设备名称发电机变压器1变压器2短路电压额定容量10001000计算容量Sj主变容量MVA2040设备名称110线路短路电压额定容量计算容量Sj基准电压Uj1000115系统10总阻抗35总阻抗110总阻抗000110kV线路阻抗1.511.511.51符号短路点单位名称短路点编号基准容量基准电压SjUjIjI*S110kV短路计算结果单位1110kV侧d1MVAkAMVAkAkAkA10001155.020.66661.253.325.018.46235kV母线d210003715.60.31306.534.787.2212.19基准电流短路电流标么值短路容量短路电流周期分量（3）Id3始值短路电流全电流最Ich3大有效值短路电流冲击峰值ich基准电流Ij15.615.65.015.615.615.655.055.0线路长度电抗标幺L值X*211.9011.9010.03226.4300.0000.0000.0000.00冲击短路电流ich80.7711.33155.566.1933062.50423.28变压器单列运行等于10kV线路10kV线路H14（并联运行=H14*H15/(H14+H15)12短路电流母线残压短路功率5.954.442.43165.990.0037.00115.00IdL*=1/∑X*Ij=Sj/1.IdL=Ij/XU=1.732ISd=1.732Iich=2.55732/Uj*dlXdlUIdL110kV变电所短路电流计算短路电压百分数
基准电流Ij线路长度LUd%（I-II）10.510.5Ud%（I-III）17.517.5Ud%（II-III）6.56.5基准电流Ij线路长度线路电抗L（km）标幺值X*5501.51始值变压器（并联阻抗）总阻抗2.924.431.753.261.51冲击短路短路电流母线残压短路功率电流ich12.42225.7931.674.78306.5312.193.32661.258.46310kV母线d3100010.5550.23225.7912.4218.7431.67短路电流最大有效值6.7017963.662987250.4835
Ich2=1.509×Idl
标幺值Xt1-25.252.625x1变压器1变压器25.3752.6875Xt1-38.754.375x2-0.125-0.0625Xt2-33.251.625x33.3751.6875短路电流最大有效值18.739197.2159195.009088
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