基于Matlab/Simulink建立的变压器内部仿真模型，可以进行变压器内部整个绕组的单相接地、两相短路、两相接地短路、三相短路等故障的仿真。-The internal simulation model of transformer based on Matlab/Simulink can carry out the simulation of single phase grounding, two phase short circuit, two-phase short circuit and three-phase short circuit of the whole winding.