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Company News About high voltage power cable’s structure
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high voltage power cable’s structure

2023-09-26
Latest company news about high voltage power cable’s structure
  • A high voltage power cable’s structure contains at least one to more conductors, apt insulation and a jacket for protection. Depending on the level of voltage power, the cables can have additional layers for the insulation jacket to control the electric field in the conductor.
  • More often than not, high voltage power cables are used in the operation of conductors that go beyond 2,000 volts. Bearing this amount in mind, there will be a conductive shield around each insulator conductor which helps in equalising electrical stress. This shield is sometimes called the Hochstadter shield as Martin Hochstadter had patented this technique back in 1916.
  • Installed at the ends of shields are ‘stress relief cones’.
  • Power distribution cables of 100,000 V are insulated well with oil and paper. They function via a stiff steel pipe and a semi-stiff or rigid aluminium or lead covering.
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