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1、电线电缆载流量、电压降速查表作者：电气线路来源：中国电能质量网 2006-11-10序号铜电线型号单心载流量电压降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/M(25。C)(A)0.950.850.7VVYJVVVYJVVVYJVVVYJV11.5mm 2 /c202530.8626.7326.7326.731616131830.86131330.8622.5mm 2 /c283518.918.918.918.9233518.91
2、82218.9183018.934mm 2 /c385011.7611.7611.7611.76343811.76233411.76284011.7646mm 2 /c48607.867.867.867.8640557.8632407.8635557.86510mm 2 /c65854.674.044.044.0555754.6745554.6748804.67616mm 2 /c901102.952.552.562.55701082.960752.665652.6725 mm 2 /c1151501.871.621.621.631001401.9801001.6861051.6835mm 2
3、 /c1451801.351.171.171.191251751.31051301.21081301.2950mm 2 /c1702301.010.870.880.914521011301600.871381650.871070mm 2 /c2202850.710.610.620.651902650.71652100.611752100.611195mm 2 /c2603500.520.450.450.52303300.522002600.452202600.4512120mm 2 /c3004100.430.370.380.422704100.422353000.362553000.3613
4、150mm 2 /c3504800.360.320.330.373104700.352753500.33403600.314185mm 2 /c4105400.30.260.280.333605700.293204100.254004150.2515240mm 2 /c4806400.250.220.240.294306500.243904850.214704950.2116300mm 2 /c5607400.220.20.210.285007000.214505600.195005800.1917400mm 2 /c6508800.20.170.20.266008200.1918500mm
5、2 /c75010000.190.160.180.2519630mm 2 /c88011000.180.150.170.2520800mm 2 /c110013000.170.150.170.24211000mm 2/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/M0.950.850.7VV22YJV22VV22YJV22VV22YJV
6、22VV22YJV2211.5mm 2 /c202530.8626.7326.7326.731616131830.86131330.8622.5mm 2 /c283518.918.918.918.9233518.9182218.9183018.934mm 2 /c385011.7611.7611.7611.76294511.76243211.76253211.7646mm 2 /c48607.867.867.867.8638587.8632417.8633427.86510mm 2 /c65854.674.044.044.0553824.6745554.6747564.67616mm 2 /c
7、881102.952.552.562.55721112.961752.665802.6725 mm 2 /c1131571.871.621.621.63971451.9851051.6861081.6835mm 2 /c1421921.351.171.171.191201801.31051301.21081301.2950mm 2 /c1712321.010.870.880.914022011241550.871371650.871070mm 2 /c2182940.710.610.620.651802850.71602050.611762200.611195mm 2 /c2653550.52
8、0.450.450.52503500.522012480.452172650.4512120mm 2 /c3054100.430.370.380.422704250.422352920.362533100.3613150mm 2 /c3554780.360.320.330.373104850.352753430.32903600.314185mm 2 /c4105500.30.260.280.333605800.293234000.253334150.2515240mm 2 /c4906600.250.220.240.294306500.243814800.214004950.2116300m
9、m 2 /c5607500.220.20.210.285007000.214405400.194675800.1917400mm 2 /c6508800.20.170.20.266008200.1918500mm 2 /c75010000.190.160.180.2519630mm 2 /c88011000.180.150.170.2520800mm 2 /c110013000.170.150.170.24211000mm 2/c130014000.160.140.160.24收藏本文关闭窗口打印本文上一篇电动机就地无功补偿下一篇 交流接触器选用计算0相关文章电线电缆的应用主要分为三大类13、
10、试述电线管、焊接钢管、水煤气钢管、聚氯乙烯硬质塑料电线管电工在输电线路上的检修配电线路无功补偿电气产品的选用（之二）对增大配电线路输送容量的探讨（一）电动机负载时的选用交流接触器吸引线困电压由控制电路电压而定。主触头额定电流由下面经验公式计算:PnXIO3me式中Imc主触头额定电流，A；PN被控制的电动机额定功率，KW；K 常数，一般取11.4；UN 电动机的额定电压，V实际选择时，接触器的主触头额定电流大于上式计算值。（二）非电动机负载时的选用非电动机负载有电阻炉、电容器、变压器、照明装置等，选配接触器时，除考虑接通容量外，还应考虑使用中可能出现的过电流.现分述如下。1.电热设备电流波动最大值不超过1.4I N,可按下式选用式中Itc 接触器额定发热电流，A；IN 被控电热设备额定电流，A。如接触器铭牌上未注明Itc值，可按工作电流相等原则选用。2.电容器用接触器控制电容器时.应考虑电容器的合闸电流、持续电流和在负载下的电寿命。现推荐采用表1的数据。对于更大容量的电容器，常串接电阻，以使接触器的接通电流减少50%。駐号电唇器额龍T 作电it lc (A)电容榕标称容就Qr l(var)电容番額定匸作电压U220VU产 38OVCJJ
