300V1000V电缆载流量Word文档格式.docx

1、5.4x11.5953x2.56.2x13.50.0010211423x4.07.0x15.01987.4x16.22133x6.07.4x17.0342658.0x182843x109.6x22.555457BLVVB型铝芯11.8667.39824.913510554177.0x15231247.4x171547.6x22.5BVVB型铜芯2x0.53.8x6.039.010283.9x6.426.05.0x7.644450V/750V及以下橡胶绝缘电力电缆的载流量通用橡套软电缆的载流量见表8-25。 主铁芯截面积mm平方YQ、YQW、YHQ、型 / AYZ、YZW、YHZ型 / A1芯3

2、芯2芯4芯3035400.37654-0.598120.751418151.5192624222.530254132365345主线芯截面积/mm平方YC YCW YHC型 / A372947434039333152485157645974586311210496889891847778721481381281171351261161061151079990108100183171158144167156132122143133123113226211195178208194164176152139177165153289270249228259242224204209193353330305

3、279318297275251273255236215120415388358328371346320293316295注： 1 中性线截面面积同主线芯面积。 2.3 芯电缆中一根线芯不载流时，其流量按2芯电缆数据。0.6、1KV聚氯乙烯绝缘电力电缆的载流量表8.26 VV22、VLV22型聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆载流量。载流量计算条件1. 线芯长期工作温度： 70； 2. 环境温度： 25 ； 3. 埋地深度： 1000mm; 4. 土壤热阻系数：1.0m.C/W; 5. 线芯轴间距离： S=2D型号及芯数标称截面 面积/mm平方参考外径/ mm载流量推荐值/ A成品参考质量

4、/（KG/Km）空气中敷设埋地敷设铝芯VV22VLV22单芯767531425010112738928715.710316612952736616.916112520264842618.719124018681351120.5187302232105061222.7298231361280137176524.4347323163887315026.43955083621959101918528.74593565304122395121531.95544296234833333178330036.26374937085484091214540039.77505828146324972257350

5、0843655862670630978100177616.333817.345437920.05892x1622.092717485432x2525.58110297042x3527.814912768252x5026.514614878712x7030.3188214217813152x9534.2237184267207280016262x12036.5274238336518692x15040.0245268405922092x18543.83682863944984261017.045037553842520.8467455513x1623.179619836753x2526.9134

6、48573x3529.311186170210253x5031.2234414243x7034.4301717253x9538.6206160221391321583x12041.7261203474125073x15045.4281218296229579030233x18551.0254337701336143x24057.3386299893044983x30061.54453444413421135054473x40081.0519403504391158254x4.018.25294x6.019.36414914x1022.59056444x1625.08312188044x2529

7、.29473169010344x3533.5102247915684x5034.3109157296317334x7037.8137196151383121074x9543.1219170234503226894x12046.3610531194x150294227301233747537814x18556.2333258262909745344x24061.3397308393116644x30069.3464359448150184x40090.1515202023+1芯3x4+1x2.517.64954053x6+1x419.16084713x10+1x621.88346033x16+1

8、x1011437703x25+1x1628.293160710173x35+1x1630.5206011973x50+1x2537.0110279517113x70+1x3540.7181358120613x95+1x5045.0222172467626113x120+1x7049.7201269575130663x150+1x7052.0230303235678835713x185+1x9559.5340264837143503x240+1x12069.54043133963071052353053x300+1x15070.04723653491357267673x400+1x18584.2

9、54442251439918398载流量推荐值/ A （环境温度25C）5芯5x419.46065x620.77395x1024.210725x1627.08514505x2521435x3536.411913130985x5041.614539925x7046.853565x9554.122571385x12058.826386165x15064.7104295x18571.6348335128175x24080.8409387152265x30089.0439200624+1芯4x4+1x2.510.95724x6+1x47104x10+1x623.610034x16+1x1013694x

10、25+1x1631.120064x35+1x1635.228204x50+1x2540.315536784x70+1x3545.148504x95+1x5052.265114x120+1x7056.926079484x150+1x7061.993874x185+1x9568.6329116524x240+1x12077.1408148214x300+1x15085.0469442181483+2芯单芯电缆铠装应采用非磁性材料或采用减少磁耗的结构3x4+2x2.518.53x6+2x420.26863x10+2x622.99353x16+2x1012963x25+2x1630.218803x35

11、+2x1625543x50+2x2538.814133963x70+2x3543.618244473x95+2x5049.458483x120+2x7055.025673493x150+2x7059.129184543x185+2x9565.6331105683x240+2x12073.7401385133623x300+2x15081.546216419防火电缆的载流量 1. 阻燃电线电缆的载流量。 1）B、R系列阻燃电线电缆的载流量见表8-27.表 8-27 B、R系列阻燃电线电缆的载流量型号及电压等级标称截面面积/ mm平方最大外径/ mm最大单位长度直流电阻/ （欧/km） 最小单位长

12、度绝缘电阻/ （欧/km） 载流量推荐值（环境温度25）ZR-BV300/500V2.436.00.0158.32.62.80.0141.013.73.00.01314.8450/750V3.33.521.33.931.54.20.00934.54.04.44.80.007750.06.04.966.75.471.07.00.0064568118.08.01.150.005010.00.72711.50.5240.004037813.00.3870.004518015.00.2680.003571717.50.19399119.00.1530.0032122821.00.124155123.50.099145618940.0754246929.50.06010.0030308933.00.04700.00203935450/75013.3