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低压电力电缆

执行标准

GB/T12706.1-2008额定电压1KV(Um=1.2KV)和3KV(Um=3.6KV)电缆


产品应用

本产品适用于固定敷设在交流50HZ、额定电压0.6/1KV及以下的电力输配电线路上作输送电能用。

Product Details

使用特性

1)电缆导体的最高额定温度为90℃。

2)短路时(最长持续时间不超过5s)电缆导体的最高温度不超过250℃,过载温度不超过130℃。

3)敷设电缆时的环境温度应不低于0℃,其最小弯曲直径不小于下列规定:

单芯电缆20D(mm),有铠装电缆15D。

多芯电缆15D(mm),有铠装电缆12D。

其中:D—代表电缆实际外径。


产品性能

1)电缆主要技术性能指标参数见表1。

2)电力电缆电容、电感、电抗见附表D。


表1  电缆主要技术性能指标参数

序号项目单位指标
1导体直流电阻Ω/Km见附录A
2绝缘电阻常数(90℃,最小)MΩ/Km3.67
3交流电压实验试验电压实验时间实验结果KVmin3.55绝缘不发生击穿
4四小时高电压试验试验电压试验时间实验结果KVh2.44试样应不击穿
5绝缘热延伸试验实验条件空气温度载荷时间机械应力负载下伸长率(最大)冷却后永久伸长率(最大)℃MinN/cm²%%200±31512017515


产品命名

1)电缆型号用字母及数字含义

T ...................................................................... 铜导体(省略)

L .......................................................................... 铝导体

YJ ......................................................................... 交联聚乙烯(XLPE)绝缘

V .......................................................................... 聚氯乙烯(PVC)护套

Y ........................................................................... 聚乙烯(PE)护套


产品型号(见表2)

表2 产品型号

型号产品名称适用范围及环境
铜芯铝芯
YJVYJLV交联聚乙烯绝缘聚氯乙烯护套电力电缆室内、隧道、管道、电缆沟等
YJYYJLY交联聚乙烯绝缘聚烯烃护套电力电缆
YJV22YJLV22交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆室内、隧道、管道、电缆沟、地下直埋、可承受机械压力


产品规格(表3)

表3 产品规格

型号芯数标称截面(mm²)
YJVYJYYJLVYJLY11.5-8002.5-800
YJVYJYYJLVYJLY2、3+13、4+14、3+251.5-3002.5-300
YJV22YJLV224~300


规格尺寸及重量(规格尺寸及重量见表4~5)

表4  0.6/1KV单芯交联聚乙烯绝缘电力电缆

芯数及标称截面(mm²)YJV  YJY  YJLV  YJLY芯数及标称截面(mm²)YJV  YJY  YJLV  YJLY
计算外径(mm)计算重量(kg/km)计算外径(mm)计算重量(kg/km)
铜芯铝芯铜芯铝芯
1X1.56.860511X9517.91027438
1X2.57.273581X12019.51272530
1X47.791671X15021.61554646
1X68.2115781X18523.61922777
1X109.0157971X24026.02450965
1X169.92181221X30028.530241167
1X2511.93281731X40032.239951519
1X3512.94282111X50035.746971872
1X5014.45812721X63040.062402341
1X7016.37853521X80046.679122960


表5  0.6/1KV多芯交联聚乙烯绝缘电力电缆

芯数及标称截面(mm²)YJV  YJY  YJLV  YJLYYJV22     YJLV22
计算外径(mm)计算重量(kg/km)计算外径(mm)计算重量(kg/km)
铜芯铝芯铜芯铝芯
2X1.510.211799
2X2.511.0147115
2X412.018813714.6320269
2X613.023916315.6382306
2X1014.633220817.2493369
2X1616.446426819.0645449
2X2520.470639423.0917605
2X3522.492248625.01154717
2X5025.4125663228.01519895
2X7029.2170382933.423481474
2X9532.82253106836.829561770
2X12036.32808131040.335762078
2X15040.63493162244.643572486
2X18544.84248197548.852352926
3X1.510.7141113
3X2.511.6181134
3X412.623616115.2377302
3X613.730719416.3461348
3X1015.343825117.9608422
3X1617.362432919.9765470
3X2521.695648824.21180712
3X3520.7119153623.31405750
3X5023.8164771126.61905969
3X7026.8225294231.028431533
3X9530.32989121134.536541876
3X12033.73742149637.944792232
3X15037.94679187142.155022694
3X18542.05749228646.266593196
3X24047.27389289651.434073914


续表


芯数及标称截面(mm²)
YJV  YJY  YJLV  YJLYYJV22     YJLV22
计算外径(mm)计算重量(kg/km)计算外径(mm)计算重量(kg/km)
铜芯铝芯铜芯铝芯
3X30051.89157355156.0102814665
3X4+1X2.513.327017915.9419328
3X6+1X414.535721817.1519380
3X10+1X616.350728318.9689465
3X16+1X1018.473137421.0922573
3X25+1X1622.6111354725.21348782
3X35+1X1622.8136661325.41602349
3X50+1X2526.9192483231.125201428
3X70+1X3530.22625109634.432911760
3X95+1X5034.83531144138.842752184
3X120+1X7038.44479179642.653152632
3X150+1X7042.25404215946.463223078
3X185+1X9547.16737268151.377573701
3X240+1X12052.58620338056.797534513
3X300+1X15062.511051449966.5123685816
4X1.511.4181132
4X2.511.8215152
4X413.628718716.2437337
4X614.837822717.4541390
4X1016.754830019.3732484
4X1618.979240021.5986594
4X2523.7122159726.31466842
4X3523.0154967525.61787913
4X5026.4215490629.224381191
4X7030.32961121433.132871540
4X9534.33937156638.546852314
4X12037.94944194941.957442749
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