高压开关柜保护计算【电气计算表格】
2021-07-03
来源:步旅网
阻抗计算:1。系统阻抗标幺值:短路容量(MVA)短路标幺值2。线路:每KM估算值X*电缆(6KV)电缆(10KV)架空(6KV)架空(10KV)架空(35KV)架空(110KV)3。线路:柜出线电缆0.17600.07300.88200.31700.02900.0030L(KM)计算值最大最小X*=Sj/Sdx2283.10#########0.040.0700Xl*=X*L*Sj/U/U=Xl*=X*L*Sj/U/U=Xl*=X*L*Sj/U/U=Xl*=X*L*Sj/U/U=Xl*=X*L*Sj/U/U=Xl*=X*L*Sj/U/U=0.700.0256双电缆电缆(6KV)电缆(10KV)4。变压器:容量KVA变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:变压器:50000.0040000.0031500.0025000.0016000.0012000.0010000.007200.005100.002700.002500.001600.001250.001000.00800.00750630500Xl*=X*L0.1760*Sj/U/U=Xl*=X*L0.0730*Sj/U/U=0.050.0037双电缆电压等级KV110/6.3110/6.3110/6.3110/6.3110/6.3110/6.3110/6.3110/6.3110/6.3110/6.3110/6.310(6)/0.410(6)/0.410(6)/0.410(6)/0.410(6)/0.410(6)/0.410(6)/0.4阻抗电压%Xb*=Xd%/10.50Se=10.5010.5010.5010.5010.5010.5010.5010.5010.5010.504.504.504.504.504.504.504.50阻抗标幺值Xb*0.21000.26250.33330.42000.65630.87501.05001.45832.05883.88894.20002.81253.60004.50005.62506.00007.14299.0000变压器:变压器:24010(6)/0.43010(6)/0.44.504.5018.7500150.0000电容电流(A)电缆线路架空线路Ie=0.1UeLIe=UeL/35055.2500