Mining Cable

  • coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables
coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables

  • coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables
  • coal mines cable
  • Product description: coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables consist of conductors, insulation, inner protective layer, fillers (armor), and external insulat
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coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables consist of conductors, insulation, inner protective layer, fillers (armor), and external insulation.

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables Working Condition
Max. working temperature of cable conductor is 90℃. Max. temperature of cable conductor is no more than 250℃
during shirt circuit. (The longest lasting time is no more than 5 seconds.)
Cable installation temperature is no less than 0℃.

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables type & name

型号 type

名称name

MYJV

煤矿用铜芯交联聚乙烯绝缘聚氯乙烯护套电力电缆

Copper core XLPE insulation PVC sheath power cable for coal mine application

MYJV22

煤矿用铜芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆

Copper core XLPE insulation steel tape armoring PVC sheath power cable for coal mine application

MYJV32

煤矿用铜芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆

Copper core XLPE insulation thin steel wire armoring PVC sheath power cable for coal mine

application

MYJV42

煤矿用铜芯交联聚乙烯绝缘粗钢丝铠装聚氯乙烯护套电力电缆

Copper core XLPE insulation thick steel wire armoring PVC sheath power cable for coal mine

application

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables manufacturing range

型号

type

芯数

Core number

额定电压(kV) rated voltage

0.6/1

1.8/3

3.6/66/6

6/108.7/10

标称截面(mm2) nominal cross section area

MYJV

3

1.5~300

10~300

25~300

25~300

MYJV22

3

4~300

10~300

25~300

25~300

MYJV32

3

4~300

10~300

25~300

25~300

MYJV42

3

4~300

10~300

25~300

25~300

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables figure of cable structure Mining power cable

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables characteristic

The cable has good feature of flame resistance. It can meet special requirement of cable for coal mine application.
Flame retardant performance of finished cable shall meet all kinds of test requirement stipulated in MT386 standard.

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables main technical parameter

导体标称截面

(mm2)

Nominal cross section area of conductor

20时导体最大直流电阻

Ω/km

Max. conductor DC resistance at 20

导体标称截面

(mm2)

Nominal cross section area of conductor

20时导体最大直流电阻

Ω/km

Max. conductor DC resistance at 20

1.5

12.1

50

0.387

2.5

7.41

70

0.268

4

4.61

95

0.193

6

3.08

120

0.153

10

1.83

150

0.124

16

1.15

185

0.0991

25

0.727

240

0.0754

35

0.524

300

0.0601

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables A.C. proof-voltage test

额定电压kV Rated voltage

0.6/1

1.8/3

3.6/6

6/66/10

8.7/10

试验电压kV Test voltage

3.5

6.5

11

15

22

试验条件环境温度下5分钟

Test condition: 5 minutes under environment temperature

试验要求绝缘应无击穿

Test requirement: insulation without puncture

coal mines used medium and high voltage crosslinked polyethylene insulated flame retardant power cables Partial discharge

Partial discharge shall be measured under voltage of 1.5 U0. And the value shall be no more than that listed in the following table.


额定电压kV Rated voltage

3.6/6

6/66/10

8.7/10

放 电 量 pc Discharge value

10



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