Multi-Time Scale Transient Models for Power Semiconductor Devices (PartⅠ: Switching Characteristics and Transient Modeling)
Shi Bochen, Zhao Zhengming, Jiang Ye, Zhu Yicheng
State Key Laboratory of Control and Simulation Power System and Generation Equipments Department of Electrical Engineering Tsinghua University Beijing 100084 China
Abstract:Switching mode is the basic mode of electromagnetic energy conversion in power electronics, meanwhile switching characteristics become the key point. From this perspective, this paper presents the multi-time scale transient models of power semiconductor devices, in which different models are adapted to describe the switching transient process corresponding to different time scales. In addition, under discrete event-driven simulation system, this paper presents the connection and switching principles between multi-time scale models, so that such models can be employed in simulation of power electronics converters. As shown in this paper, all parameters of the multi-time scale models can be extracted from datasheet directly. It is significant in design and analysis of power electronics systems.
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