Research of IGBT Module Application Failure for Locomotive

Research of IGBT Module Application Failure for Locomotive

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Aiming at the problem of explosion damage of IGBT module used in locomotive after application failure, which makes it difficult to find the failure reason.The switch state of IGBT Stove Temperature Sensor module under the application condition was analyzed, and five failure modes were put forward.Based on the statistical distribution of failure modes in the factory and in the field of application, the causes of five failure modes and early failures as well as the failures caused in Pasta the application process were analyzed.

Finally, the design improvement suggestions were put forward from the application and device dimensions.