Capacitor voltage balancing techniques for a multi-pulse rectifier with active injection

Ismael Araujo-Vargas, Andrew J. Forsyth, F. Javier Chivite-Zabalza

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Two techniques are presented to balance the filter capacitor voltages of a multi-pulse rectifier with active injection operating on a variable frequency supply. The active injector consists of a low-rated, bidirectional switch that modifies the behaviour of a 12-pulse rectifier at either low or high-frequency , resulting in 24-pulse or multi-level PWM operation respectively. The operation of the rectifier and the injector, the practical issues that unbalance the capacitor voltages and the methods to correct this imbalance are explained together with experimental results obtained with a 4 kW prototype.

Original languageEnglish
Title of host publication24th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2009
Pages383-389
Number of pages7
DOIs
StatePublished - 2009
Event24th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2009 - Washington, DC, United States
Duration: 15 Feb 200919 Feb 2009

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference24th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2009
Country/TerritoryUnited States
CityWashington, DC
Period15/02/0919/02/09

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