter; modulation schemes; nine-switch converter topology; semiconductor loss analysis; three-phase three-leg AC/AC converter; Analytical models; Costs; Insulated gate bipolar transistors; Power semiconductor switches; Prototypes; Reactive power; Semiconductor device manufacture; Switching converters; Topology; Voltage; AC/AC converter; pulsewidth modulation (PWM); reduced switch count topology;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/TPEL.2008.2004038

Filename

4810172