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

    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. ©2009 IEEE.
    Original languageEnglish
    Title of host publicationConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC|Conf Proc IEEE Appl Power Electron Conf Expo APEC
    Pages383-389
    Number of pages6
    DOIs
    Publication statusPublished - 2009
    Event24th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2009 - Washington, DC
    Duration: 1 Jul 2009 → …

    Conference

    Conference24th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2009
    CityWashington, DC
    Period1/07/09 → …

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