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What are high voltage power cables

2023-09-26

Now that the real and physical power of high voltage is understood, it is easy to bear in mind its workings and structure. Individual conductors carry high voltage and require a specific high voltage power cable for electric power transmission. A typical high voltage power cable requires the following:
A conductor
Insulation that can be used for underground and under the water
Cable and joints to ensure that the high voltage impact is controlled and doesn’t lead to its insulation breaking down
Different types of high voltage cables cater to various applications. Some are crucial for instruments, alternating current (AC) and direct current (DC) power transmission, and systems for ignition. The idea behind having a high voltage power cable system is to prevent any contact between other objects or living beings with a high voltage conductor. Moreover, its leakage current must be aptly controlled and monitored.
The insulation of a high voltage power cable must be regulated even when there’s a spike in high voltage owing to ozone-produced electric discharges in the air. Each cable terminal and joint must have a layer of a metallic shield on the insulation, connected with the ground. This metallic shield is used to equalise the di-electric stress layer that contains the insulation.
Features of a high voltage power cable:
High voltage power cables are special in nature, working with specific switching and distribution panels.
They enable control rooms to switch and be controlled remotely or manually for the testing of individual supply systems.
Sub-stations for high voltage power cable can lower the voltage in a bid to distribute it to local areas.
The semiconducting layers must be seamless and should be a few micrometres. Any fission or space between the fusion of the layers and insulation can be very dangerous.

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