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An insulator string test device

An insulator string and test device technology, applied in the direction of testing dielectric strength, etc., can solve the problems of power failure, long repair and recovery time, influence, etc., and achieve the effects of convenient use, improved test ability, and high measurement accuracy.

Active Publication Date: 2016-04-20
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pollution flashover accidents often cause large-scale power outages, long maintenance and recovery time, and serious impacts

Method used

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  • An insulator string test device

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The artificial environment climate laboratory simulates the pollution and icing test of insulators by simulating different environmental meteorological conditions (rain, fog, high altitude). The pollution test adopts the test procedure of GB / 4585. The solid layer method and salt spray method can be used for insulator pollution. The laboratory has a spraying device for spraying, and the ice coating test insulator is covered with water spray method, and the laboratory is cooled by a fan. Purpose: To study the characteristics of pollution flashover and ice flashover of insulators, single I strings can be carried out in the laboratory, that is, multiple insulators are vertically connected to form a string arrangement; double I strings, that is: multiple insulators are vertically connected to form two parallel strings ...

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Abstract

The invention provides an insulator chain testing device which is characterized in that a traveling crane 2, a cross arm 3, a hanging point 7, a hanging point 8, an insulator chain 9, a composite insulator 12, a high-voltage leading wire 11 and a sleeve 10 are included, the cross arm 3 is placed below the traveling crane 2, the two sides of the cross arm 3 are connected with the hanging points placed on the same horizontal line respectively, one end of the composite insulator 12 is connected with the hanging point 8, high-voltage electricity enters a laboratory through the high-voltage leading wire 11 placed on the sleeve 10, the high-voltage leading wire 11 is connected to one end of the insulator chain 9, and the other end of the insulator chain 9 is connected to the ground through a grounding wire 6 of the cross arm 3. According to the insulator chain testing device, insulator chain arrangement can be achieved, reliable electric connecting can be achieved, and filthy testing, ice covering testing and high-altitude testing of the insulator chain can be carried out.

Description

technical field [0001] The invention relates to an artificial pollution test device, in particular to an insulator string test device, which is used for the artificial pollution test of insulators. technical background [0002] The insulator plays the role of electrical connection and mechanical support in the transmission line. The transmission wire and the tower are connected in series through the insulator, and the wire and the tower are insulated. In order to realize this connection, there are many ways to arrange the insulator. The common one is I-string insulators, multi-piece insulators are connected in an I-shaped connection. In addition, there are double-I, V-type, tension-resistant (horizontal I-type) and other insulator arrangements to realize the connection between the wire and the tower. [0003] Regardless of the connection method, the insulator string is exposed to the air for a long time, and the surface of the insulator will accumulate dirty substances with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12
Inventor 刘琴贾如南敬万小东李金蔡林
Owner STATE GRID CORP OF CHINA
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