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Power transmission line pipeline and gas insulation line

A technology of transmission lines and gas insulation, which is applied in the field of transmission lines, can solve problems such as heat generation of metal shells, and achieve the effect of reducing heat generation and induction current

Pending Publication Date: 2019-03-08
JIANGSU SHENMA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on this, it is necessary to provide a transmission line pipeline and a gas insulated line for the problem of heat generation of the metal shell caused by a large circulating current.

Method used

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  • Power transmission line pipeline and gas insulation line
  • Power transmission line pipeline and gas insulation line
  • Power transmission line pipeline and gas insulation line

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Embodiment Construction

[0035] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0036] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to t...

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Abstract

The invention relates to a power transmission line pipeline and a gas insulation line. The power transmission line pipeline comprises three sub-pipelines in insulation connection in order, wherein each sub-pipeline comprises a metal shell and a composite material shell coated on the outside of the metal shell, and two ends of the power transmission line pipeline are grounded; furthermore, the gasinsulation line comprises a plurality of connected pipeline units; each pipeline unit comprises an A-phase pipeline, a B-phase pipeline and a C-phase pipeline; three groups of crossly interconnected electric loops containing A-phase sub-pipelines, B-phase sub-pipelines and C-phase sub-pipelines are formed among three-phase pipelines. The technical effect is as follows: three metal shells in different phases are interconnected and form the electric loops together with the ground, the induced electromotive force produced by the whole electric loop can be basically and mutually counteracted, theinduction current produced in the electric loop can be greatly reduced, the heating phenomenon of the metal shell can be greatly reduced, the power transmission loss is reduced, the safety running ofthe equipment is improved, and the economy of the power transmission system is improved.

Description

technical field [0001] The invention relates to the technical field of power transmission lines, in particular to a power transmission line pipeline and a gas insulated line. Background technique [0002] According to the requirements of special climate and geographical environment or the development needs of urban underground power transmission, a gas insulated line is produced, which is a high-voltage, high-current power transmission equipment that uses insulating gas insulation and coaxial arrangement of the shell and the conductor. Gas insulated lines have the characteristics of no insulation aging, low loss, good safety protection, and small footprint, and have advantages in large-capacity and long-distance power transmission. Since the gas insulated circuit is a pipe-enclosed structure, direct burial, outdoor erection and tunnel installation can usually be used. Therefore, the installation is very flexible for different natural environments. Compared with cables and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G9/06
CPCH02G9/06
Inventor 马斌刘超周曙琛郁杰
Owner JIANGSU SHENMA ELECTRIC CO LTD
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