Non-Destructive Investigation on Short Circuit Capability of Wind-Turbine-Scale IGBT Power Modules

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Abstract

This paper presents a comprehensive investigation on the short circuit capability of wind-turbine-scale IGBT power modules by means of a 6 kA/1.1 kV non-destructive testing system. A Field Programmable Gate Array (FPGA) supervising unit is adpoted to achieve an accurate time control for short circuit test, which enables to define the driving signals with an accuracy of 10 ns. Thanks to the capability and the effectiveness of the constructed setup, oscillations appearing during short circuits of the new-generation 1.7 kV/1 kA IGBT power modules have been evidenced and characterized under different collector voltage.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Wind energy Grid-Adaptive Technologies, WEGAT 2014
Number of pages7
PublisherChungbuk University, Korea
Publication dateOct 2014
Publication statusPublished - Oct 2014
EventInternational Conference on Wind energy Grid-Adaptive Technologies, WEGAT 2014 - Jeju, Korea, Republic of
Duration: 20 Oct 201422 Oct 2014

Conference

ConferenceInternational Conference on Wind energy Grid-Adaptive Technologies, WEGAT 2014
CountryKorea, Republic of
CityJeju
Period20/10/201422/10/2014

Keywords

  • Non-destructive testing
  • Short circuit
  • Insulated Gate Bipolar Transistor (IGBT)
  • Power module

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