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Insulated gate bipolar transistors (IGBTs) are one of the most critical components in the Electric Vehicles (EVs) because of their complex running environment, high power dissipation and frequent junction temperature fluctuation. Therefore, it's essential to predict the lifetime of IGBTs by considering the actual factors in applications. The aim of this paper is to present a lifetime prediction method...
Traction drives frequently operate at large torque and low speed states, which results in large junction temperature fluctuations and high peak value of inverter power devices. Therefore, the reliability of IGBTs will decrease significantly without suitable thermal control. In order to reduce power losses and junction temperature in low speed operation, the main studies of this paper are as follows:...
Wide bandgap semiconductor devices like SiC have achieved more and more attentions in electric vehicles-(EVs) because of their high-temperature capability, high-power density, and high efficiency. As all known, EVs frequently operate in acceleration, deceleration and low speed driving in urban traffic. Thus, not only the rated operation condition should be considered, but also some extreme operation...
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