短路电流.xls

1、Sdmax(MVA)Sdmin(MVA)线路Xmax线路XminSjUj10004500.1 0.22222221006.3主变Se阻抗Ud阻抗1000010.51.05线路长度km 线路阻抗电机容量电机Xd电机阻抗总阻抗0.8 0.187452763800.4 105.26316 105.45061线路长度km 线路阻抗变压器容量 变压器Ud变压器阻抗 总阻抗max 总阻抗min0.2 0.046863196304.5 7.1428571 8.33972038.46194260.3 0.0702947810005.55.5 6.72029486.8425170.6 0.14058957100

2、05.55.5 6.79058966.91281180.3 0.0702947850048 9.22029489.342517基准电流 主变低压侧短路电流Idmin9164.297203.372变压器低压侧三相短路时超瞬变电流基准电流 IdmaxIdmin互感器变比 额定电流 过流保护 灵敏系数144337.6666.1561656.534315 60.62178 14.54923 2.605218144337.6 826.68331 811.9169516 96.22504 21.65064 2.029733144337.6 818.12566 803.6607617 96.22504 20.37707 2.009093144337.6 602.53557 594.6529818 48.11252 9.622504 2.973178