型号名称及使用范围 Model descrtptions and Use scope
型 号 Model
|
名 称
Descrtptions |
使 用 范 围
Scope of application |
MVV
|
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 mines |
MYJV
|
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 Energy transmission linebut not mechanical impact in mines |
MVV22
|
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 mines |
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 PVC 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 mines |
MYJV22
|
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 mines |
MYJV32
|
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 mines |
MYJV42
|
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 mines |
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
型 号
Model |
芯 数
Core number |
额定电压(KV)
Rated voltage |
标称截面 mm2
Nominal sectional |
|
主线芯
Master core |
中性线芯(第四根芯)
Neutrality core |
|||
MVV MYJV
|
3
|
0.6/1
|
1.5-185
|
-
|
MVV22
|
2.5-185
|
|||
MYJV22
|
4-185
|
|||
MVV32 MYJV32 MYJV42
|
4-185
|
|||
MVV MVV22
|
3+1
|
0.6/1
|
4-185
|
2.5-95
|
4
|
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 Max. rated temperature |
XLPE绝缘90℃， PVC绝缘70℃ XLPE insulation90℃ PVC insulation70℃ |
| 电缆敷设时的环境温度 Cable laying environment temperature |
≥0℃ |
| 短路时电缆导体的最高温度(持续时间≤5S) Short circuit electric cable conductor max. temperature |
XLPE绝缘≤250℃， PVC绝缘≤160℃ XLPE insulation≤250℃PVC insulation≤160℃ |
| 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2倍 Uses the column diameter for the electric cable bend test 2 times |
电缆主要技术性能 Major technical performances
1、 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(≤Ω/Km)
DC resistance of the conductor at 20℃ |
+20℃绝缘电阻常数(≥MΩ.Km)
Insulation resistance at 20℃ |
MVV MVV22
MVV32 MYJV MYV22 MYJV32 MYJV42 |
1.5
|
12.1
|
36.7
|
2.5
|
7.41
|
||
4
|
4.62
|
||
6
|
3.08
|
||
10
|
1.83
|
||
16
|
1.15
|
||
25
|
0.727
|
||
35
|
0.524
|
||
50
|
0.387
|
||
70
|
0.268
|
||
95
|
0.193
|
||
120
|
0.153
|
||
150
|
0.124
|
||
185
|
0.991
|
2、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 performances
|
|
1
|
+20℃时导体直流电阻(≤Ω/Km) Conductor DC resistance at 20℃ |
见上表 See above table | |
2
|
+20℃时绝缘电阻的常数(≥MΩ·Km) Insulation resistance at 20℃ |
见上表 See above table | |
3
|
5min工频交流电压试验 5min power frequency alternating current pressure test |
芯-芯 Core-Core 芯-铠装 Core-Armor |
3500V不击穿 3500V no breakdown |
4
|
4h交流高压试验 4h AC high voltage test |
2400V不击穿 2400V no breakdown | |
5
|
单根垂直燃烧试验 Single wire burning test |
MT386 | |
6
|
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 test |
|
