Cable terminal silicone oil electric heating and moisture combined aging test platform

A technology of aging test and cable termination, applied in the direction of measuring resistance/reactance/impedance, measuring electricity, material capacitance, etc.

Pending Publication Date: 2020-09-22
WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, most studies have shown that factors such as environmental humidity and moisture content of silicone oil will also have a huge impact

Method used

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  • Cable terminal silicone oil electric heating and moisture combined aging test platform
  • Cable terminal silicone oil electric heating and moisture combined aging test platform
  • Cable terminal silicone oil electric heating and moisture combined aging test platform

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Experimental program
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Embodiment Construction

[0021] The content of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0022] This embodiment is a cable terminal silicone oil electric heating and humidity combined aging test platform, including a test power supply, a test oven, a sealed test tank, and a wall-through bushing.

[0023] In the cable terminal silicone oil electric heating and humidity combined aging test platform, the test oven includes a test box and an electrical control cabinet, and the electrical control cabinet is placed on the front of the test box; the test box includes a box, a high-voltage wall bushing through the test High-voltage electrodes introduced from the top of the box. The box body includes an air conditioning device, an epoxy board barrier layer, a humidifying device, an inner tank, an insulating layer and a temperature control box shell arranged in sequence from th...

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Abstract

The invention relates to a cable terminal silicone oil electric heating and moisture combined aging test platform. The test platform comprises a test power supply, a test oven, a sealed test tank bodyand a wall bushing,. A silicone oil sample to be tested is placed in the sealing test tank body, the sealing test tank body is placed in the sample drying oven. The silicone oil electrical aging testcan be effectively carried out under the cooperation of the overall structure of the tank body. It can be guaranteed that researchers can smoothly carry out the insulation silicone oil electric heating and humidity combined aging test, and various change factors including the temperature, the electrode spacing, the external voltage, the environment humidity and the like can be adjusted. A more accurate test means is provided for researching the aging characteristics of the silicone oil of the power cable terminal, and the platform is helpful for scientific research personnel to comprehensively research the change mechanism of different aging processes caused by different aging factors of the silicone oil.

Description

technical field [0001] The invention belongs to the technical field of power cable testing, and in particular relates to a test platform for combined aging test of silicone oil, electric heating and humidity for cable terminals. Background technique [0002] The operational reliability of power cables is directly related to the intrinsic safety of the power grid. Compared with overhead transmission lines, power cables are mainly laid underground and have many layers of insulation, so their status is less observable. As a result, the internal hidden dangers left by the improper installation process are difficult to be discovered and checked in time. Among them, the silicone oil inside the cable terminal is aged under the harsh conditions of high pressure and high temperature for a long time, which will inevitably produce impurities and cause deterioration, thereby reducing the insulation level of the silicone oil. A series of safety accidents caused by insulation failure wil...

Claims

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Application Information

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IPC IPC(8): G01R31/12G01R31/14G01R31/16G01R27/26G01R27/02G01N27/06G01N27/07G01N27/22
CPCG01N27/06G01N27/07G01N27/221G01N27/226G01N27/228G01R27/02G01R27/2623G01R27/2694G01R31/1281G01R31/14G01R31/16
Inventor 杨旭张静罗传仙江翼周文程林文豪宋鹏先
Owner WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
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