YJV22 3*50 3*70 电缆价格 8.7/10KV高压电力电缆价格

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zui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zui高允许工作温度：90℃。Max.admissible operating temperature of the conductor:90℃.· 短路时（zui长时间不超过5s）电缆导体的zui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“zui高系统电压”的zui大值。The rated voltage of the cable for a given applixation shall be suitable for the operating conditionsin the system in which the cable is used,and is expressed in the form of U0/U（Um）kvWhere: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:

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