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Three-phase solid insulating shell

A technology of insulating shell and solid insulation, applied in the setting of switchgear with resin shell, etc., can solve the problems of difficult processing, low shape precision, heavy weight, etc., achieve good industrial yield, avoid partial discharge, and solve electric field difficult to control effects

Pending Publication Date: 2018-07-06
XIAMEN YESHENG ELECTRIC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide a three-phase solid insulating shell to solve the problems of existing switch shells or solid insulating shells with built-in vacuum interrupters, heavy weight, low shape accuracy, and difficult processing.

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  • Three-phase solid insulating shell
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Embodiment Construction

[0020] To further illustrate the various embodiments, the present invention is provided with accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with related descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.

[0021] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0022] combine Figure 1 to Figure 3 As shown, this embodiment provides a kind of three-phase solid insulating casing, which includes a hollow insulating casing, in this embodiment, the insulating casing includes a mai...

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Abstract

The invention relates to a three-phase solid insulating shell. By splitting a solid insulating ring main unit into an insulating shell and a line inlet and outlet component, detachment of conducting elements including embedded copper bars and the like in an original solid insulating shell is realized and then inserted into the insulating shell through flange connection to realize ordered control of an electric field, and the problem of local discharge is avoided. A vacuum arc-extinguishing chamber is removed out of the insulating shell and can be mounted on the insulating shell through a connection flange, and independent pouring forming of the shell is realized. High industrial yield and technical simplicity are realized, and the problem of deformation in an insulating shell shaping process due to the internal vacuum arc-extinguishing chamber is avoided. By means of flange connection, requirements on same airtightness and electrical performances of an original integral shell are met,limitation of conventional technical thinking is broken through, and problems of low size and structural precision, difficulty in processing and forming, proneness to local discharge and difficulty incontrol of the electric field in an existing solid insulating shell are solved.

Description

technical field [0001] The invention belongs to the technical field of high-voltage power distribution equipment, and in particular relates to a three-phase solid insulating shell for a solid insulating ring network cabinet. Background technique [0002] Most of the traditional ring network cabinets are gas insulated ring network cabinets. SF6 gas is used as the insulation or breaking medium of the high-voltage live part. Since SF6 gas will decompose and produce toxic gas after it is disconnected, and it is easy to leak, the sealing requirements for the box are high and the processing technology is complicated, which makes the maintenance and testing of the gas-insulated ring network cabinet more complicated, and regular leak detection and gas replenishment are required. In addition, according to the "Kyoto Protocol", as the insulation or breaking medium of the gas-insulated ring main unit, SF6 gas is clearly listed as one of the greenhouse gases, and its use is required to...

Claims

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Application Information

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IPC IPC(8): H02B13/01
CPCH02B13/01
Inventor 唐泰航叶钦赐
Owner XIAMEN YESHENG ELECTRIC
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