Open Fault Characteristics and Simple Diagnosis Scheme in a Back-to-Back Converter for Wind Power Conversion

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Abstract

Switch open fault characteristics and simple diagnosis scheme in a back-to-back converter are presented for a permanent magnet synchronous generator (PMSG) based variable-speed grid-connected wind power conversion. In the back-to-back converter, the failure in switching devices may occur either in a machine side converter (MSC) or in a grid side converter (GSC), which decreases the generator output power and degrades the stability in wind power generation system. To detect such a fault, the second-order harmonic components of the q-axis current are monitored in the MSC as well as in the GSC. To verify the effectiveness of the proposed scheme, the comparative simulation results are presented.

Original languageEnglish
Title of host publicationEngineering and Manufacturing Technologies
PublisherTrans Tech Publications
Pages1022-1026
Number of pages5
ISBN (Print)9783038350552
DOIs
StatePublished - 2014
Event5th International Conference on Mechanical, Industrial, and Manufacturing Technologies, MIMT 2014 - Penang, Malaysia
Duration: 10 Mar 201411 Mar 2014

Publication series

NameApplied Mechanics and Materials
Volume541-542
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference5th International Conference on Mechanical, Industrial, and Manufacturing Technologies, MIMT 2014
Country/TerritoryMalaysia
CityPenang
Period10/03/1411/03/14

Keywords

  • Back-to-back converter
  • Diagnosis
  • Grid-connected
  • Switch open fault
  • Wind power

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