What kind of cables does aerial cable include?
Overhead cable refers to the catenary in the electrified railway, along the rail above "" "glyph" erected for pantograph to take the flow of high voltage transmission line. The catenary is the main frame of the electrified railway project. It is a special form of transmission line that is put up along the railway line to supply power to the electric locomotive. It consists of contact, suspension, support device, positioning device, support and foundation.
Do not use electric wire through the tube, the tube is not conducive to heat dissipation. Direct use of VLV, 3X10+1X6 or VLV, 0.6/1kV, 3X16+1X10 type aluminum core PVC insulated and sheathed power cable, vertical pole pulling wire rope, with cable hook or insulated wire tied on the wire rope. The reference ampacity of VLV and 3X10+1X6 is 40A, and the reference carrying capacity of VLV, 0.6/1kV and 3X16+1X10 is 54A. The price of two kinds of aluminum core cable is not too expensive, almost the same.
The steel core aluminum stranded conductor XLPE insulated overhead insulated cables (JKLGYJ-1, 1X10/2), the vertical rod can span 20 meters long, JKLGYJ-11X10/2 allows the carrying capacity for the 75A, considering the distance of line loss, but has enough. Pay attention to the local power supply voltage is not high, if relatively low, we should consider the use of JKLGYJ-1, 1X16/3 (reference ampacity 100A), mainly consider the aluminum wire line loss is greater.
