Employing the low switching frequency space vector modulators in multi-modular three-level converters

M. Saeedifard; A.R. Bakhshai; M. Rashidinejad

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https://doi.org/10.1109/ccece....

Article . 2004 . Peer-reviewed

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https://dx.doi.org/10.1109/cce...

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Employing the low switching frequency space vector modulators in multi-modular three-level converters

descriptionPublicationkeyboard_double_arrow_right Article 25 May 2004Publisher:IEEEJournal:CCECE 2003 - Canadian Conference on Electrical and Computer Engineering. Toward a Caring and Humane Technology (Cat. No.03CH37436), volume 1, pages 497-501

Authors: M. Saeedifard; A.R. Bakhshai; M. Rashidinejad;

doi: 10.1109/ccece.2003.1226446

Employing the low switching frequency space vector modulators in multi-modular three-level converters

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Abstract

This paper presents a novel low switching frequency SVM in conjunction with a modified delayed sampling principle for generating the switching patterns of individual GTO-based three-level units of a multi-module converter structure. Alternative switching strategies are compared with respect to their impact on output voltage spectrum, switching frequency and THD. This paper also shows that the proposed low frequency switching strategies are well appropriate for capacitor voltage balancing too. The validity of the proposed switching schemes has been verified by simulation.

Related Organizations

Shahid Beheshti University
Iran (Islamic Republic of)
Isfahan University of Technology
Iran (Islamic Republic of)

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