工程中短路电流实用计算表
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小方式大方式小方式有名值(Ω)
标幺值
有名值(Ω)
(三相短路)
(二相短路)
1北滘0.270.240.5622.458.932陈村0.340.310.4517.8311.113道教0.30.270.4120.2112.24东辉0.320.290.3918.9412.825东平0.410.370.4614.7910.876富安0.30.270.420.2112.57广教0.350.320.5617.328.938桂洲0.280.250.4121.6512.29红岗0.290.260.4220.911.910华容0.260.240.423.3212.511鸡洲0.350.320.517.321012建丰0.340.310.4717.8310.6413锦湖0.30.270.420.2112.514均安0.310.280.5119.569.815乐从0.30.270.4220.2111.916勒流0.280.250.4321.6511.6317龙江0.30.270.3720.2113.5118龙山0.330.30.4818.3710.4219伦教0.310.280.4619.5610.8720马宁0.370.340.516.381021南江0.280.250.421.6512.522容奇0.310.280.4219.5611.923顺峰0.350.320.4617.3210.8724上涌0.30.270.3720.2113.5125石洲0.370.340.4516.3811.1126文登0.30.270.3820.2113.1627五沙0.370.340.4716.3810.6428西华0.360.330.4916.8410.229新隆0.290.260.4320.911.6330杏坛0.30.270.4320.2111.6331羊额0.330.30.4318.3711.6332涌口0.360.330.4516.8411.1133元基0.380.340.4615.9510.8734中兴0.280.250.3521.6514.2935群力0.240.220.3525.2614.2936霞石0.370.340.4816.3810.4237博深0.370.340.4416.3811.3638泰安0.370.340.5216.389.6239
宏图
0.35
0.32
0.42
17.32
11.9
110kV变电站
变电站母线归算阻抗及短路电流
序号
站名
10kV母线归算阻抗X1(S B = 100MVA, U B = 10.5kV)
10kV母线短路电流(kA)
大方式
220kV变电站
1南海0.330.30.4318.3711.63 2都宁0.30.270.420.2112.5
3大良0.240.220.3525.2614.29 4吉安0.270.240.3522.4514.29 5藤沙0.30.270.3520.2114.29 6旭升0.250.230.3124.2516.13
说明：本表计算依据为市局2010年3月发布的《2010年佛山地区电网继电保护整定方案》中的顺德区220kV、110kV变电站10kV母线归算阻抗。