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Improved pulse-width modulation of diode-assisted buck-boost voltage source inverter

  • Xi'an Jiaotong University

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

2 Scopus citations

Abstract

This paper explorers modulation strategies for diode-assisted buck-boost voltage source inverter and the relationship of voltage transfer ratio versus modulation index. Two kinds of improved pulse-width modulation strategies with high dc link voltage utilization are presented to obtain maximum voltage gain at given modulation index and minimize the voltage stress at the same time. The operation principle and realization of the proposed modulation strategies, the relationship of voltage gain versus modulation index and voltage stress versus voltage gain are analyzed in details. Simulation results are given to verify the theoretical analysis and demonstrate good performance of the improved pulse width modulation strategies.

Original languageEnglish
Title of host publication2nd International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2010
Pages22-28
Number of pages7
DOIs
StatePublished - 2010
Event2nd International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2010 - Hefei, China
Duration: 16 Jun 201018 Jun 2010

Publication series

Name2nd International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2010

Conference

Conference2nd International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2010
Country/TerritoryChina
CityHefei
Period16/06/1018/06/10

Keywords

  • Inverter
  • Pulse-width modulation
  • Voltage boost
  • Voltage gain
  • Voltage source inverter
  • Voltage stress

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