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This paper investigates the characteristic thermal properties of IGBT power modules and develops a very robust health monitoring concept to identify an aged chip-solder within a voltage source inverter. It is shown that at an optimum excitation frequency the power module structure enables a selective identification of an increased thermal chip-solder resistance Rth, 1 with a maximum Rth, 1 measuring...
Power module with high power density and high heat dissipation structure has been developed because of increasing requirement for high-power electric products. Power cycling test (PCT) was often adopted to assess to reliability of power module while the cyclic load was applid in power chip. This study investigates the electro-thermo-mechanical behavior of high-power module by using numerical analysis,...
In the European funded project E3Car (ENIAC) the available power module technologies for Electric Vehicles (EV) are evaluated and tested. Up to now there are some automotive qualified power modules mostly for Hybrid electric vehicle applications on the market with rated blocking voltage up to 600V. But there are almost no 1200V automotive power modules available. This paper describes the optimization...
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