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聚氯乙烯护套聚乙烯绝缘电力电缆

产品标准
standard
本产品按gb12706《额定电压35kv及以下铜芯、铝芯塑料绝缘电力电缆》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 gb12706 or iec , bs , din and icea upon request
适合范围
applications
本产品适用于额定电压35kv及以下配电网或工业装置中固定敷设之用。
the product is suitable for use in power distribution networks or fixed installations for industrial e with rated voltage up to and including 35kv.
使用特性
operating characteristics
1、 ● 额定电压3.6/6kv~26/35kv交联聚乙烯绝缘电力电缆
xlpe insulated electrical cable for rated power frequency voltage uo/u:3.6/6kv~26/35kv.
● 电缆导体的允许长期高工作温度为90℃。
max.permissible continuous operating temperature of conductor:90℃
● 短路时（长持续时间不超过5s）电缆导体的高温度不超过250℃。
max.short-circuit temperature of conductor shall not exceed 250℃.(5s max. duration)
● 敷设电缆时环境温度应不低于0℃。
the bending radius of single-core cable shall not less than 20 times of the cable diameter
the bending radius of three-cores cable shall not less than 15 times of the cable diameter
2、 ● 额定电压0.6/1kv交联聚乙烯绝缘电力电缆
xlpe insulated electrical cable for rated power frequency voltage uo/u : 0.6/1kv
● 电缆导体的允许长期高工作温度为90℃。
max.permissible continuous operating temperature of conductor : 90℃
● 短路时（长持续时间不超过5s）电缆导体的高温度不超过250 ℃
max.short-circuit temperature of the conductor shall not exceed 250 ℃
● 敷设电缆时环境温度应不低于0 ℃
the ambient temperature under installation shall not below 0 ℃
● 电缆弯曲半径不小于电缆外径15倍
the bending radius of a cable shall not less than 15 times of the cable diameter .
3、 ● 额定电压0.6/1kv聚氯乙烯绝缘电力电缆。
pvc insulated electrical cable for rated power frequency voltage uo/u : 0.6/1kv
● 电缆导体的允许长期高工作温度为70 ℃
max.permissible continuous operating temperature of conductor : 70 ℃
● 短路时（长持续时间不超过5s）电缆导体高温度不超过：160℃
max.short-circuit temperature of the conductor shall not exceed :160℃
● 敷设电缆时环境温度应不低于0 ℃
the ambient temperature under installation shall not below 0 ℃
● 电缆弯曲半径不小于电缆外径10倍
the bending radius of a cable shall not be less than 10 times of the cable diameter.
电缆额定电压的选择
voltage designation
● 电缆的额定电压应适合于电缆使用系统的运行状况，用uo/u（um）kv表示。
uo—电缆设计用的导体与屏蔽或金属套之间的额定工频电压；
u—电缆设计用的导体之间的额定工频电压；
um—设备可承受的“高系统电压”的大值。
the rated voltage of the cable for a given application shall be suitable for the operating conditions in the system in which the cable is used , and is expressed in the form uo/u（um）kv .
where:
uo—the rated power-frequency voltage between conductor and screen or metallic-sheath , 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 e may be operated
注：类——用于单相接地故障时间每一次一般不大于1min, 亦可用于长不超过8h , 第年累计不超过125h 的系统。
第二类一一用于接地故障时间更长的系统及对电缆绝缘性能要求较高的场合。
the first class cable-suitable for one single-phase earth-fault time does not exceed 1 min each time and max.
time not exceed 8 hours , and not exceed 125 hours in all in one year.
the second class cable suitable for more the earth-fault time and more better insulation performance

电压等级：

0.6/1kv 低压电力电缆

3.6/6kv 6/10kv 8.7/15kv 12*20kv 18/30kv 21/35 kv 26/35kv高压电缆

规格型号：

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