Multitimescale Thermal Network Model of Power Devices Based on POD Algorithm
Yao Zhao,
Zhiqiang Wang,
Dan Luo
et al.
Abstract:The heat transfer of power devices has the characteristics of multi-timescale. However, the traditional thermal network model is difficult to predict the temperature information of power devices at multi-timescale accurately. This paper proposes a multi-timescale thermal network model for power devices, with MOSFET as an example. First, we establish a finite element model for temperature calculation of power devices and then reduce the order of the finite element model based on the proper orthogonal decomposit… Show more
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