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Measurement and Testing of IGBTs Under High Heat Flux. by Robert G. Mertens. Outline. Introduction Methodology Experimental Results Discussion Conclusion Questions. INTRODUCTION What is an IGBT?. INTRODUCTION What we are doing. Advanced Cooling Technology
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Measurement and Testing of IGBTs Under High Heat Flux by Robert G. Mertens
Outline • Introduction • Methodology • Experimental Results • Discussion • Conclusion • Questions
INTRODUCTION What we are doing • Advanced Cooling Technology • Compare Advanced Cooling Methods to Existing Methods • Use the Best Methods
INTRODUCTION What we are measuring • Heat Flux • Temperature
INTRODUCTION How are we measuring • Heat Flux • Voltage Drop • Current • Mass Flow Rate • Thermal Delta • Temperature • Thermocouple • V-T Characteization
INTRODUCTION Why this method? • Thermocouples • V-T Characterization • IGBT Thermal Models
EXPERIMENTAL RESULTS IGBT Group 7 • IGBT 7 Yellow • Thermocouple Failure • IGBT 7 Green • Thermal Gradient Heat Failure • IGBT 7 Blue • Thermocouple Failure