DOC《口碑来自信任-质量第一,用户至上是我们的宗旨》

口碑来自信任-质量第一,用户至上是我们的宗旨 冀东普天产品名称:高压电缆 联系

电话:18231629041 冀东产品描述: 6kV~35kV 中低压铜芯及铝芯交联聚乙烯绝缘电力电缆(YJV电缆,YJV22电缆,YJLV电缆,YJLV22电缆) XLPE Insulated Power Cable 交联聚乙烯绝缘电力电缆是采用化学方法或物理方法,使聚乙烯分子由线型分子结构转变为三维网状结构,由热塑性的聚乙烯变成热固性的交联聚乙烯,从而提高了聚乙烯的耐老化性能、机械性能和耐环境能力,并保持了优良的电气性能.

交联聚乙烯绝缘电力电缆导体的允许长期最高温为90摄氏度,较低绝缘电缆、聚氯乙烯绝缘电缆和聚乙烯绝缘电缆高,且具有重量轻、结构简单、使用方便、耐化学腐蚀和敷设不受落差限制等优点. 26/35KV电力电缆,18/30KV交联电缆,12/20KVYJV电缆,8.7/15KVYJV22电缆线,6/10KV铝芯交联电缆线,3.6/6KVYJLV单芯电缆 中低压交联电缆产品标准? Standard 本产品按GB12706《额定电压35V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. 适用范围? Applications 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子用. The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kv~26/35kv. 使用特性? Operating characteristics ・ 工频额定电压U0/U为3.6/6kv~26/35kv. Rated power-frepuency voltage U0/U: 3.6/6kv~26/35kv. ・ 电缆导体的最高允许工作温度:90℃. Max.admissible operating temperature of the conductor:90℃. ・ 短路时(最长时间不超过5s)电缆导体的最高温度不超过2500C. Max. short-circurt temperature of conductor shall not exceed 2500C. (5s maximum duration) ・ 电缆敷设时环境温度应不低于00C. The ambient temperature under installation should not below 00C. ・ 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. The bending radius of a single-core cable should not less than

20 times of the cable diameter. The bending radius of a single-core cable should not less than

15 times of the cable diameter. 电缆额定电压的选择?? Voltage designation ・ 电缆的额定电压应适合于电缆系统的运行状况,用U0/U(Um)kv表示. U0-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-电缆设计用的导体间的额定工频电压;

Um-设备可承受的 最高系统电压 的最大值. The rated voltage of the cable for a given applixation shall be suitable for the operating conditions in the system in which the cable is used,and is expressed in the form of U0/U(Um)kv Where: U0-The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed;

U - The rated power-frequency voltage between conductos, for which the cable designed;

Um- The maximum value of the highest system voltage for which the equipment may beused. ・ 三相系统用电缆的U0值推荐如下表: The values of U0 recommened for cable to be used in three-phase systems are listed below: U kv U m kv U

0 * kv A 和B类系统 System categories A and B C 类系统 Systems categories C

6 7.2 3.6

6 10

12 6 8.7

15 17.5 8.7

12 20

24 12

18 30

36 18 -

35 40.5