A kind of gis equipment with discharge observation window

A technology of observation window and equipment, applied in the direction of testing dielectric strength, etc., can solve the problem of inability to intuitively understand light phenomena, and achieve the effect of making up for misjudgment

Active Publication Date: 2018-03-02
PINGGAO GRP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a GIS device with a discharge observation window to solve the problem that it is impossible to intuitively understand the light phenomenon in the development process of the GIS partial discharge process

Method used

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  • A kind of gis equipment with discharge observation window
  • A kind of gis equipment with discharge observation window
  • A kind of gis equipment with discharge observation window

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Embodiment Construction

[0017] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] In order to fully observe the light phenomenon in the process of discharge development, the present invention designs one or two observation windows on the side and / or top surface of the GIS cavity respectively. Such as image 3 As shown, the GIS equipment with the discharge observation window of the present invention includes a GIS cavity 1, a pot insulator 2 is arranged in the GIS cavity, and an observation window 2 is provided on the side and or top surface of the GIS cavity, and the observation window 2 is passed through a screw It is fixedly installed on the GIS body 1. In this embodiment, an observation window is set on the side of the GIS cavity as an example for illustration. The ground inclination angle is related to the length and inclination angle of the bus bar with the basin-type insulator 2 frustum section in the GIS ca...

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Abstract

The invention relates to a GIS apparatus with a discharge observation window and belongs to the technical field of online high-voltage switch monitoring. According to the GIS apparatus, the observation window is designed on the side surface or the top surface of a GIS cavity, and the diameter of the observation window and the angle of inclination of the axis of the window to ground can be determined according to the generatrix length and the angle of inclination of the section of a basin-type insulator cone in the GIS cavity. As the observation window is arranged on the GIS cavity, the position of partial discharge, the arc shape, the defect type and the like can be visually seen, and the problem of failure in visually knowing the optical phenomena in the development process of the GIS partial discharge process is solved; meanwhile, in combination with other partial discharge diagnosis methods, the partial discharge information is diagnosed comprehensively; the methods are complementary to each other for verification to make up for misjudgment possibly caused by one single method.

Description

technical field [0001] The invention relates to a GIS device with a discharge observation window, belonging to the technical field of high-voltage switch on-line monitoring. Background technique [0002] Every partial discharge process inside the GIS is accompanied by the neutralization of the positive load, and a steep current pulse appears, while radiating energy to the surroundings. Researchers at home and abroad judge the internal insulation state of GIS through the UHF electromagnetic wave signal excited by partial discharge, high frequency pulse current signal, ultrasonic signal and SF6 gas decomposition products caused by partial discharge. However, the external manifestations of various signals stimulated by PD sources are different, and their internal correlation determines that multi-method and multi-dimensional PD information can be used for comprehensive diagnosis to realize fault diagnosis and pattern recognition. At present, in the process of partial discharge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12
Inventor 高群伟张一茗孙银山宋亚凯李少华张文涛程序
Owner PINGGAO GRP
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