| 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**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**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**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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