A novel voltage balancing modulation scheme used in cascaded H-bridge multilevel STATCOMs

Yang Rong-Feng, Chen He, Sui Sun-Ke, Yu Yong, Xu Dian-Guo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

This paper presents a novel voltage balancing modulation scheme based on the popular PSC-PWM strategy for cascaded multilevel STATCOMs. Analyzing on adjustments of the carriers in PSC-PWM, the proposed method more flexibly balances the DC-voltages from the charging process, and has no requirements for extra circuits or PI controllers. Finally, a 25-level cascaded STATCOM is constructed and tested. The proposed method solves the DC-voltage balancing problems that usually arise in the cascaded multilevel STATCOM operations, and its features and superiority are demonstrated.

Original languageEnglish
Title of host publication2013 IEEE ECCE Asia Downunder - 5th IEEE Annual International Energy Conversion Congress and Exhibition, IEEE ECCE Asia 2013
Pages820-825
Number of pages6
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event2013 IEEE ECCE Asia Downunder - 5th IEEE Annual International Energy Conversion Congress and Exhibition, IEEE ECCE Asia 2013 - Melbourne, VIC, Australia
Duration: 3 Jun 20136 Jun 2013

Publication series

Name2013 IEEE ECCE Asia Downunder - 5th IEEE Annual International Energy Conversion Congress and Exhibition, IEEE ECCE Asia 2013

Conference

Conference2013 IEEE ECCE Asia Downunder - 5th IEEE Annual International Energy Conversion Congress and Exhibition, IEEE ECCE Asia 2013
Country/TerritoryAustralia
CityMelbourne, VIC
Period3/06/136/06/13

Keywords

  • cascaded H-bridge STATCOM
  • multilevel converter
  • voltage balancing control

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