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 debions and Use scope
型 号 Model
|
名 称
Debions
|
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 line,but 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 line,but 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 line,can 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 line,can 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 line,can 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 line,can 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 line,can 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 perbance.
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 perbances
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 perbances
(型号Model:MKVV22、MKVV32、MKVV42、MKVV、MKVVR、MKVVP、MKVVP2、MKVVRP)
序 号
Serial number
|
项目 Items
|
技术性能 Technical perbances
|
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
Conbs to GB/T18380.3 standard B kind group burning test |
|
