产品简介
YJV10KV高压电缆报价
YJV10KV高压电缆报价
产品价格:¥2
上架日期:2012-03-10 20:25:15
产地:廊坊
发货地:廊坊
供应数量:不限
最少起订:1米
浏览量:966
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详细说明
    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 b of U0/U(Um)kv
    Where:
    U0-The rated power-frequency voltage between conductors and earth bllic 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 21 26
    A类系统──该类系统任何一相导体与地和接地导体接触时,能在1min内与系统分离
    B类系统──该类系统仅包括单相接地故障短时运行的条件,接地故障时间应不超过1h, 但在任何情况下,最长不超过8h每年接地故障总持续时间不超过125h;
    C类系统──不属于A类、B类的系统。
    System category A──This category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min.
    System category B ──This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h.
    System categeory C──This category comprises all systems which do not fall into A and B
    电缆的型号Type of cable
    型号 Type 名称 Designation 适用范围 Application
    YJV 铜芯交联聚乙烯绝缘氯乙烯护套电力电缆 Copper conductor,XLPE insulated and PVC sheathed power cable 室内、隧道及电缆沟等场所,不能承受机械外力。单芯电缆不允许敷设在磁性管道中。 For laying indoors 、 intunnel or cable trench,unable to bear external mechan-icalforces.Single-core
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