0.6/1kV PVC insulated power cable
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- Commodity name: 0.6/1kV PVC insulated power cable
- Commodity ID: cp1001
This product is produced in accordance with GB/T12706-2008 "Copper core and aluminum core plastic insulated power cables with rated voltages of 35kV and below". At the same time, it is also produced in accordance with the International Electrotechnical Commission's recommended standards IEC, British standards, German standards and American standards according to user needs.
1. Product standard
This product is produced in accordance with GB/T12706-2008 "Copper core and aluminum core plastic insulated power cables with rated voltages of 35kV and below". At the same time, it is also produced in accordance with the International Electrotechnical Commission's recommended standards IEC, British standards, German standards and American standards according to user needs.2. Scope of applicationThis product is suitable for fixed installation in power distribution networks or industrial installations with rated power frequency voltages of 0.6/1kV and below.3. Use characteristics3.1. Power frequency rated voltage: U0/U (Um) 0.6/1 (1.2) kV3.2. The maximum allowable long-term working temperature of the cable conductor is 70℃3.3. When short-circuit (the longest duration does not exceed 5s), the maximum allowable temperature of the cable conductor:Conductor cross section≤300mm2————160℃;Conductor cross section＞300mm2————140℃;3.4. The ambient temperature during cable laying should not be lower than 0°C.3.5. The bending radius of the cable is not less than 20 times the outer diameter of the cable.
Note: 1-conductor, 2-insulation layer, 3-filler, 4-inner cladding layer, 5-steel tape armor layer, 6-outer sheath, 7-steel wire armor layer
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Type of cable
Model number name Scope of use V V Copper core PVC insulated and sheathed power cable Indoors, tunnels, cable trenches and other places cannot bear external mechanical forces. Single-core cables are not allowed to be laid in magnetic pipes. VLV Aluminum core PVC insulated PVC sheathed power cable V Y Copper core PVC insulated and PE sheathed power cable VLY Aluminum core PVC insulated and PE sheathed power cable VV22 Copper core PVC insulated steel tape armored PVC sheathed power cable Indoors, tunnels, cable trenches are buried in the ground, etc., which can withstand certain mechanical external forces, but cannot withstand large tensile forces. VLV22 Aluminum core PVC insulated steel tape armored PVC sheathed power cable VV23 Copper core PVC insulated steel tape armored PE sheathed power cable VLV23 Aluminum core PVC insulated steel tape armored PE sheathed power cable VV32 Copper core PVC insulated thin steel wire armored PVC sheathed power cable Indoors, tunnels, cable trenches, shafts or buried laying, etc., can withstand external mechanical forces and certain tensile forces. VLV32 Aluminum core PVC insulated thin steel wire armored PVC sheathed power cable Production range
Model number Number of cores Nominal cross section of conductor (mm2) Copper conductor
Aluminum conductor
VV VY 1 1.5～800 VLV VLY 2.5～800 VV22 VV23 VLV22 VLV23 10～800 VV VY 2 1.5～630 VLV VLY 2.5～630 VV22 VV23 1.5～630 VLV22 VLV23 2.5～630 VV32 10～500 VV VY 3 1.5～630 VLV VLY 2.5～630 VV22 VV23 1.5～630 VLV22 VLV23 2.5～630 VV32 10～500 VV VY 4 1.5～630 VLV VLY 2.5～630 VV22 VV23 1.5～630 VLV22 VLV23 2.5～630 VV32 10～500 VV VY 5 1.5～630 VLV VLY 2.5～630 VV22 VV23 1.5～630 VLV22 VLV23 2.5～630 VV32 10～500 VV VY 3+1 2.5～630 VLV VLY 4～630 VV22 VV23 2.5～630 VLV22 VLV23 4～630 VV32 10～500 VV VY 4+1 2.5～630 VLV VLY 4～630 VV22 VV23 2.5～630 VLV22 VLV23 4～630 VV32 10～500 VV VY 3+2
2.5～630 VLV VLY 4～630 VV22 VV23 2.5～630 VLV22 VLV23 4～630 VV32 10～500 -
电缆运行条件
1、在空气中敷设
1.1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.。
1.2 周围环境空气温度：40℃
1.3导体的长期最高工作温度：70℃2、直埋敷设
2.1单芯电缆不接触敷设时，电缆中心距离为电缆直径的2倍。
2.2土壤温度：25℃
2.3导体的长期最高工作温度：70℃ ；土壤温度系数：1.0℃.m/w
2.4直埋深度:0.7m电缆安装使用
1、电缆的选择
1.1电缆的额定电压U0/U(Um)示为:UO是电缆设计用的导体对地或金属屏蔽之间的额定工频电压,U是电缆设计用的导体间的额定工频电压,Um是设备可承受的最高系统电压的最大值。
1.2根据电缆的敷设环境及负荷的不同，正确设计选择电缆的型号规格。非铠装型适用于架空、室内、隧道、电缆沟等场合，不能承受机械外力作用；铠装型同非铠装适用的条件外可直埋于地下，能承受一定的机械外力作用。单芯电缆不允许敷设在产生磁性管道中。易燃易暴、化学腐蚀性及高温、低温等场合应选择特殊型号的电缆。2、储存和运输
2.1电缆在储存中，应规范包装避免长期露天阳光暴晒，两端头可靠密封，不允许长期存放于潮湿的环境中且电缆盘不能平放。运输时应考虑盘高并有效固定，吊装时不允许几盘同时吊装，严禁从高处推下。
3、敷设安装
3.1电缆敷设应采用专用工具，如放线架、导辊等，敷设过程中防止机械损伤，远离热源。
3.2 电缆穿管敷设时，管道内径不小于电缆外径的1.5倍,多根电缆穿管时禁止电缆拧绞挤压,管道有足够的容量，要求电缆的总面积不超过管内总面积的40%.
3.3电缆敷设最低温度不低于0℃,弯曲半径不小于20倍。
3.4当采用牵引导体夹头方式敷设时，允许最大牵引力为P=OA(N),A导体截面. O为50N/mm2(铜)和30N/mm2(铝)。4、试验
安装结束后电缆不带负荷下进行绝缘电阻测试，必要时可进行交流工频耐压试验，历时1min.
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