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Partial discharge test method of insulating part for high-voltage switch

A high-voltage switch and test method technology, which is applied in the direction of test ship construction, test dielectric strength, etc., can solve the problems of low site utilization, large floor space, and large volume of the laboratory, and achieve reliable and accurate testing and reduce space. requirements, the effect of reliable connection

Active Publication Date: 2021-02-09
JIANGSU RUGAO HIGH VOLTAGE ELECTRIC APP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned test tooling has large volume, high cost, large floor space, and low utilization rate of the laboratory site. Based on the above-mentioned test tooling, it is very troublesome to perform partial discharge tests.

Method used

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  • Partial discharge test method of insulating part for high-voltage switch
  • Partial discharge test method of insulating part for high-voltage switch
  • Partial discharge test method of insulating part for high-voltage switch

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Embodiment Construction

[0042] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but the present invention is not limited to the scope of the described examples.

[0043] The partial discharge test method of the insulator for high voltage switch of the present invention is realized through the following steps:

[0044] S1 Preparation before the test: First, according to the specifications of the insulating parts to be tested, prepare the special test tooling required for the test.

[0045] Such as Figure 1-Figure 5 The schematic diagram shown shows that the special test tooling includes

[0046] A test outer tank, the test outer tank includes a tank body 1 and a support base 2 connected to the bottom end of the tank body 1, and an upper cover plate 3 connected to the top end of the tank body 1, on the upper and lower sides of the tank body 1 There is a circular connecting section extending horizontally outward, so that the tank bod...

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Abstract

The invention relates to a partial discharge test method of an insulating part for a high-voltage switch. The partial discharge test method comprises the steps of preparation before a test, tool installation, vacuumizing, SF6 gas filling, a voltage-withstanding partial discharge test, gas recovery and disassembly. The test method has the advantages that the test method is based on a special test tool, the processes of preparation before the test, tool installation, vacuum pumping, SF6 gas filling, voltage-withstanding partial discharge test, gas recovery, disassembly and the like are matched,the space requirement is reduced, the test is facilitated, the overall programming is realized, the purpose of more convenient operation is achieved for the electrical performance test of various testsample insulating parts, and the realization possibility is provided for an unattended remote control system.

Description

technical field [0001] The invention relates to the field of high-voltage switch tests, in particular to a partial discharge test method for insulating parts used in high-voltage switches. Background technique [0002] Partial discharge is an electrical discharge in which the insulation between conductors is only partially bridged, which may or may not occur near the conductors. In a strong electric field, the weak points in the internal insulation of the transformer or the defects caused in the production process will cause partial discharge. The energy of this discharge is very small, and its short-term existence does not affect the insulation strength of electrical equipment. Partial discharge, these weak discharges will have a cumulative effect that will gradually deteriorate the dielectric properties of the insulation and expand the local defects, eventually leading to insulation breakdown. The long-term induced voltage with partial discharge measurement test can effec...

Claims

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Application Information

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IPC IPC(8): G01R31/12G01R31/16
CPCG01R31/12G01R31/16
Inventor 沈栋良彭翔刘敏王柳丁楠楠
Owner JIANGSU RUGAO HIGH VOLTAGE ELECTRIC APP
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