聚氯乙烯绝缘电力电缆
本厂生产的聚氯乙烯绝缘电力电缆采用IEC标准,适用于3.6/6KV及以下输配电系统,近年来又开发了阻燃 电缆、耐火电缆、低烟无卢电缆及五芯系列电力电缆。
执行标准:GB/T 12706-2002(等效采用IEC502),阻燃 电缆、耐火电缆还符合IE332-3,IEC331,亦可按用户所需的技术需求生产。
聚氯乙烯电缆包括vv电缆,vv22电缆,vlv电缆,vlv22电缆,zrvv电缆,nhvv电缆,zrvv22电缆,nhvv22电缆, 护套线
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结构示意图
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型号
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产品名称
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电压
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芯数
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截面
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主要适用范围
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VV
VLV |
铜芯、铝芯聚氯乙烯绝缘聚氯乙烯护套电力vv电缆
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0.6/1KV
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1,
2, 3, 4, 3+1, 5, 4+1, 3+2, (1,3) |
1-240
50-240 |
敷设在室内、隧道、及沟管中,不能承受机械外力的作用
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VV22
VLV22 |
铜芯、铝芯聚氯乙烯绝缘聚钢带铠装聚氯乙烯护套电力vv22电缆
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4-240
50-240 |
同VV型,能直埋在土壤中可承受机械外力,不能承受大的拉力
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ZRVV
ZRVLV |
铜芯、铝芯聚氯乙烯绝缘聚氯乙烯护套阻燃电力zrvv电缆
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1-240
50-240 |
同VV型,适用于有阻燃要求的场合
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ZRVV22
ZRVLV22 |
铜芯、铝芯聚氯乙烯绝缘钢带铠装聚氯乙烯护套阻燃电力电缆
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4-240
50-240 |
同VV22型,适用于有阻燃要求的场合
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NHVV-A
NHVV-B |
铜芯聚氯乙烯绝缘聚氯乙烯护套耐火电力vhvv电缆
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10-240
50-240 |
同VV型,适用于有耐火要求的场合
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NHVV22-A
NHVV22-B |
铜芯聚氯乙烯绝缘钢带铠装聚氯乙烯护套耐火电力电缆
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10-240
50-240 |
同VV22型,适用于有耐火要求的场合
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聚乙烯绝缘电力电缆
额定电压0.6/1kV低压交联聚乙烯绝缘电力电缆产品说明
低压交联电缆产品按GB/T12706-2002《额定电压1kV到 3kV挤包绝缘电力电缆》标准生产,同时还可根据用户需要按标准生产。
1、用途: |
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6kV~35kV 中低压铜芯及铝芯交联聚乙烯绝缘电力电缆
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:
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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 |
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