產(chǎn)品用途:產(chǎn)品適用于煤礦井下額定電壓0.6/1KV及以下輸配電線路。
Scope of application:The product is suitable in coal mine mine shaft rated voltage 0.6/1KV and below loses the distribution line
執(zhí)行標(biāo)準(zhǔn) Standards implemented: MT 818-1999
型號名稱及使用范圍 Model descriptions and Use scope
型 號 Model
|
名 稱
Descriptions
|
使 用 范 圍
Scope of application
|
MVV
|
煤礦用聚氯乙烯絕緣聚氯乙烯護(hù)套電力電纜
PVC insulated PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,但不能承受機械外力作用
Energy transmission line,but not mechanical impact in mines |
MYJV
|
煤礦用交聯(lián)聚乙烯絕緣聚氯乙烯護(hù)套電力電纜
XLPE insulated PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,但不能承受機械外力作用
Energy transmission line,but not mechanical impact in mines |
MVV22
|
煤礦用聚氯乙烯絕緣鋼帶鎧裝聚氯乙烯護(hù)套電力電纜
PVC insulated steel tape armored PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,能承受一定機械外力
Energy transmission line,can bearing mechanical impact in mines |
MVV32
|
煤礦用聚氯乙烯絕緣細(xì)鋼絲鎧裝聚氯乙烯護(hù)套電力電纜
PVC insulated fine steel wire armored PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,能承受一定的拉力
Energy transmission line,can bearing some full in mines |
MYJV22
|
煤礦用交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護(hù)套電力電纜
XLPE insulated steel tape armored PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,能承受一定機械外力
Energy transmission line,can bearing mechanical impact in mines |
MYJV32
|
煤礦用交聯(lián)聚乙烯絕緣細(xì)鋼絲鎧裝聚氯乙烯護(hù)套電力電纜
XLPE insulated fine steel wire armored PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,能承受一定的拉力
Energy transmission line,can bearing some full in mines |
MYJV42
|
煤礦用交聯(lián)聚乙烯絕緣粗鋼絲鎧裝聚氯乙烯護(hù)套電力電纜
XLPE insulated coarse steel wire armored PVC sheathed power cables for use in mines |
礦井中電能傳輸線路,能承受較大的拉力
Energy transmission line,can bearing bear full in mines |
注：XLPE絕緣比PVC絕緣具有絕緣強度高，抗老化，耐化學(xué)腐蝕及防水性能等優(yōu)點
XLPE insulation strength the PVC insulation to be higher than, the anti-aging, bears merits and so on chemistry corrosion and waterproof performance.
電纜規(guī)格 Specifications
型 號
Model
|
芯 數(shù)
Core number
|
額定電壓(KV)
Rated voltage
|
標(biāo)稱截面 mm2
Nominal sectional
|
主線芯
Master core
|
中性線芯(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
|
電纜結(jié)構(gòu)示意圖 IIIustration of cable structure
使用特性 Service characteristics
電纜導(dǎo)體的最高額定溫度
Electric cable conductor Max. rated temperature |
XLPE絕緣90℃， PVC絕緣70℃
XLPE insulation90℃, PVC insulation70℃ |
電纜敷設(shè)時的環(huán)境溫度
Cable laying environment temperature |
≥0℃ |
短路時電纜導(dǎo)體的最高溫度(持續(xù)時間≤5S)
Short circuit electric cable conductor max. temperature |
XLPE絕緣≤250℃， PVC絕緣≤160℃
XLPE insulation≤250℃,PVC insulation≤160℃ |
電纜的最小彎曲半徑
Minimun bending radius |
為電纜彎曲試驗用圓柱直徑的2倍
Uses the column diameter for the electric cable bend test 2 times |
電纜主要技術(shù)性能 Major technical performances
1、 電纜導(dǎo)體直流電阻及絕緣電阻 Cable conductor DC resistance and insulated resistance
型 號
Model
|
標(biāo)稱截面 (mm2)
nominal sectional
|
+20℃導(dǎo)體直流電阻(≤Ω/Km)
DC resistance of the conductor at 20℃
|
+20℃絕緣電阻常數(shù)(≥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、電纜其它主要技術(shù)性能 Other major technical performances
(型號Model:MKVV22、MKVV32、MKVV42、MKVV、MKVVR、MKVVP、MKVVP2、MKVVRP)
序 號
Serial number
|
項目 Items
|
技術(shù)性能 Technical performances
|
1
|
+20℃時導(dǎo)體直流電阻(≤Ω/Km)
Conductor DC resistance at 20℃ |
見上表 See above table |
2
|
+20℃時絕緣電阻的常數(shù)(≥MΩ·Km)
Insulation resistance at 20℃ |
見上表 See above table |
3
|
5min工頻交流電壓試驗
5min power frequency alternating current pressure test |
芯-芯 Core-Core
芯-鎧裝 Core-Armor |
3500V不擊穿 3500V no breakdown |
4
|
4h交流高壓試驗
4h AC high voltage test |
2400V不擊穿 2400V no breakdown |
5
|
單根垂直燃燒試驗
Single wire burning test |
MT386 |
6
|
成束燃燒試驗
Group burning test |
符合GB/T18380.3標(biāo)準(zhǔn)中B類成束燃燒試驗要求
Conforms to GB/T18380.3 standard B kind group burning test |
|
