Equipment for power transmission and distribution of shearer and high-power mobile equipment with rated voltage of 6/10kv and below
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Rubber sheathed wires and cables are applicable to the power transmission and distribution of shearers and high-power mobile equipment with rated voltages of 6/10kv and below. The cable can withstand large mechanical external forces, and the monitoring system is sensitive.245IEC 81 (YH), 245IEC 82 (YHF)CableThe long-term allowable working temperature of conductor shall not exceed 65 ℃
2. The long-term allowable working temperature of conductor is 90 ° C.
3. Minimum bending radius of cable
When used to fix equipment, the minimum bending radius of the cable is 12 times the outer diameter of the cable.The minimum bending radius of the cable when connected in a free way is 20% of the outer diameter of the cable
Product model
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NTScgECRWou
Product specification
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3X35+35X16/3E+3X2.5St+UL
Maximum outer diameter: 68mm
Main technical performance
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1. Voltage test of finished cable
a. The power wire core shall withstand the power frequency voltage 17kv voltage test for 5min without breakdown.
b. The monitoring core and control core shall withstand the power frequency voltage 2kv voltage test for 5min without breakdown.
2. Insulation resistance
Power core and control coreVolume resistivityAt 20 ° C, it shall not be less than 10 ° Ω· cm
3. Transition resistance
The transition resistance between the shielding layer and conductor of the cable shall not be greater than 500 Ω.
4. Partial discharge test
The test voltage is 1.25U, and the discharge is not more than 40PC.
5. Combustion test
The cable shall undergo the combustion test specified in GB12666.2DZ --- 1.
