Fire retardant power cables in mines
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 linebut 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 linebut 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 linecan 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 linecan 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 linecan 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 linecan 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 linecan 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.
MVV礦用電力電纜電纜規(guī)格 SpecificationsMVV礦用電力電纜
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*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*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*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 |
