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Installation structure of sampling valve plate of lightning arrester resistance leakage current

A technology of leakage current and installation structure, applied in the field of installation structure of sampling valve plate, can solve the problems of complex installation process and high residual pressure, and achieve the effect of simple installation process

Inactive Publication Date: 2009-02-04
SHANGHAI ELECTRICAL AUTOMATION R&D INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. After being impacted by a large current, the residual voltage is high
[0006] 2. The installation process is more complicated

Method used

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  • Installation structure of sampling valve plate of lightning arrester resistance leakage current

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Embodiment Construction

[0015] The installation structure of the sampling valve plate for the arrester resistive leakage current of the present invention includes a sampling valve plate and a mounting mold, wherein the sampling valve plate is composed of a plurality of valve layers tightly pressed together, and each valve layer is composed of two Composed of a copper sheet and a valve plate clamped between two copper sheets; a high-voltage input terminal and a grounding terminal are provided on the outer surface of the installation mold. The high-voltage input terminal and the grounding terminal can be M6 screws, and the sampling valve is installed on the The installation mold is insulated and cured into one body through epoxy resin and the installation mold.

[0016] In a preferred embodiment, see figure 1 , the installation structure of the sampling valve plate of the resistive leakage current of the arrester of the present invention includes a sampling valve plate 1 and an installation mold (not s...

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Abstract

The present invention discloses a sampling valve installation structure of the resistive leakage current of the arrester, which comprises a sampling valve and an installation mould; the sampling valve consists of a plurality of valve layers which are tightly pressed together; each valve layer consists of two copper pieces and a valve which is clamped between the two copper piece; and the sampling valve is arranged in the installation mould, and is solidified with the installation mould in an insulating way through the epoxy resin to form an integrated body. The installation structure of the sampling valve of the resistive leakage current of the arrester has the following advantages: firstly, the residual voltage after the impact of the large current appears is low; and secondly, the installation process is simple.

Description

technical field [0001] The invention relates to an installation structure of a sampling valve plate for resistive leakage current of a lightning arrester. Background technique [0002] Zinc oxide arrester is a kind of protective equipment to protect electrical equipment from overvoltage. Due to the superior nonlinear characteristics and good flow capacity of the zinc oxide arrester, it has been accepted and widely used by users in the power sector. Damage and electrical accidents occur from time to time, especially for 110KV and above voltage level zinc oxide arresters, once an accident occurs, it will cause huge losses to users. [0003] It is very important to test the performance of the arrester under the operating voltage. How to accurately obtain the leakage current of the arrester is the key to accurately detect the performance of the arrester. Although a variety of technical measures have been taken over the years, due to the detection device and method, the detect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R1/02G01R31/00G01R31/02G01R19/00G01R19/165
Inventor 李新育祝铭徐兴康
Owner SHANGHAI ELECTRICAL AUTOMATION R&D INST
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