Retrofit method for anti-dropping series of composite insulators arranged in v-shape phase in tower window

A technology of composite insulators and post insulators is applied in the field of electric power engineering, which can solve the problems of tower base personal injury, wire discharge, and lack of better reconstruction methods, and achieve the effect of improving the safety level and reducing the line trip rate.

Active Publication Date: 2020-04-28
STATE GRID HUNAN ELECTRIC POWER +2
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Problems solved by technology

The drop of composite insulators in V-shaped arrangement in the tower window may not only cause the discharge of the wires to the tower body, but also cause personal injury near the tower base
However, there is currently no good modification method for the V-shaped string in the middle phase of the tower window, and it can only be replaced with new composite insulators in time according to its operation condition.

Method used

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  • Retrofit method for anti-dropping series of composite insulators arranged in v-shape phase in tower window
  • Retrofit method for anti-dropping series of composite insulators arranged in v-shape phase in tower window
  • Retrofit method for anti-dropping series of composite insulators arranged in v-shape phase in tower window

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Embodiment Construction

[0026] 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.

[0027] see figure 1 , a retrofitting method for preventing string drop of composite insulators arranged in a V-shaped arrangement in a tower window, a retrofit method for preventing a dropped string of composite insulators arranged in a V-shaped arrangement in a phase in a tower window. The post insulator group arranged in a V shape is installed, and the two free ends of the post insulator group are respectively fixedly connected with the crank arm 2 of the tower w...

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Abstract

The invention discloses an anti-string-falling transformation method for composite insulators arranged in a V shape in a tower window. A post insulator set arranged in an inverted V shape is mounted below a fitting on the wire side at the bottom of a composite insulator string arranged in a V shape in the tower window; and the two free ends of the post insulator set are fixedly connected with crank arms of the tower window respectively. The method can achieve a backup protection effect on the composite insulator string arranged in the V shape, so that the line tripping rate caused by string falling can be reduced, and the safety level of a line can be improved.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering, and in particular relates to a retrofitting method for preventing series drop of composite insulators arranged in a V-shaped arrangement in a tower window. Background technique [0002] Composite insulators are widely used in overhead transmission lines in my country, and the problem of series drop cannot be ignored. The drop of composite insulators in V-shaped arrangement in the tower window may not only cause the discharge of the wires to the tower body, but also cause personal injury near the tower base. However, there is currently no good modification method for V-shaped strings in the middle phase of the tower window, and only new composite insulators can be replaced in time according to their operation conditions. Contents of the invention [0003] This application aims to solve at least one of the technical problems existing in the prior art. Therefore, one of the ob...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/04H01B17/06H01B17/14H01B17/42H01B19/00
Inventor 巢亚锋
Owner STATE GRID HUNAN ELECTRIC POWER
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