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Device and method for simulating moisture migration process in high-voltage oil-paper insulating casing

A technology of oil-paper insulation and migration process, which is applied in measurement devices, chemical analysis by titration, instruments, etc., can solve the problems of ignoring the influence of air, and achieve the effects of avoiding inconvenience of operation, good equivalence, and avoiding high costs.

Active Publication Date: 2022-03-15
FUZHOU UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing simulation methods usually only focus on the moisture migration process in casing oil paper, ignoring the influence of air on moisture migration

Method used

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  • Device and method for simulating moisture migration process in high-voltage oil-paper insulating casing
  • Device and method for simulating moisture migration process in high-voltage oil-paper insulating casing

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Embodiment Construction

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036]It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0037] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components...

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Abstract

The invention relates to a device and method for simulating the moisture migration process in a high-voltage oil-paper insulating casing. A sealed container with a pipe body and an oil conservator structure, the simulated container has an internal cavity for filling transformer oil and a stem for winding insulating paper; the drying device is used to fill the simulated container with dry gas to pass The gas replacement method dries the gas above the transformer oil in the simulated container; the dripping and oil extraction device is used to drip water into the simulated container in different ways to simulate the damp state of the bushing in different situations; the temperature and humidity detection device includes The inner and outer temperature and humidity sensors and the display module are electrically connected through data lines. The device and method are beneficial for simulating the water migration process in the high-voltage oil-paper insulating bushing, and the operation is simple and the experiment cost is low.

Description

technical field [0001] The invention relates to the technical field of high-voltage engineering, in particular to a device and method for simulating the water migration process in a high-voltage oil-paper insulating bushing. Background technique [0002] Most of the high-voltage power transformer bushings are oil-paper capacitor bushings. The oil-paper capacitor bushing is composed of oil pillow, upper and lower porcelain sleeves, capacitor core and grounding flange. Among them, the capacitor core is made of insulating paper, and the capacitor core and transformer oil form an oil-paper composite insulation, which has excellent electrical performance. The casing oil conservator adopts a fully sealed structure to avoid erosion caused by large gas production. In order to avoid excessive internal pressure due to oil expansion when the temperature increases, a certain volume of air is left on the upper part of the oil conservator to act as a buffer. [0003] The oil-paper two-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N31/16G01D21/02
CPCG01N31/16G01D21/02
Inventor 舒胜文王婷婷贾磊廖一帆李巍郑跃胜
Owner FUZHOU UNIV
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