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2012 15th International Power Electronics and Motion Control Conference (EPE/PEMC)

DOI: 10.1109/epepemc.2012.6397320

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Voltage balancing characteristics for a cascaded H-bridge multi-level StatCom employing space vector modulation

Proceedings article published in 2012 by C. D. Townsend, S. M. Cox, A. J. Watson, T. J. Summers, R. E. Betz, J. C. Clare ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Employing space vector modulation in a multi-level H-bridge StatCom (H-StatCom) can provide an excellent trade-off between harmonic performance and switching frequency. However the nature of the techniques used to balance the capacitor voltages in this modulation strategy are heuristic in nature, with their stability and balancing characteristics being difficult to quantify. This paper develops a method to investigate the likelihood that the capacitor voltages remain balanced for the operating modes and system parameters typical in H-StatCom applications.