Shuping Liu, Changqing Li, Zhengqing Han, and Shibin Gao
Scott transformer, modeling, balanced transformer, AC electrified railway
The model of Scott transformer is analyzed in this paper. Based on its mathematical model, the paper discusses the voltage and current transformation relation between the high and low voltage sides of the Scott transformer, and then obtains the impendence constraint relations. In order to validate the correctness of the theoretical analysis, the Scott transformer model is built in the Matlab/Simulink. The simulation results show that the model of Scott transformer can meet the requirements of three phases to two phases balance conversion.
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