不同位置下不同故障类型时（三相短路，单相接地，两相短路，两相接地）的电力系统潮流计算-Different locations under different fault types (three-phase short-circuit, single phase, two-phase short circuit, two-phase) Power Flow

变压器内部绕组匝间短路故障仿真，能模拟三相变压器三相短路、单相短路、两相短路和两相短路接地的情况，仿真得到短路电流波形。-Between the windings of the transformer internal short circuit fault simulation, can simulate three-phase transformer three-phase short-circuit, single-phase short circuit, two-phase short-

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