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型號(hào)名稱及使用范圍 Model descrtptions and Use scope
型 號(hào) Model
|
名 稱
Descrtptions |
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(jī)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(jī)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(jī)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(jī)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(qiáng)度高，抗老化，耐化學(xué)腐蝕及防水性能等優(yōu)點(diǎn)
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(hào)
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 |
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MVV MYJV
|
3
|
0.6/1
|
1.5-185
|
-
|
MVV22
|
2.5-185
|
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MYJV22
|
4-185
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MVV32 MYJV32 MYJV42
|
4-185
|
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MVV MVV22
|
3+1
|
0.6/1
|
4-185
|
2.5-95
|
4
|
4-185
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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(shí)的環(huán)境溫度 Cable laying environment temperature |
≥0℃ |
| 短路時(shí)電纜導(dǎo)體的最高溫度(持續(xù)時(shí)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(yàn)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(hào)
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
|
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4
|
4.62
|
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6
|
3.08
|
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10
|
1.83
|
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16
|
1.15
|
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25
|
0.727
|
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35
|
0.524
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50
|
0.387
|
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70
|
0.268
|
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95
|
0.193
|
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120
|
0.153
|
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150
|
0.124
|
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185
|
0.991
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2、電纜其它主要技術(shù)性能 Other major technical performances
(型號(hào)Model:MKVV22、MKVV32、MKVV42、MKVV、MKVVR、MKVVP、MKVVP2、MKVVRP)
序 號(hào)
Serial number |
項(xiàng)目 Items
|
技術(shù)性能 Technical performances
|
|
1
|
+20℃時(shí)導(dǎo)體直流電阻(≤Ω/Km) Conductor DC resistance at 20℃ |
見(jiàn)上表 See above table | |
2
|
+20℃時(shí)絕緣電阻的常數(shù)(≥MΩ·Km) Insulation resistance at 20℃ |
見(jiàn)上表 See above table | |
3
|
5min工頻交流電壓試驗(yàn) 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(yàn) 4h AC high voltage test |
2400V不擊穿 2400V no breakdown | |
5
|
單根垂直燃燒試驗(yàn) Single wire burning test |
MT386 | |
6
|
成束燃燒試驗(yàn) Group burning test |
符合GB/T18380.3標(biāo)準(zhǔn)中B類成束燃燒試驗(yàn)要求 Conforms to GB/T18380.3 standard B kind group burning test |
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