Remote snow removing method based on hot air snow removing device

A snow removal equipment and UHV technology, applied in cleaning methods and appliances, chemical instruments and methods, etc., to ensure safe and stable operation, prevent snowmelt flashover, and improve snowmelt efficiency

Active Publication Date: 2019-01-11
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention proposes a remote snow removal method for UHV equipment based on a hot air snow removal device, aiming to solve the problem of preventing snow melting flashover of UHV insulation equipment when removing snow on UHV equipment under electrified conditions

Method used

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  • Remote snow removing method based on hot air snow removing device

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Embodiment Construction

[0017] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0018] refer to figure 1 As shown, this embodiment provides a remote snow removal method for UHV equipment based on a hot air snow removal device, including:...

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Abstract

The invention provides a remote snow removing method based on a hot air snow removing device. The remote snow removing method comprises the following steps of determining the unit length of snow melting of the to-be-removed equipment, and determining the air outlet width of the hot air snow removing device according to the unit length of the snow melting; selecting the middle position of the insulating part of the to-be-removed equipment as a snow melting starting position, starting the hot air snow removing device to carry out snow melting, and after completing snow melting at the initial position, and carrying out snow melting on the low-voltage end of the insulating part of the to-be-removed equipment, and then melting snow on the high-pressure end; and when melting the snow on the to-be-removed equipment, when no dripping water exists on the surface, and closing the hot air snow removing device to complete snow removal. By selecting 15%-20% of the dry arc distance of the to-be-removed equipment is the unit length of snow melting, the hot air snow removing device is selected to remove snow, the snow melting efficiency and the snow melting effect are improved, the snow melting position is selected, the snow is effectively removed on the premise that the local discharge of the operation equipment is not caused, the snow melting flashover of the extra-high voltage insulation equipment can be effectively prevented, and the safe and stable operation of equipment is ensured.

Description

technical field [0001] The invention relates to the technical field of remote snow removal of high voltage equipment, in particular to a method for remote snow removal of UHV equipment based on a hot air snow removal device. Background technique [0002] Under snow-covered conditions, the electrical performance of the wall bushing will drop sharply, causing partial discharge, and in severe cases, flashover, causing power outages, and seriously affecting the safe and reliable operation of electrical equipment and lines. There have been many insulation flashover and breakdown accidents at home and abroad when ice and snow are covered under cold climate conditions, causing great harm and economic losses, which has attracted great attention from power operation departments and scholars. [0003] The pollution level of wall-piercing bushings in my country's industrial concentrated areas reaches its peak in winter with little rain. Snowfall makes a lot of snow on the external insu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B7/00B08B13/00
CPCB08B7/0071B08B13/00
Inventor 于昕哲胥经纬邓禹刘博周军柳顺楠
Owner CHINA ELECTRIC POWER RES INST
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