VV: PVC insulated PVC sheathed power cable ZR-VV：聚氯乙烯绝缘聚氯乙烯护套阻燃电力电缆 ZR-VV: PVC insulated PVC sheathed flame retardant power cable 用途：敷设在室内、隧道内、管道中、电缆不能受机械外力作用 Application: for laying indoors, in tunnel, cable, pipeline can not be affected by external mechanical force VV22：聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 　　 VV22: PVC insulated PVC sheathed power cable ZR-VV22：聚氯乙烯绝缘钢带铠装聚氯乙烯护套阻燃电力电缆 ZR-VV22: PVC insulated PVC sheathed flame retardant power cable 用途：敷设在室内、隧道内、管道中、敷设在地下，电缆能受机械外力作用 Application: for laying indoors, in tunnel, pipe, cable can be laid in the ground, mechanical force YJV：交联聚乙烯绝缘、聚氯乙烯护套电力电缆 　 YJV: XLPE insulated, PVC sheathed power cable ZR-YJV：交联聚乙烯绝缘、聚氯乙烯护套阻燃电力电缆 ZR-YJV: XLPE insulated, PVC sheathed flame retardant power cable. 用途：敷设在室内、隧道内、管道中、电缆不能受机械外力作用 Application: for laying indoors, in tunnel, cable, pipeline can not be affected by external mechanical force YJV22：交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 　　 YJV22: XLPE insulated PVC sheathed power cable ZR-YJV：交联聚乙烯绝缘钢带铠装聚氯乙烯护套阻燃电力电缆 ZR-YJV: XLPE insulated PVC sheathed flame retardant power cable 用途：敷设在室内、隧道内、管道中、敷设在地下，电缆能受机械外力作用 Application: for laying indoors, in tunnel, pipe, cable can be laid in the ground, mechanical force 电力电缆的基本结构：由线芯（导体）、绝缘层、屏蔽层和保护层四部分组成。 　　 The basic structure of power cable: consists of a wire core (conductor), an insulating layer, a shielding layer and a protective layer of four parts. （1）线芯 线芯是电力电缆的导电部分，用来输送电能，是电力电缆的主要部分。 　　 (1) wire line core is a conductive part of power cable, used for conveying electrical energy, is the main part of the power cable. （2）绝缘层 绝缘层是将线芯与大地以及不同相的线芯间在电气上彼此隔离。 (2) the insulating layer of insulating layer is the core and the earth as well as the different phase of the cable core in electrically isolated from each other. （3）屏蔽层15KV及以上的电力电缆一般都有导体屏蔽层和绝缘屏蔽层，保证电能输送，是电力电缆结构中不可缺少的组成部分。 　　 (3) 15KV power cable shielding layer and more generally have a conductor shielding layer and an insulating shielding layer, ensure delivery of electrical energy, is an indispensable part in the structure of power cable. （4）保护层 保护层的作用是保护电力电缆免受外界杂质和水分的侵入，以及防止外力直接损坏电力电缆。 (4) protection protective layer's role is to protect the power cable from the invasion of external impurities and moisture, and prevent the external force directly damaged power cables. 矿用电力电缆用途： Mining power cable application: 本产品为煤矿用额定电压1KV及以下固定敷设用电缆，适用于煤矿井下的电力传输。 This product is a coal mine with rated voltage 1KV and below the fixed laying cables, power transmission used in coal mine. 矿用电力电缆使用条件： Conditions for the use of mining power cable: 线芯长期允许工作温度为65℃，电缆敷设温度不低于0℃，电缆允许最小弯曲半径为15（D+d）±5%。 Line allowed working temperature of the core is 65 ℃, the cable laying temperature not lower than 0 ℃, the cable allows the minimum bending radius is 15 (D+d) + 5%. MVV电缆，MVV22电缆，MYJV电缆，MYJV22电缆，MYJV32矿用电力电缆产品适用于煤矿井下额定电压0.6/1KV及以下输配电线路。 MVV cable, MVV22 cable, MYJV cable, MYJV22 cable, MYJV32 power cable products applicable to mine coal mine with rated voltage 0.6/1KV and below power transmission and distribution lines. MVV 聚氯乙烯绝缘聚氯乙烯护套矿用电力电缆 用途：矿井中电能传输线路，但不能承受机械外力作用 MVV PVC insulated PVC sheathed power cables for mining purposes: power transmission lines in the mine, but unable to bear external mechanical forces. MVV22 煤矿用聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 用途：矿井中电能传输线路，能承受一定机械外力 PVC insulated PVC sheathed power cable for coal mine: MVV22 power transmission line in the mine, able to bear external mechanical forces MVV32 煤矿用聚氯乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 用途：矿井中电能传输线路，能承受一定的拉力 PVC insulated steel wire armoured PVC sheathed power cable for coal mine: MVV32 power transmission line in the mine, can withstand a certain degree of tension MVV42 聚氯乙烯绝缘粗钢丝铠装聚氯乙烯护套矿用电力电缆 用途：矿井中电能传输线路，能承受较大的拉力 MVV42 PVC insulated, steel wire armoured and PVC sheathed power cable for mine use: power transmission line in the mine, can withstand greater force MYJV：交联聚乙烯绝缘聚氯乙烯护套煤矿用电力电缆 用途：矿井中电能传输线路，但不能承受机械外力作用 MYJV: XLPE insulated PVC sheathed power cable for coal mine application: power transmission lines in the mine, but unable to bear external mechanical forces. MYJV22 交联聚乙烯绝缘钢带铠装聚氯乙烯护套矿用电力电缆 用途：矿井中电能传输线路，能承受一定机械外力 MYJV22 XLPE insulated PVC sheathed power cable for mine: power transmission line in the mine, able to bear external mechanical forces MYJV32 交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套煤矿用电力电缆 用途：矿井中电能传输线路，能承受一定的拉力 MYJV32 XLPE insulation thin steel wire armoring PVC sheath power cable for coal mine application: power transmission lines in the mine, can withstand a certain degree of tension MYJV42 交联聚乙烯绝缘粗钢丝铠装聚氯乙烯护套矿用电力电缆 用途：矿井中电能传输线路，能承受较大的拉力 MYJV42 XLPE insulated thick steel wire armoured and PVC sheathed power cable for mine use: power transmission line in the mine, can withstand greater force