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

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

Research output: Contribution to conferencePaper

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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 languageAmerican English
Pages383-389
Number of pages344
DOIs
StatePublished - 1 Jun 2009
EventConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC -
Duration: 1 Jun 2009 → …

Conference

ConferenceConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
Period1/06/09 → …

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Araujo-Vargas, I., Forsyth, A. J., & Javier Chivite-Zabalza, F. (2009). Capacitor voltage balancing techniques for a multi-pulse rectifier with active injection. 383-389. Paper presented at Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, . https://doi.org/10.1109/APEC.2009.4802686