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1、煤矿用阻燃电力电缆Fire retardant power cables in mines产品用途:产品适用于煤矿井下额定电压 0.6/1KV 及以下输配电线路。Scope of application:The product is suitable in coal mine mine shaft rated voltage 0.6/1KV and below loses the distribution line执行标准 Standards implemented: MT 818-1999型号名称及使用范围 Model descriptions and Use scope型 号 Model名
2、 称Descriptions使 用 范 围Scope of applicationMVV煤矿用聚氯乙烯绝缘聚氯乙烯护套电力电缆PVC insulated PVC sheathed power cables for use in mines矿井中电能传输线路但不能承受机械外力作用Energy transmission linebut not mechanical impact in minesMYJV煤矿用交联聚乙烯绝缘聚氯乙烯护套电力电缆XLPE insulated PVC sheathed power cables for use in mines矿井中电能传输线路但不能承受机械外力作用En
3、ergy transmission linebut not mechanical impact in minesMVV22煤矿用聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆PVC insulated steel tape armored PVC sheathed power cables for use in mines矿井中电能传输线路能承受一定机械外力Energy transmission linecan bearing mechanical impact in minesMVV32煤矿用聚氯乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆PVC insulated fine steel wire ar
4、mored PVC sheathed power cables for use in mines矿井中电能传输线路能承受一定的拉力Energy transmission linecan bearing some full in minesMYJV22煤矿用交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆XLPE insulated steel tape armored PVC sheathed power cables for use in mines矿井中电能传输线路能承受一定机械外力Energy transmission linecan bearing mechanical impact in
5、minesMYJV32煤矿用交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆XLPE insulated fine steel wire armored PVC sheathed power cables for use in mines矿井中电能传输线路能承受一定的拉力Energy transmission linecan bearing some full in minesMYJV42煤矿用交联聚乙烯绝缘粗钢丝铠装聚氯乙烯护套电力电缆XLPE insulated coarse steel wire armored PVC sheathed power cables for use in min
6、es矿井中电能传输线路能承受较大的拉力Energy transmission linecan bearing bear full in mines注：XLPE 绝缘比 PVC 绝缘具有绝缘强度高，抗老化，耐化学腐蚀及防水性能等优点XLPE insulation strength the PVC insulation to be higher than the anti-aging bears merits and so on chemistry corrosion and waterproof performance.电缆规格 Specifications标称截面 mm2Nominal sec
7、tional 型 号Model芯 数Core number额定电压(KV)Rated voltage主线芯Master core中性线芯(第四根芯)Neutrality coreMVV MYJV1.5-185MVV222.5-185MYJV224-185MVV32 MYJV32 MYJV4230.6/14-185-3+12.5-95 MVV MVV22 40.6/14-185 4-185电缆结构示意图 IIIustration of cable structure使用特性 Service characteristics 电缆导体的最高额定温度Electric cable conductor M
8、ax. rated temperatureXLPE 绝缘 90， PVC 绝缘 70XLPE insulation90 PVC insulation70电缆敷设时的环境温度Cable laying environment temperature0短路时电缆导体的最高温度(持续时间5S) Short circuit electric cable conductor max. temperatureXLPE 绝缘250， PVC 绝缘160XLPE insulation250PVC insulation160电缆的最小弯曲半径Minimun bending radius为电缆弯曲试验用圆柱直径的
9、2 倍Uses the column diameter for the electric cable bend test 2 times电缆主要技术性能 Major technical performances1、 电缆导体直流电阻及绝缘电阻 Cable conductor DC resistance and insulated resistance型 号Model标称截面 (mm2)nominal sectional +20导体直流电阻(/Km) DC resistance of the conductor at 20+20绝缘电阻常数(M.Km)Insulation resistance
10、at 201.512.12.57.4144.6263.08101.83161.15250.727350.524500.387700.268950.1931200.1531500.124MVV MVV22MVV32 MYJVMYV22 MYJV32MYJV421850.99136.72、电缆其它主要技术性能 Other major technical performances(型号 Model:MKVV22、MKVV32、MKVV42、MKVV、MKVVR、MKVVP、MKVVP2、MKVVRP)序 号Serial number项目 Items技术性能 Technical performance
11、s1+20时导体直流电阻(/Km) Conductor DC resistance at 20 见上表 See above table2+20时绝缘电阻的常数(MKm)Insulation resistance at 20见上表 See above table35min 工频交流电压试验5min power frequency alternating current 芯-芯 Core-Core芯-铠装 Core-Armor3500V 不击穿 3500V no breakdown pressure test44h 交流高压试验4h AC high voltage test2400V 不击穿 2400V no breakdown 5单根垂直燃烧试验 Single wire burning testMT3866成束燃烧试验Group burning test 符合 GB/T18380.3 标准中 B 类成束燃烧试验要求Conforms to GB/T18380.3 standard B kind group burning
