Metal particle trap arrangement method used in GIS/GIL
An arrangement method and technology of metal particles, which are applied in the field of high-voltage power transmission and transformation, can solve the problems of large electric field distortion, inability to effectively suppress the movement of metal particles, and inability to completely capture the metal particles of basin-type insulators, so as to achieve the goal of suppressing movement and improving the quality of metal particles. Capture effect, effect of good capture effect
Active Publication Date: 2021-01-12
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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Problems solved by technology
Companies such as ABB, Dale S J, and Westinghouse Electric Power have carried out a series of works on the optimal design of particle traps. At present, the more commonly used metal particle traps are grid traps and strip traps, but for the use of grid traps, it is impossible to completely Capture the metal particles near the pot insulator; for the use of strip traps, the electric field distortion is relatively large due to the existence of the equalizing ring, and the strip traps cannot effectively inhibit the movement of metal particles
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Embodiment
[0037] An embodiment of the present invention provides a method for arranging metal particle traps in GIS / GIL, including:
[0038] S1 contacts and fixes the side of the grid-shaped particle trap parallel to the grid to the lower part of the inner side of the pot insulator in the GIS / GIL.
[0039] S2 Fix the strip-shaped particle trap on the other side of the grid-shaped particle trap parallel to the grid, and fix the strip-shaped particle trap in contact with the grid-shaped particle trap, and fix the strip-shaped particle trap on the grid-shaped particle middle part of the trap.
[0040] The bar particle trap is welded on the grid particle trap.
[0041] It should be noted that the lowest points on the inside and outside of the groove surface of the grid-shaped particle trap are respectively located on the same level as the upper and lower surfaces of the strip-shaped particle trap. Place the grid-shaped particle trap at a symmetrical position centered on the cut plane of t...
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Abstract
The invention provides a metal particle trap arrangement method for GIS / GIL, which comprises the following steps: contacting and fixing one side of a grid-shaped particle trap parallel to a grid at the lower part of the inner side of a basin-type insulator in the GIS / GIL, and fixing a strip-shaped particle trap at the other side of the grid-shaped particle trap parallel to the grid, and the strip-shaped particle trap being in fixed contact with the grid-shaped particle trap, and the strip-shaped particle trap being fixed in the middle of the grid-shaped particle trap. The method has a good metal particle capturing effect, and can more effectively inhibit the movement of the metal particles near the GIS / GIL basin-type insulator.
Description
technical field [0001] The invention relates to the field of high-voltage power transmission and transformation in electrical engineering, in particular to a method for arranging metal particle traps used in GIS / GIL. Background technique [0002] GIS (Gas Insulated Substation, Gas Insulated Fully Enclosed Combined Electrical Appliance) / GIL (Gas Insulated Transmission Lines, Gas Insulated Transmission Lines) has a broad application in the field of high-voltage transmission due to its large transmission capacity, high reliability, and anti-electromagnetic interference capabilities. Application prospects. The problem of metal particle pollution is one of the important factors restricting its development. In this regard, researchers have proposed a variety of treatment methods for metal particle pollution, among which particle traps are currently the most commonly used treatment methods. Companies such as ABB, Dale S J, and Westinghouse Electric Power have carried out a series ...
Claims
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IPC IPC(8): H02B13/025H02B13/035H02G1/00H02G5/06
CPCH02B13/025H02B13/035H02G1/00H02G5/065
Inventor 马康詹振宇刘焱律方成刘明亮谢庆
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)