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Quick treatment method for pollution flashover caused by main body material of high voltage switchgear

A high-voltage switchgear and body material technology, applied in cleaning methods and utensils, chemical instruments and methods, etc., can solve problems such as high cost, long power outage time, and no quick treatment plan, achieve low cost, ensure insulation reliability, The effect of safe and reliable power-on operation

Active Publication Date: 2021-01-01
杭州配研电气制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the operation of power transformation and distribution equipment, accidents caused by high-voltage breakdown and short circuit of switchgear account for a certain proportion of the accidents in power transformation and distribution. Such accidents are generally related to humidity. Use dehumidifiers to dehumidify and heaters to heat, but sometimes accidents occur, which directly and seriously affect daily production and life after accidents, so it is very important to deal with them quickly after accidents
At present, there is no good quick solution. Generally, the replacement of components, components or overall replacement is adopted, which is costly and takes a long time for power outages.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Embodiment 1: A quick treatment method for pollution flashover caused by high-voltage switchgear body materials, which is characterized in that the transformer, high-voltage insulating copper busbar bushing, high-voltage insulating column, and vacuum switch insulator are burned by the flame ejected from the butane spray gun Dibutyl phthalate on the surface of the epoxy resin shell. The flame temperature of the butane spray gun is greater than 700 degrees and less than 900 degrees, and the flame sprayed by the butane spray gun is used to burn off the neighbors on the surface of the epoxy resin shell such as transformers, high-voltage insulating copper busbar bushings, high-voltage insulating columns, and vacuum switch insulators. When using dibutyl phthalate, the spray gun needs to be moved quickly, and the temperature generated by its residence time in the transformer, high-voltage insulating copper busbar bushing, high-voltage insulating column, and vacuum switch insula...

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PUM

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Abstract

The invention relates to a quick treatment method for pollution flashover caused by a high-tension switch cabinet body material. With the quick treatment method for pollution flashover caused by the high-tension switch cabinet body material, dibutyl phthalate on the surfaces of epoxy resin shells of mutual inductors, high-voltage insulation copper bar sleeves, high-voltage insulation columns, vacuum switch insulators and the like can be completely removed. A butane spray gun is adopted for spraying out flames for burning off the dibutyl phthalate on the surfaces of the epoxy resin shells of the mutual inductors, the high-voltage insulation copper bar sleeves, the high-voltage insulation columns, the vacuum switch insulators and the like. The quick treatment method for pollution flashover caused by the high-tension switch cabinet body material has the advantages that because the butane spray gun is adopted for burning off the dibutyl phthalate on the surfaces of the epoxy resin shells of the mutual inductors, the high-voltage insulation copper bar sleeves, the high-voltage insulation columns, the vacuum switch insulators and the like, quickness, effectiveness and low cost are achieved, it is guaranteed that the insulation reliability of a high-voltage line is tested after treatment is complete, and it is achieved that electrified operation is carried out again safely and reliably.

Description

technical field [0001] The invention relates to a rapid treatment of pollution flashover caused by high-voltage switchgear body materials that can completely remove dibutyl phthalate on the surface of epoxy resin shells such as transformers, high-voltage insulating copper busbar bushings, high-voltage insulating columns, and vacuum switch insulators. method. Background technique [0002] At present, in the operation of power transformation and distribution equipment, accidents caused by high-voltage breakdown and short circuit of switchgear account for a certain proportion of the accidents in power transformation and distribution. Such accidents are generally related to humidity. Measures such as dehumidification with dehumidifiers and heating with heaters are used, but accidents sometimes occur, which directly and seriously affect daily production and life after accidents, so it is very important to deal with them quickly after accidents. At present, there is no good quick...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B7/00
CPCB08B7/0085
Inventor 黄连生沈根豪唐佳杰钱孝斌王贺生
Owner 杭州配研电气制造有限公司