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High-voltage isolator for high-temperature superconductive power-supply cable

A technology for power cables and high-temperature superconductivity, applied in power cables, superconducting devices, superconducting/high-conducting conductors, etc., can solve the problems of inapplicable high-temperature superconducting cables, inability to keep warm, and high-voltage insulators unable to transport low-temperature liquids.

Inactive Publication Date: 2007-01-17
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, the conventional high-voltage isolation of cables uses high-voltage insulators, but high-voltage insulators cannot transport low-temperature liquid inside, let alone keep warm, and are not suitable for high-temperature superconducting cables.
At present, high-temperature superconducting cables are still in the research stage in all countries in the world, and there are no relevant reports on the high-voltage isolation technology supporting them.

Method used

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  • High-voltage isolator for high-temperature superconductive power-supply cable
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  • High-voltage isolator for high-temperature superconductive power-supply cable

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Embodiment Construction

[0017] figure 1 Shown is the schematic diagram of the structure of the high-voltage isolator of the present invention, which is composed of a thermal insulation sleeve 2 and two infusion sleeves 1, 3, and the thermal insulation sleeve 2 is made of insulating material. The insulation casing 2 and the two infusion casings 1 and 3 are coaxially installed in series, and the two infusion casings 1 and 3 are inserted into the insulation casing 2 from the two ends of the insulation casing 2 respectively.

[0018] figure 2 It is the schematic diagram of the structure of the thermal insulation sleeve 2. The thermal insulation sleeve 2 is divided into three layers: the inner tube 5, the outer tube 6 and the thermal insulation layer 7. The outer tube 6 is coaxially fitted with the inner tube 5, and the thermal insulation layer 7 is located between the inner and outer tubes. Between, wrap inner pipe 5. Both the inner tube 5 and the outer tube 6 are made of glass fiber reinforced plasti...

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Abstract

A high voltage isolator used on high temperature superconductive power cable consists of one heat insulation sleeve including internal tube and external tube as both being prepared by glass fiber reinforced plastic, and heat insulation layer; two liquid conveying sleeves including two layers of thin stainless steel tubes. It is featured as erecting said heat insulation sleeve with two liquid conveying sleeves in series-coaxial way, forming heat insulation sleeve by insulation material and forming liquid conveying sleeve by metal material.

Description

technical field [0001] The invention relates to a high-voltage isolator for high-temperature superconducting power cables. Background technique [0002] Using high-temperature superconducting power cables can realize low-loss, high-capacity power transmission, greatly reducing operating costs, and the application prospects are very promising. All technologically advanced countries are competing to carry out relevant research and development work. Among them, the high-voltage isolation technology of high-temperature superconducting power cables is also one of the key technologies of research and development. [0003] High-temperature superconducting power cables (hereinafter referred to as cables) have the same insulation voltage level as conventional power cables, and their working voltages can be 10.5kV, 30.5kV, 66kV, 110kV, etc. However, high-temperature superconducting cables must work under low temperature conditions. Generally, their working temperature is in the tempe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B12/00H01B12/16H01B9/00
CPCY02E40/64Y02E40/647Y02E40/60
Inventor 高智远戴少涛张丰元许熙滕玉平林玉宝林良真肖立业
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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