A VSC transmission system using flying capacitor multilevel converters and selective harmonic elimination pWM control

L. Xu, V.G. Agelidis

Research output: Contribution to conference › Paper

7 Citations (Scopus)

Abstract

A transmission system based on voltage-source three-level flying capacitor (FC) multilevel converters with selective harmonic elimination pulse-width modulation (SHE-PWM) control is presented in this paper. The generation of the switching patterns for each power device is described taking into account the natural balancing of the FC voltages. A new and simple control method for balancing the FC voltages of the FC converter when using SHE-PWM is proposed which is based on the small change of the firing angle according to the load current polarity. Implementation of the SHE-PWM with capacitor voltage balancing is provided. Simulation studies for a 300MW/+/- 150kV transmission system are presented to confirm the satisfactory performance of the proposed system.
Original languageEnglish
Pages1176-1181
Number of pages6
DOIs
Publication statusPublished - Nov 2005
EventInternational Power Engineering Conference (IPEC) - Singapore, Singapore
Duration: 29 Nov 2005 → 2 Dec 2005

Conference

ConferenceInternational Power Engineering Conference (IPEC)
CountrySingapore
CitySingapore
Period29/11/05 → 2/12/05

Keywords

  • vsc transmission
  • flying capacitor
  • multilevel converters
  • harmonic elimination
  • pwm control

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