Junction temperature estimation method for a 600 V, 30A IGBT module during converter operation

U. M. Choi, F. Blaabjerg, F. Iannuzzo, S. Jørgensen

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

This paper proposes an accurate method to estimate the junction temperature using the on-state collector-emitter voltage at high current. By means of the proposed method, the estimation error which comes from the different temperatures of the interconnection materials in the module is compensated. Finally, it leads to satisfactory estimated results. The proposed method has been verified by means of an IR (Infra-Red) camera during power converter operations when the loading current is sinusoidal.

Original languageEnglish
Pages (from-to)2022-2026
Number of pages5
JournalMicroelectronics Reliability
Volume55
Issue number9-10
DOIs
StatePublished - Aug 2015

Keywords

  • Converter
  • IGBT module
  • Junction temperature estimation
  • TSEP

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