A hybrid multilevel converter for medium and high voltage applications

Grain Philip Adam, Khaled Ahmed, N.K. Singh, Stephen Finney, Barry Williams

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Abstract

This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail. The ability of the hybrid multilevel converter to operate with different modulation indices and load power factors is investigated. It has been established that the hybrid multilevel converter is capable of operating independent of load power factor. Operation with variable modulation index increases voltage stresses on the converter switches and does not alter the fundamental voltage magnitude as in all known voltage source converter topologies. The viability of the hybrid multilevel converter for medium and high voltage applications is confirmed by simulations.
Original languageEnglish
Publication statusUnpublished - Oct 2010
EventIEEE PES Trondheim PowerTech 2011 - Trondheim, Norway
Duration: 19 Jun 201123 Jun 2011

Conference

ConferenceIEEE PES Trondheim PowerTech 2011
CountryNorway
CityTrondheim
Period19/06/1123/06/11

Keywords

  • medium voltage applications
  • high voltage applications
  • multilevel converter

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    Adam, G. P., Ahmed, K., Singh, N. K., Finney, S., & Williams, B. (2010). A hybrid multilevel converter for medium and high voltage applications. Paper presented at IEEE PES Trondheim PowerTech 2011, Trondheim, Norway.