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High-temperature and high-voltage power cable

A power cable, high-temperature and high-pressure technology, applied in the field of high-temperature and high-voltage power cables, can solve problems such as insulation performance degradation, cable breakdown, and cross-linked polyethylene insulation layer degradation, so as to improve work stability and reliability and improve service life , Reduce the effect of deterioration and damage

Inactive Publication Date: 2013-04-10
ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the practical application of XLPE insulated power cables, the XLPE insulation layer is easily deteriorated and destroyed due to the aging of electric branches; drop, there is a potential safety hazard of cable breakdown

Method used

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  • High-temperature and high-voltage power cable
  • High-temperature and high-voltage power cable

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Embodiment Construction

[0016] The technical scheme of the present invention will be further described below in conjunction with the accompanying drawings and through specific embodiments:

[0017] Such as figure 1 as shown, figure 1 It is a schematic cross-sectional structure diagram of a high-temperature and high-voltage power cable proposed in Embodiment 1 of the present invention.

[0018] refer to figure 1 , a high-temperature and high-voltage power cable proposed by the present invention includes a conductor 1, an insulating layer 2, a tape layer 3, an inner sheath 4, an armoring layer 5 and an outer sheath 6, and the insulating layer 2 is wrapped around the conductor 1 to form insulation The wire core, the tape layer 3 is wrapped outside the insulated wire core, the inner protective layer is wrapped outside the tape layer 3, the armor layer 5 is wrapped outside the inner protective sheath, and the outer protective sheath is wrapped outside the armor layer 5, wherein, the The insulating laye...

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Abstract

The invention discloses a high-temperature and high-voltage power cable which comprises a conductor, an insulation layer, a wrapping tape layer, an inner protection sleeve, an armor layer and an outer protection sleeve, wherein the insulation layer is wrapped outside the conductor to form an insulation cable core, the wrapping tape layer is wrapped outside the insulation cable core, the inner protection sleeve is wrapped outside of the wrapping tape layer, the armor layer is wrapped outside the inner protection sleeve, and the outer protection sleeve is wrapped outside the armor layer. The insulation layer is made of water-resistant tree irradiation cross linked polyethylene material. The inner protection sleeve and the outer protection sleeve are made of thermoplasticity elastic material. Therefore, in a high-voltage transmission process under high temperature, occurrences of degradation and damage of the cross linked polyethylene insulation layer caused by aging of electric branches or other reasons are reduced, stability and reliability of working of the cross linked polyethylene insulation power cable are improved, and the service life of the cable is prolonged.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a high-temperature and high-voltage power cable. Background technique [0002] XLPE insulated power cables are widely used in the field of high-voltage and extra-high-voltage cables due to their good electrical properties, large transmission capacity, light weight, high drop or vertical laying, installation and maintenance, etc. In the practical application of XLPE insulated power cables, the XLPE insulation layer is easily deteriorated and destroyed due to the aging of electric branches; drop, there is a potential safety hazard of cable breakdown. [0003] Therefore, how to improve the structure of the cross-linked polyethylene insulated power cable in the prior art, in order to reduce the damage caused by the aging of the cross-linked polyethylene insulation layer to the power cable when high-voltage transmission is carried out in a high-temperature working environment, and imp...

Claims

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Application Information

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IPC IPC(8): H01B9/00H01B3/44
Inventor 张元船华齐东
Owner ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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