线路单位负荷矩电压损失表6KV-110KV及计算方法.doc

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1、线路单位负荷矩电压损失表(摘自煤矿生产能力核定教材)6kV三相架空线路单位负荷矩电压损失百分数(%/MW*km)导线型号cosφ0.800.850.900.95LJ-166.36.166.015.85LJ-254.354.214.073.9LJ-353.353.213.072.9LJ-502.572.432.292.13LJ-702.071.931.791.63LJ-951.741.61.461.291LJ-1201.541.411.261.1LJ-1501.3751.241.10.93LJ-1851.2641.130.980.82LJ-2401.1

2、581.020.880.71510kV三相架空线路单位负荷矩电压损失百分数(%/MW*km)导线型号cosφ0.800.850.900.95LJ-162.2652.2162.1642.105LJ-251.5651.5161.4641.405LJ-351.2051.1561.1041.045LJ-500.9250.8760.8240.765LJ-700.7450.6960.6440.585LJ-950.6250.5760.5240.465LJ-1200.5550.5060.4540.395LJ-1500.4950.4460.934(原文如此0.394?

3、)0.335LJ-1850.4550.4060.3540.295LJ-2400.4170.3680.3160.25735kV三相架空线路单位负荷矩电压损失百分数(%/MW*km)导线型号cosφ0.800.850.900.95LGJ-350.0940.08960.08520.0801LGJ-500.07760.07340.06890.0639LGJ-700.0620.05780.05320.0484LGJ-950.05140.04720.04270.0378LGJ-1200.04650.04240.03780.0328LGJ-1500.04160.0

4、3740.0330.0278LGJ-1850.03830.03420.02970.0246LGJ-2400.03530.0310.02660.0215LGJ-3000.03350.0290.02460.0195LGJ-4000.03120.02690.02240.0175110kV三相架空线路单位负荷矩电压损失百分数(%/100MW*km)导线型号cosφ0.800.850.90LGJ-700.6580.6090.56LGJ-950.5430.4960.447LGJ-1200.4890.4430.395LGJ-1500.4360.3900.342LG

5、J-1850.3990.3540.307LGJ-2400.3610.3170.272LGJ-3000.3370.2930.249LGJ-4000.3080.2660.222电压损失百分数△U%==In—负荷电流(A)UN—额定电压(kV)R0,X0—电缆单位长度的电阻和电抗(Ω/km)L—线路长度(km)<全国供用电规则>规定,正常情况下7%,故障情况下10%.