New three-phase multilevel voltage source inverter with low switching frequency

Author

Jamaludin, Jafferi ; Rahim, Nasrudin Abd ; Ping, Hew Wooi

Author_Institution

Fac. of Eng., Univ. of Malaya, Kuala Lumpur, Malaysia

fYear

2011

fDate

21-24 Nov. 2011

Firstpage

971

Lastpage

975

Abstract

This paper proposes a new multilevel circuit topology for a three-phase voltage source inverter. The inverter is built from the conventional three-phase full bridge configuration with the addition of five bidirectional switches. With this inverter, seven levels in the output line-to-line voltage waveforms are obtained. The operational principles of the inverter with low switching frequency are analyzed in detail. For verification, computer simulation has been carried out and hardware testing on a prototype inverter with the control algorithm implemented on a TMS320F2812 digital signal processor has been conducted.

Keywords

bridge circuits; digital signal processing chips; invertors; network topology; power conversion; switching convertors; TMS320F2812; bidirectional switch; computer simulation; conventional three-phase full bridge configuration; digital signal processor; hardware testing; low switching frequency; multilevel circuit topology; output line-to-line voltage waveform; prototype inverter; three-phase multilevel voltage source inverter; Circuit topology; Inverters; Load modeling; Power harmonic filters; Switches; Switching frequency; Topology; Multilevel inverter; bidirectional switches; low switching frequency; modified H-bridge; three-phase topology;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON 2011 - 2011 IEEE Region 10 Conference

Conference_Location

Bali

ISSN

2159-3442

Print_ISBN

978-1-4577-0256-3

Type

conf

DOI

10.1109/TENCON.2011.6129255

Filename

6129255