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1、电电线线及及电电缆缆数数据据表表序号铜电线型号单载流量(A)线槽载流量(A)灯吼载流量(A)电压降mv/M修正系数BV(30。C)11.0mm2/c10690.721.5mm2/c1581030.860.732.5mm2/c20121818.90.744mm2/c25202311.760.756mm2/c4025307.860.7610mm2/c5030414.670.7716mm2/c7040532.950.7825mm2/c9060701.870.7935mm2/c11070871.350.71050mm2/c175901091.010.71170mm2/c2201201300.710.7
2、1295mm2/c2801501700.520.713120mm2/c3001802100.430.714150mm2/c3802202340.360.715185mm2/c4502502610.30.7电电线线及及电电缆缆数数据据表表序号 铜电线型号单心载流量(25。C)(A)电压降mv/M品字型电压降mv/M紧挨一字型电压降mv/M间距一字型电压降mv/M两心载流量(25。C)(A)电压降mv/M三心载流量(25。C)(A)电压降mv/M四心载流量(25。C(A)电压降mv/M0.950.850.7 VVYJVVVYJVVVYJVVVYJV11.5mm2/c202530.8626.7326
3、7326.731616131830.86131330.8622.5mm2/c283518.918.918.918.9233518.9182218.9183018.934mm2/c385011.7611.7611.7611.76343811.76233411.76284011.7646mm2/c48607.867.867.867.8640557.8632407.8635557.86510mm2/c65854.674.044.044.0555754.6745554.6748804.67616mm2/c901102.952.552.562.55701082.960752.665652.6725mm
4、2/c1151501.871.621.621.631001401.9801001.6861051.6835mm2/c1451801.351.171.171.191251751.31051301.21081301.2950mm2/c1702301.010.870.880.914521011301600.871381650.871070mm2/c2202850.710.610.620.651902650.71652100.611752100.611195mm2/c2603500.520.450.450.52303300.522002600.452202600.4512120mm2/c3004100
5、430.370.380.422704100.422353000.362553000.3613150mm2/c3504800.360.320.330.373104700.352753500.33403600.314185mm2/c4105400.30.260.280.333605700.293204100.254004150.2515240mm2/c4806400.250.220.240.294306500.243904850.214704950.2116300mm2/c5607400.220.20.210.285007000.214505600.195005800.1917400mm2/c6
6、508800.20.170.20.266008200.19 18500mm2/c75010000.190.160.180.25 19630mm2/c88011000.180.150.170.25 20800mm2/c110013000.170.150.170.24 211000mm2/c130014000.160.140.160.24 序号 铜电线型号单心载流量(25。C)(A)电压降mv/M品字型电压降mv/M紧挨一字型电压降mv/M间距一字型电压降mv/M两心载流量(25。C)(A)电压降mv/M三心载流量(25。C)(A)电压降mv/M四心载流量(25。C(A)电压降mv/M0.950.
7、850.7 VV22 YJV22VV22 YJV22VV22 YJV22VV22 YJV2211.5mm2/c202530.8626.7326.7326.731616131830.86131330.8622.5mm2/c283518.918.918.918.9233518.9182218.9183018.934mm2/c385011.7611.7611.7611.76294511.76243211.76253211.7646mm2/c48607.867.867.867.8638587.8632417.8633427.86510mm2/c65854.674.044.044.0553824.674
8、5554.6747564.67616mm2/c881102.952.552.562.55721112.961752.665802.6725mm2/c1131571.871.621.621.63971451.9851051.6861081.6835mm2/c1421921.351.171.171.191201801.31051301.21081301.2950mm2/c1712321.010.870.880.914022011241550.871371650.871070mm2/c2182940.710.610.620.651802850.71602050.611762200.611195mm2
9、/c2653550.520.450.450.52503500.522012480.452172650.4512120mm2/c3054100.430.370.380.422704250.422352920.362533100.3613150mm2/c3554780.360.320.330.373104850.352753430.32903600.314185mm2/c4105500.30.260.280.333605800.293234000.253334150.2515240mm2/c4906600.250.220.240.294306500.243814800.214004950.2116
10、300mm2/c5607500.220.20.210.285007000.214405400.194675800.1917400mm2/c6508800.20.170.20.266008200.19 18500mm2/c75010000.190.160.180.25 19630mm2/c88011000.180.150.170.25 20800mm2/c110013000.170.150.170.24 211000mm2/c130014000.160.140.160.24 设110KW为计算功率,求计算电流:I30=110/0.85/0.38/1.732=197(A)初选铜导线70.线路较远先用压降效验一下：(压降不超过5%)U0=197*0.0175*200/70=9.85V.220*5%=11V9.85V 压降在要求范围内.因此可选用:YJV22-3*70+2*50-1KV的低压电缆 问题：200米距离，功率110KW，怎样选电缆。9.0234375
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