Descrtptions
Scope of application
PVC insulated PVC sheathed power cables for use in mines
Energy transmission linebut not mechanical impact in mines
XLPE insulated PVC sheathed power cables for use in mines
Energy transmission linebut not mechanical impact in mines
PVC insulated steel tape armored PVC sheathed power cables for use in mines
Energy transmission linecan bearing mechanical impact in mines
PVC insulated fine steel wire armored PVC sheathed power cables for use in mines
Energy transmission linecan bearing some full in mines
XLPE insulated steel tape armored PVC sheathed power cables for use in mines
Energy transmission linecan bearing mechanical impact in mines
XLPE insulated fine steel wire armored PVC sheathed power cables for use in mines
Energy transmission linecan bearing some full in mines
XLPE insulated coarse steel wire armored PVC sheathed power cables for use in mines
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 |