Power cable, a cable used to transmit and distribute electrical energy.
It is commonly used in urban underground power grids, power outlets for power stations, internal power supply for industrial and mining enterprises, and underwater power transmission lines crossing rivers and crossing the sea.
In power lines, the proportion of cables is gradually increasing.
Power cables are cable products used to transmit and distribute high-power electrical energy in the main line of the power system, including various voltage levels of 1-500KV and above, and various insulated power cables.
1 Occupies less land.
Generally buried in the soil or laid in the room, in the channel, in the tunnel, the insulation distance between the lines is small, without the tower, occupying less space, basically does not occupy the space on the ground.
2 High reliability.
It is affected by climatic conditions and the surrounding environment, with stable transmission performance and high reliability.
3 It has more favorable conditions.
For the development of ultra-high pressure and large capacity, such as low temperature, superconducting power cable and the like.
4 Distributed capacitance is large.
5 Maintenance workload is small.
6 The possibility of electric shock is small.
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