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 an

1、理解小电流接地系统的概念； 2、理解中性点不接地和经消弧线圈接地系统单相故障的特点； 3、学会用MATLAB/Simulink进行小电流接地系统的建模与仿真。 -1, understand the concept of small current grounding system 2, understand the neutral point ungrounded and arc suppression coil grounding system single-phase

小电流系统接地选线仿真模型及稳态零序功率方向法仿真算法(Simulation model of grounding fault location for small current system and simulation algorithm of steady zero sequence power direction method)