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A Study of Failure Mode for 3 Phase VSI by Power Loss Averaging Technique

전력 손실 평균화 기법에 의한 3상 전압형 인버터의 소손 모드에 관한 연구

  • Published : 2010.03.01

Abstract

This paper is to design an optimum power conversion device for the system required for development of a low cost 3-phase power inverter. For this purpose, in order to meet with endurance required by the industry, failure mode is standardized to guarantee lifetime of a power semiconductor by monitoring real time power loss and to facilitate failure mode analysis. As normality of heat loss of a power semiconductor is identified remaining in a certain range by comparing heat rise slope between that is calculated by using average current or average loss and that is measured at a heat sink, its feasibility is confirmed by experiment.

Keywords

References

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