Hydropower Station High Voltage Cable Copper Conductor PE or PVC Sheath Corrugated Aluminum Armored
1.Item name : High Voltage XLPE Insulated Electric Cable
STANDARD : IEC62067 (or standard demanded by buyer )
3. Application :
Suitable for the places with a higher underground water level and to be used underground, in the tunnels or pipes. Such cables bear a bigger pulling force and pressure
1)up to 90℃, and overload when meet an emergency is 130℃ ,When short circuit (in ≤5 seconds) the highest temperature is 250℃
2)When installing or laying cable, the ambient temperature should be less than -20℃, and have to give a preheat to cable.
3)The minimum bending diameter:
| Metal sheathed |
| After laying || 30D0 |
| During laying || 40D0 |
4)Allowed biggest axial traction force to outer diameter when laying cable (not consider the radial lateral-pressure at bent section) T=K×core NO. ×section (kg), in formula, the coefficient K value should be: the copper core get 7, the aluminum core get 4.
5)Allowed biggest lateral-press P, when cable is being bent
The single core cable is required P≤500kg/m.
P=T/R (T is indicated axial traction force; R is indicated radius of bent-wheel), Knowing from above formula, as the traction force is made up by length and weight of cable. So it lets P to applying requirement as above. Then the diameter of bent-wheel should be widened.
6)Cable laying is not being restricted by drop.
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1.High Voltage Power Cable 2.110kv Cable 3.132kv Cable 4.Underground Cable 5.Electrical Cable Wires 6.HV XLPE Cable 7.230kv XLPE Cable
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Product Categories : High Voltage Power Cable