电缆型号 Type and Description
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 YJLV32 YJLV42
|
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,XLPE insulated,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 YJLV33 YJLV43
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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
|
产品标准 Standard of Product
本产品按GB/T 12706-2008《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IEC标准、英国标准、德国标准及美国标准生产。
The product is manufactured according to the standards of GB/T 12706-2008。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0.6/1kV及以下配电网或工业装置中固定敷设之用。
The product is suitable for power distribution lines or fixed installation with rated power- frequency voltage up to and including 0.6/1kV.
使用特性 Operating Characteristics
工频额定Uo/U为0.6/1kV。
Rated power-frequency voltage Uo/U is 0.6/1kV.
电缆导体允许长期最高工作温度为90℃。
Max. permissible continuous operating temperature of conductor is 90℃.
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℃。
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;三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 three-core cable: not less than 15 times of cable’s.OD
电缆敷设运行条件 Installation operating condition of cable
* 在空气中的敷设 In Air
1.单芯电缆平行敷设时中心距离:185mm2及以下为电缆直径的2倍;240mm2及以上为90mm。
If the single-core cables are paralleled laid , the distance between the cable center is 2 times diameter of the cable for cross-section of conductor≤185 mm2 and 90mm for cross-section of conductor ≥240 mm2.
周围环境空气温度:40℃
Ambient air temperature: 40℃
导体的长期允许最高工作温度:90℃
Max. continuous operating temperature of conductor:90℃
不同环境温度下的载流量修正系数:
Correction factor of current rating under different air temperature:
Ambient temperature |
20℃
|
25℃
|
30℃
|
35℃
|
40℃
|
45℃
|
50℃
|
55℃
|
Correction factor
|
1.23
|
1.17
|
1.12
|
1.06
|
1.00
|
0.94
|
0.87
|
0.81
|
* 直埋敷设 Direct in the ground
单芯电缆不接触敷设时电缆中心距离为电缆直径的2倍。
If he single-core cables are installed separately , the distance between the cable’s center is 2 times diameter of the cable.
土壤温度:25℃
Soil temperature: 25℃
导体的长期允许最高工作温度: 90℃
Max. continuous operating temperature of conductor: 90℃
4. 土壤热阻系数:1.0k.m/w ]
Soil thermal resistivity:1.0k.m/w
5. 直埋深度:0.7m
Depth of laying : 0.7 m.
不同土壤温度下的载流量修正系数:
Correction factor of current rating under different soil temperature:
Soil temperature |
10℃
|
15℃
|
20℃
|
25℃
|
30℃
|
35℃
|
Correction factor
|
1.11
|
1.07
|
1.04
|
1.00
|
0.96
|
0.92
|
电缆结构图示例Structure Diagram of Cable