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电缆的型号 Type and Decription
型号 Type |
名称 Description |
适用范围 Application |
YJV YJLV |
铜芯(铝芯)交联聚乙烯绝缘聚氯乙烯护套电力电缆
Copper(aluminum)conductor,XLPE insulated and PVC sheathed cable |
敷设在室内,隧道及管道中,不能承受机械外力
For laying indoors,in tunnel or pipe,unable to bear external mechanical force |
YJY YJLY |
铜芯(铝芯)交联聚乙烯绝缘聚乙烯护套电力电缆
Copper(aluminum)conductor,XLPE insulated and PE sheathed cable |
YJV22 YJLV22 |
铜芯(铝芯)交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆
Copper(aluminum)conductor,XLPE insulated,steel tape armored and PVC sheathed cable |
室内,隧道,电缆沟内,或埋地敷设等,能承受一定的机械外力,但不能承受大的拉力
For laying indoors,in tunnel,cable trench,or direct in ground,can bear external mechanical force ,while unable to bear large tension |
YJV23 YJLV23 |
铜芯(铝芯)交联聚乙烯绝缘钢带铠装聚乙烯护套电力电缆
Copper(aluminum)conductor,XLPE insulated,steel tape armored and PE sheathed cable |
YJV32 YJV42 YJLV42 YJLV32 |
铜芯(铝芯)交联聚乙烯绝缘细(粗)钢丝铠装聚氯乙烯护套电力电缆
Copper(aluminum)conductor,XLPEinsulated,thin(thick) steel wire armored and PVC sheathed cable |
敷设在高落差地区,能承受一定的机械外力和一定的拉力 For laying in high drop area ,can bear external mechanical force and certain tension |
YJV33 YJV43 YJLV43 YJLV33 |
铜芯(铝芯)交联聚乙烯绝缘细(粗)钢丝铠装聚乙烯护套电力电缆
Copper(aluminum)conductor,XLPE insulated,thin(thick) steel wire armored and PE sheathed cable |
备注:公司还可生产62、72规格的产品。
Notes: We can also produce non-magnetic steel tape and metal wire armored cable |
产品标准 Standard of Product
本产品按GB/T12706-2002《额定电压1KV(Um=1.2KV) 到35Kv(Um=40.6KV)挤包绝缘电力电缆及附件》标准生产,同时还可根据用户需要按国际电工委员会推荐标准IEC、英国标准、德国标准及美国标准生产。
The product is manufactured according to the standard of GB/T12706-2002.At the same time ,it can also be manufactured according to IEC, BS, DIN and AEIC upon request.
适用范围 Application
本产品适用于工频额定电压3.6/6kV~26/35kV输配电线路作配送电能之用。
The product is suitable for power transmission and distribution lines with rated power frequency voltage 3.6/6kV~26/35kV.
使用特性 Operating Characteristic
工频额定电压Uo/U为3.6/6kV~26/35kV。
Power frequency rated voltage Uo/U: 3.6/6kV~26/35kV
电缆导体允许的长期最高工作温度:90℃。
Max. permissible continuous operating temperature of the conductor: 90℃.
短路时(最长时间不超过5s)电缆导体的最高温度不超过250℃。
Max. temperature of conductor during short-circuit (5s maximum duration) shall not exceed 250℃.
电缆敷设时环境温度应不低于0℃。
The ambient temperature under installation should not below 0℃.
电缆弯曲半径:单芯电缆不小于电缆外径20倍;多芯电缆不小于电缆外径15倍。
The bending radius of a single-core cable: not less than 20 times of cable’s OD
The bending radius of a multi-core cable: not less than 15 times of cable’s.OD
电缆敷设运行条件 The installation operating condition of cable
电缆导体的允许长期最高工作温度: 90℃。
Max. permissable continuous operating temperature of the conductor: 90℃.
环境空气温度:40℃。
Ambient air temperature: 40℃.
土壤温度:25℃。
Soil temperature: 25℃.
土壤热阻系数:1.0k.m/w。
Thermal resistivity of soil: 1.0k.m/w.
埋设深度:0.7m
Depth of laying: 0.7m.
仅考虑一个回路
Only consider a loop
单芯电缆为水平敷设,间距为一个电缆外径。
If the single-core cable is paralleled laid, adjacent space is equivalent to cable’s OD..
不同土壤温度下的载流量修正系数
Correction factor of current rating under different soil temperature
导体工作温度
Operating Temperature of Conductor |
环境温度℃(土壤中) Ambient Temperature in Soil |
10 |
15 |
20 |
25 |
30 |
35 |
载流量修正系数 Correction Factor of Current Rating |
90℃ |
1.11 |
1.07 |
1.04 |
1.00 |
0.96 |
0.92 |
不同土壤热阻系数的载流量修正系数
Correction factor of current rating under different soil thermal resistivity
导体工作温度
Operating Temperature of Conductor |
电压等级(KV)
Rated Voltage |
土壤热阻系数(k.m/w)Soil Thermal Resistivity |
0.8 |
1.0 |
1.2 |
1.5 |
载流量修正系数 Correction Factor of Current Rating |
90℃ |
0.6/1-6/6 |
1.08 |
1.0 |
0.95 |
0.77 |
6/10-12/15 |
1.06 |
1.0 |
0.94 |
0.78 |
12/20-26/35 |
1.06 |
1.0 |
0.94 |
0.80 |
不同环境温度下的载流量修正系数
Correction factor of current rating under different air temperature
导体工作温度
Operating Temperature of Conductor |
环境温度℃(空气中) Ambient Temperature in Air |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
55 |
载流量修正系数 Correction Factor of Current Rating |
90℃ |
1.23 |
1.17 |
1.12 |
1.06 |
1.00 |
0.94 |
0.87 |
0.81 |
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