煤礦用阻燃電力電纜產(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

煤礦用阻燃電力電纜執(zhí)行標(biāo)準(zhǔn) Standards implemented: MT 818-1999

型 號(hào) Model

名 稱(chēng)
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(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

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

電纜導(dǎo)體的zui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zui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zui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

型 號(hào)
Model

標(biāo)稱(chēng)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