Discrete State Event Driven Based Methods for Transient Simulation of Power Electronic Converters
Tan Tian, Zhao Zhengming, Li Boyang, Lin Yatao, Chen Kainan
State Key Laboratory of Control and Simulation of Power Systems and Generation Equipments Department of Electrical Engineering Tsinghua University Beijing 100084 China
Abstract：In order to calculate electromagnetic transients of power electronic systems, non-ideal physical models considering stray parameters of circuits and time delay of control loops are needed for semiconductor switching device. In this case, the mathematical models describing power electronic system exhibit high-order nonlinearity and tend to be highly rigid. The numerical solution methods through the conventional differential equations shall bring about the problems of long simulation time and poor numerical stability. Thus, this paper puts forward the improved methods for transient simulation of power electronic converters based on discrete state event driven (DSED) methods. These methods use the variation of state variable as the calculation basis rather than the variation of simulation time. It is demonstrated the methods could reduce simulation time effectively and solve the stiff problem of ordinary differential equations, which ensure numerically stable of the simulation.
檀添, 赵争鸣, 李帛洋, 凌亚涛, 陈凯楠. 基于离散状态事件驱动的电力电子瞬态过程仿真方法[J]. 电工技术学报, 2017, 32(13): 41-50.
Tan Tian, Zhao Zhengming, Li Boyang, Lin Yatao, Chen Kainan. Discrete State Event Driven Based Methods for Transient Simulation of Power Electronic Converters. Transactions of China Electrotechnical Society, 2017, 32(13): 41-50.
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2017, Vol. 32 
