Live washing method for strain insulator string

A tension-resistant insulator string and technology for insulator strings, which are applied in the directions of cleaning methods, chemical instruments and methods, cleaning methods and utensils using liquids, etc., can solve the problem of insulators of transmission lines above 500kV being unable to be flushed with electricity, and improve operation safety. performance, reduce line power outages, and ensure safety and stability

Active Publication Date: 2016-05-11
山西晋缘电力化学清洗中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a charged water flushing method for tension insulator strings, which solves the problem that the existing charged cleaning method cannot realize the charged flushing of insulators of transmission lines above 500kV

Method used

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  • Live washing method for strain insulator string
  • Live washing method for strain insulator string
  • Live washing method for strain insulator string

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] like figure 1 Shown is a flow chart of a method for rinsing a tension insulator string with charged water according to some demonstrative embodiments.

[0023] The charged water flushing method of the tension insulator string of some illustrative embodiments includes the following steps:

[0024] a. Support the flushing device above the insulator string 10 through the bracket 2;

[0025] b. Measure the resistivity of water, judge the wind direction and win...

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Abstract

The invention provides a live washing method for a strain insulator string. The live washing method comprises the steps that a, a washing device is arranged above the insulator string (10) by being supported by a support (2); b, the resistivity of water is measured, the wind direction and wind force of a strain tower are judged, and the water outlet pressure is adjusted according to the wind direction and wind force; c, the support (2) is pulled to drive the washing device to move while washing is conducted, the part, on the downwind side, of the insulator string (10) is firstly washed, and the part, on the windward side, of the insulator string (10) is washed then; and d, whether the phenomena such as dirty water dripping and partial arcing happen to washed insulators or not is judged, if yes, the corresponding insulators are washed again, and if not, washing is finished. According to the live washing method, the effect that filth on the surfaces of the insulators of a double insulator string or a fourfold insulator string is washed away under the condition that normal live operation of an electric transmission line with the voltage being 500 kV or above is conducted is achieved.

Description

technical field [0001] The invention relates to the field of flushing of high-voltage transmission lines, in particular to a charged water flushing method for tension insulator strings of transmission lines above 500kV. Background technique [0002] The insulator fixed on the tension tower (or straight tower) plays two basic functions in the overhead transmission line, that is, to support the wire and prevent the current from returning to the ground. Since the insulator is exposed to nature for a long time, it usually forms a certain degree of filth. These pollutants containing salt, acid, and alkaline components are generally soluble in water, and the pollutants become electrolytes after being dissolved in water, which has strong conductivity. Contaminated insulators have increased conductance, reduced insulation performance, sharply increased leakage current, and greatly reduced flashover voltage. At this time, pollution flashover may occur. Especially when the designed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/02
Inventor 支锋焦小春曹小明张海峰
Owner 山西晋缘电力化学清洗中心有限公司
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