电力电缆技术指标.doc

额定电压450/750V及以下聚氯乙烯绝缘电缆(电线)(普通型 阴燃型 耐火型)一、产品名称BV 铜芯聚氯乙烯绝缘电缆（电线）BVR 铜芯聚氯乙烯绝缘软电缆（电线）BVV 铜芯聚氯乙烯绝缘聚氯气烯炉套圆型电缆BVVB 铜芯聚氯乙烯绝缘聚氯乙烯护套平型电缆（电线）BV-105铜芯耐热105聚氯乙烯绝缘电线RV 铜芯聚氯乙烯绝缘接连软电缆（电线）RVB 铜芯聚氯乙烯绝缘平型连接软电线RVS 铜芯聚氯乙烯绝缘绞型连接电线RVV 铜芯聚氯乙烯绝缘聚氯乙烯护套圆型连接软电缆RVVB 铜芯聚氯乙烯绝缘聚氯乙烯护套平型连接软电缆RV-105 铜芯耐热105聚氯乙烯绝缘接连软电线二、用途适用于交流电压450/750及以下动力装置、日用电器、仪表及电信设备用的电缆电线。阻燃型电缆（电线）的特点是不易着火或着火后火焰蔓延较慢并能控制在一定的范围内，其使用于对阻燃性能要求较高的场合。阻燃电缆（电线）按GA306、1-2001标准分为A类、B类、C类三种不同的阻燃类别和、四个级别，其中A类阻燃性能最优。耐火型电缆（电线）的特点是电缆除了能在正常的工作条件下传输电力，还可在燃烧的况状下仍能保持一定时间的安全运行，其使用在对电缆耐火特性有较高要求的场合。耐火电缆（电线）按GA306、2-2001标准分为A类、B类二个类别和、四个级别，用户可根据不同的要求选择不同类别的耐火电缆。三、产品标准GB 5023-97、JB 8734-98（及企业标准）阻燃耐火，电缆（电线）的生产标准为GA306.12-2001四、电线主要特性1.UO/U为450/750、300/500、300/300V2.电缆的长期允许温度105型号允许工作温度不超过105；其它型号允许工作温度应不超过70；3.电缆的敷设温度应不低于0；允许弯曲半径：（B系列）电缆外径（D）小于25mm允许弯曲半径应不小于4D电缆外径（D）大于25mm及以上者允许弯曲半径应不小于6D。4.阻燃电缆（电线）的阻燃性能应通过GA306.1-2001电线电缆燃烧试验。5.耐火电缆（电线）的耐火性能应通过GA306.2-2001规定的耐火试验。BV ZR-IVB、NH-IVB-BV 电压等级 300/500V电压级(V)标准截面(mm2)导体结构(n/mm)计算截面(mm2)平均外径上限(mm)20最大直流电阻(/km)70最小绝缘电阻(M/km)载流量(A)连续负荷载流量推荐值(A)电缆参考重量(kg/km)300/5000.51/0.800.5022.436.00.01513108.30.751/0.980.7542.624.50.012171310.90.75* 7/0.370.7522.624.50.014171311.81.01/1.131.0022.818.10.011201513.71.0*7/0.431.0162.818.10.013201514.8450/7501.51/1.381.4953.312.10.011251920.01.57/0.521.4863.412.10.010251921.32.51/1.782.4873.97.410.010342631.52.57/0.682.5074.27.410.009342634.44.01/2.253.9744.44.610.0085443446.84.07/0.854.0064.84.610.0077443450.06.01/2.765.9804.93.080.0070584466.76.07/1.046.1095.43.080.0065584471.0107/1.3510.0156.81.830.0065796218.0167/1.7015.8818.01.150.0050111851782519/1.3025.2069.80.7270.00501461102803519/1.5334.91511.00.5240.00451801353785037/1.3049.08613.00.3870.00402281705087037/1.5569.78115.00.2680.00352812207179537/1.8094.10617.00.1930.003534427099112037/2.03119.69219.00.1530.0032397320122815037/2.25147.04021.00.1240.0032456360151118537/2.52184.44723.50.09910.0032519425189424061/2.24240.26826.50.07540.0032592510246830061/2.52299.28129.50.06010.0030685570309840061/2.85388.94633.50.04700.00287996903935BV-90(227IEC07型) ZR-IVB-BV-105、NH-IVB-BV-100 电压等级 450/750V标准截面(mm2)导体结构(n/mm)计算截面(mm2)平均外径上限(mm)20最大直流电阻(/km)70最小绝缘电阻(M/km)载流量(A)连续负荷载流量推荐值(A)电缆参考重量(kg/km)0.51/0.800.5022.436.00.01513109.30.751/0.980.7542.624.50.013171312.01.01/1.131.0022.818.10.012201515.01.51/1.381.4953.312.10.011251920.02.51/0.782.4873.97.410.0093426324.0*19/0.524.0334.84.610.0084434476.0*19/0.646.1095.43.080.007584467BVR* ZR-IVB-BVR 电压等级 450/750V标准截面(mm2)导体结构(n/mm)计算截面(mm2)平均外径上限(mm)20最大直流电阻(/km)70最小绝缘电阻(M/km)载流量(A)连续负荷载流量推荐值(A)电缆参考重量(kg/km)2.519/0.412.5094.17.410.0113426344.019/0.524.0354.84.610.0094434506.019/0.646.1125.33.080.00845844721049/0.5210.4066.81.830.007279621271649/0.5815.7638.11.150.0062111851842598/0.5825.89210.20.7270.005814611030435133/0.5835.14011.70.5240.005218013539950133/0.6848.30113.90.3870.005122817054870189/0.6868.63916.00.2680.004528122073995*361/0.5895.33120.00.1930.0032344270985120*570/0.52120.99022.00.1530.00293973201231150*703/0.52149.22224.50.1240.00294563601518185*570/0.64183.27627.50.09910.00295194251872240*703/0.65233.15931.50.07540.00285925102370300*912/0.65302.47633.00.06010.00286855703065400*1059/0.65384.39736.50.0470.00287996903872BVV(227IEC10型) 电压等级 300/500V ZR-IVB-BVV、NH-IVB-BVV 450/750V标准截面(mm2)导体结构(n/mm)计算截面(mm2)平均外径上限(mm)20最大直流电阻(/km)70最小绝缘电阻(M/km)载流量(A)连续负荷载流量推荐值(A)电缆参考重量(kg/km)0.75*1/0.970.7694.424.50.0121713221.0*1/1.131.0034.518.10.0112015251.5*1/1.381.4955.012.10.0112519331.5*7/0.521.4865.212.10.0102519352.5*1/1.782.4875.77.410.0103426472.5*7/0.682.5425.97.410.0093426514.0*1/2.253.9746.54.610.00854434664.0*7/0.853.9726.84.610.00774434716.0*1/2.765.9807.13.080.00705844886.0*7/1.045.9467.33.080.006558449410*7/1.3510.0158.81.830.00657962146167/1.7015.8810.21.150.0062111852012519/1.3025.2113.20.7270.00581461103043519/1.5334.9115.20.5280.00521801354105037/1.3049.0919.10.3870.00512281705717037/1.5569.7820.10.2680.00352812207709537/1.8094.1122.50.1930.0035344270105412037/2.03119.6926.00.1530.0032397320129815037/2.25147.0428.40.1240.0032456360160818537/2.52184.4531.30.09910.0032519425199724061/2.25242.4235.70.07540.0032592510261130061/2.50299.2838.10.06010.0030685570323440061/2.85388.9540.20.04700.00287996904163500*91/2.62490.3645.20.03660.00268608005219630*91/2.95621.6647.50.02830.00269908806499800*91/3.34796.9055.60.02210.00261120100082391000*91/3.74999.2061.30.01760.002612601180102382x1.52x1/1.381.49510.012.10.01120181142x1.52x7/0.521.48610.512.10.01020181222x2.52x1/1.782.48711.57.410.00927251552x2.52x7/0.682.54212.07.410.01027251692x4.02x1/2.253.97412.54.610.008538332002x4.02x7/0.853.97213.04.610.007738332162x6.02x1/2.765.98013.53.080.007050432582x6.02x7/1.045.94614.03.080.006550432782x102x7/1.3510.01516.51.830.006569594212x162x7/1.7015.88920.01.150.005292906312x252x7/2.1425.17824.00.7270.00501251259532x352x7/2.5234.91327.50.5240.004414113512713x1.53x1/1.381.49510.512.10.01113131343x1.53x7/0.521.48611.012.10.01013131433x2.53x1/1.782.48712.07.410.01021201863x2.53x7/0.682.54212.57.410.00921202023x4.03x1/2.253.97413.04.610.008527262463x4.03x7/0.853.97213.54.610.007727262643x6.03x1/2.765.98014.53.080.007036363343x6.03x7/1.045.94615.53.080.006536363593x103x7/1.3510.01519.01.830.006555515693x163x7/1.7015.88921.51.150.005270688173x253x7/2.1425.17826.00.7270.0050929112373x353x7/2.5234.91329.00.5240.004412511016274x1.54x1/1.381.49511.512.10.01114141634x1.54x7/0.521.48612.012.10.01014141734x2.54x1/1.782.48713.07.410.01022202284x2.54x7/0.682.54213.57.410.00922202484x4.04x1/2.253.97414.54.610.008527263174x4.04x7/0.853.92715.04.610.007727263394x6.04x1/2.765.98016.03.080.007035334304x6.04x7/1.045.94617.03.080.006535335604x104x7/1.3510.01520.51.830.006557467804x164x7/1.7015.88923.51.150.0052706110234x254x7/2.1425.17828.50.7270.0050938215774x354x7/2.5234.91832.00.5240.004412610020495x1.55x1/1.381.49512.012.10.01114131905x1.55x7/0.521.48612.512.10.01014132025x2.55x1/1.782.48714.07.410.01022182685x2.55x7/0.682.54214.57.410.00922182905x4.05x1/2.253.97416.04.610.008526243885x4.05x7/0.853.92717.04.610.007726244155x6.05x1/2.765.98017.53.080.007035315105x6.05x7/1.045.94618.53.080.006535315465x105x7/1.3510.01522.01.830.006557438465x165x7/1.7015.88926.01.150.0052705712505x255x7/5.1425.17831.50.7270.0050907718955x355x7/2.5234.91335.00.5240.0044125952503预制分支电缆的主要性能：1、 绝缘电阻200M； 2、绝缘耐压3.5kV/5min； 3、良好气密性与防水性，即将分支接头浸入水中，在水与电缆芯之间测量绝缘电阻和工频耐压均应符合1和2的要求。4、分支接头的接触电阻的小，接触电阻与等长的分支线的基准电阻之比值1.2； 5、接头短路强度大，短路后接触电阻比率的变化率鉴0.2； 6、ZR-YJV型阻燃预制分支电缆,护套的自熄时间续12s，符合GB12666.5 的要求； 7、NH耐火型电缆除了能在正常的工作条件下供电外，也能在燃烧情况下，保持90min的正常运行，符合GB12666.6的要求。 8、VV型电缆的铜芯的最高工作温度为70，YJV型电缆的铜芯的最高工作温度为90； 9、具有优良的耐腐蚀性，能抵抗无机盐、油、碱、酸和有机深剂对它的腐蚀； 10、YJV型预制分支电缆具有优良的热稳定性和抗老化性； 铜芯电缆使用特性及主要技术性能：1、 导体长期允许的最高工作温度为70度，短路时（最长持续时间不超过5秒），电缆导体的最高温度不超过160度。2、 导体直流电阻符合GB/T3956的规定。3、 敷设时的环境温度不低于0度，低于0度时应先加热，最小弯曲半径不小于电缆外径的15倍。4、 电缆敷设不受落差限制。5、 工频电压试验：2.5 U0+2KV/5min不击穿（U0为3.6KV及以下）。6、 局部放电实验：1.5 U0下放电量不大于10PC。7、 阻燃特性：阻燃电缆能经受GB18380规定的成束燃烧试验。低烟低卤阻燃电缆能经受GB18380规定的成束燃烧试验，且燃烧时烟浓度应符合GB18380的规定，燃烧析出气体中HCL含量应100mgg,并符合IEC754-1的要求。低烟无卤阻燃电缆能经受GB18380规定的成束燃烧试验、且燃烧时的烟浓度应符合GB18380的规定，燃烧析出气体水溶液的PH值4.3，导电率10s/mm并符合IEC754-2的要求。8、 额定电压0.6/1kv聚氯乙烯/交联聚乙烯绝缘、聚氯乙烯护套（阻燃）电力电缆执行GB/T12706-2002标准，阻燃型电缆燃烧特性执行GA306-2001、IEC332-1992标准。9、0.6/1kv成品电缆绝缘电阻，换算到20的电阻值应不小于36.7M.km,成品电缆在室温下，应经受交流50HZ，3.5KV试验电压的耐压试验，试验稳定持续时间5分钟不击穿。