基于Matlab/Simulink建立的变压器仿真模型，模型是一个具有双侧电源及三相双绕组变压器的简单电力系统，可以用来分别仿真变压器保护区内部故障和外部故障。-Based on MATLAB/Simulink to build the simulation model of the transformer, the model is a bilateral power and three-phase double winding transformer of power system can