Different Types of Overhead Cables
|13.3.2021||Posted by jenuincable under Advertising & Marketing|
Ⅰ. What are aerial cables
This kind of cables that hang the cable rack on a pole at a certain height from the ground are called aerial cables, which are also called aerial insulated cables. They are aerial wires with insulating layers and protective sheaths. aerial cables are high-voltage transmission lines that are erected in a zigzag pattern over the steel rails in electrified railways for the pantograph. They use special cables whose production process is similar to cross-linked cables. It is a new way of power transmission between aerial wires and underground cables. There are many different aerial cables on the market. let’s take a look.
Ⅱ. Different aerial cables
- The aerial cables of model JKLGYJ-1, 1X10/2 are aerial insulated cable with steel core aluminum stranded conductor cross-linked polyethylene, whose pole span can be 20 meters. JKLGYJ-11X10/2 long-term allowable current carrying capacity is 75A. Pay attention to the local power supply voltage. If it is relatively low, consider using aerial insulated cables with the model JKLGYJ-1, 1X16/3 (reference current carrying capacity 100A) because the line loss of the aluminum core wire is larger.
- Do not use wires to pass through pipes, which is not conducive to the heat dissipation of cables. VLV, 3X10+1X6 or VLV, 0.6/1kV, 3X16+1X10 aluminum core PVC insulated and sheathed aerial power cables can be used directly, and the wire rope is drawn by the pole, and the wire rope is tied with a cable hook or insulated wire. The reference current carrying capacity of VLV, 3X10+1X6 is 40A, and the reference current carrying capacity of VLV, 0.6/1kV, 3X16+1X10 is 54A. The price of the two aluminum core cables is not too high, basically the same.
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