产品标准 Standard
本产品按GB12706-91《额定电压35KV及以下铜芯、铝芯塑料绝缘电力电缆》、GB12666.5-90《电线电缆成束燃烧试验》、GB/T17650-1998《取自电缆或光缆的材料燃烧时释出气体的试验方法》和GB/T17651-1998《电缆或光缆在特定条件下燃烧的烟密度测定》标准生产0.6/1kv~26/35kv塑料绝缘电力电缆，同时还可根据用户需要按电工委员会*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 GB12706-91、GB12666.5-90、GB/T17650-1998 and GB/T17651-1998 or IEC and DIN and ICEA.
适用范围 Applications
本产品适用于工频额定电压0.6/1kv~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 voltage 0.6/1kv~26/35kv.
使用特性 Operating characteristics .
工频额定电压U0/U为0.6/1kv~26/35kv.
Rated power frequency voltage U0/U:0.6/1KV~26/35KV.
PVC绝缘电缆导体的*zui高工作温度为70℃。XLPE绝缘电缆导体的*允许zui高工作温度为90℃
PVC insulated power cable Max . permissible continuous operating temperature of the conductor should not exceed 70 ℃,XPLE permissible continuous operating temperature of the conductor should not exceed 90℃.
短路时（zui长持续时间不超过5s）电缆导体的zui高温度不超过250
Max Short –circurrt temperature of conductor shall not exceed 250.（5s maximum duration）
电缆敷设时环境温度不低于0℃
The installation temperature should not below 0℃
电缆阻燃性能满足GB12666.5-90标准A类相应指标要求。
The flame-ratardant properties of cable comply with the requirements specified in A kind of GB12666.5-90
低卤电缆除应满足GB12666.5-90标准中A类相应指标要求外，还应满足GB/T17650.1-1998标准规定的相应指标。
The flame-retardant properties of lower halogen cable comply with requirements specified in A kind of GB12666.5-90 except compluing with requirements specified in GB/T17650.2-1998 .
无卤电缆除应满足GB12666.5-90标准中A类相应指标要求外，还应满足GB/T17650.2-1998和GB/T17651-1998标准规定的相应指标。
The flame-retardant properties of no halogen cable comply with requirements specified in A kind of GB12666.5-90 except compluing with requirements specified in GB/T17650.2-1998 .and GB/T17651-1998.
电缆弯曲半径：三芯电缆不小于电缆外径15倍；单芯电缆不小于电缆外径20倍。
Three bending radius of a single core should not less than 20 times of the cable diameter
Two bending radius of a three-core cable should not less than 15 times of the cable diameter. 电缆额定电压的选择 Voltage designation
电缆额定电压应适合于电缆的系统的运行状况，用U0/U（Um）表示，均为有效值，单位为kv
U0- 电缆设计用导体与屏蔽或金属套之间的额定工作电压；
U—电缆设计用导体之间的额定工频电压；
Um –设备可承受的“zui高系统”电压的zui大值。
The rated voltage of the cable for a given application shall be suitable for the operating condition in the system in which the cable is used , and is expressed in the form of U0/U（Um）are applied to the system voltages and running state , and expressed in the form U0/Ukv.
U0-The rated power-frequency voltage between conductor and earth or metallic screen ,for which the cable designed .
U-The rated power –frequency voltage between conductors for which the cable designed.
Um- –The maximum value of “the highest system voltage ”for which the equipment may be used. 三相系统用电缆的U0值*如下表：
The values U0 recommended for cables to be used in three-phase systems are listed below: |
