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On-site insulation test device for totally-enclosed gas insulated high-voltage switch

A high-voltage switch and gas-insulated technology, which is applied in the direction of measuring devices, measuring device casings, and testing dielectric strength, can solve problems such as unfavorable rapid restoration of power supply substations, and achieve high safety performance and stable power supply output.

Active Publication Date: 2021-12-10
江苏安靠智能输电工程科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the test busbar needs to be disassembled and assembled for each test, it is not conducive to the substation where the power supply can be restored quickly

Method used

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  • On-site insulation test device for totally-enclosed gas insulated high-voltage switch
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  • On-site insulation test device for totally-enclosed gas insulated high-voltage switch

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Embodiment Construction

[0031] In order to make the purpose and technical solutions of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present application with reference to the drawings of the embodiments of the present application. Apparently, the described embodiments are some of the embodiments of the present application, but not all of them. Based on the described embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0032] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms such as those defined in c...

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Abstract

The invention provides an on-site insulation test device for a totally-enclosed gas insulated high-voltage switch. A test bus is connected to a proper position of an internal connection conductor between a gas insulation high-voltage switch body and an interface element, and an isolation device and a grounding device are arranged in a gas insulation cavity formed by a test bus sleeve. In a working state, the isolation device is in a switching-off state, and the grounding device is in a switching-on state; when a field insulation test is carried out, the isolation device can be directly set to be in a switching-on state, and the grounding device can be directly set to be in a switching-off state. When a single-phase test is carried out, the grounding device and the transformer side grounding device corresponding to the non-test phase are switched in a switching-on state at the same time. Therefore, an insulation test can be directly carried out after the external test transformer is connected, test buses do not need to be disassembled and assembled respectively, the insulation test can be rapidly completed, and power supply of the transformer substation can be rapidly recovered after the test.

Description

technical field [0001] The application relates to an insulation test system, in particular to a field insulation test device for a fully enclosed gas-insulated high-voltage switch. Background technique [0002] For a fully enclosed gas-insulated high-voltage switch, all its high-voltage components should be placed in a gas-insulated medium, and the outside of the insulating medium should be grounded. Usually, the gas-insulated medium is covered by a grounded metal shell. [0003] In the substation construction area, when the fully enclosed gas-insulated high-voltage switch is connected to other equipment in the substation, in order to ensure the safety of the fully-enclosed gas-insulated high-voltage switch, an insulating medium should be selected as the interface component, such as gas-insulated high-voltage switch and rigid gas-insulated Basin insulators between transmission lines, cable accessories between gas-insulated high-voltage switches and cables, oil / SF6 bushings b...

Claims

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Application Information

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IPC IPC(8): G01R31/12G01R31/327G01R1/30G01R1/04
CPCG01R31/12G01R31/3271G01R31/3275G01R1/30G01R1/04
Inventor 陈晓凌陈晓鸣刘明矿李松恩
Owner 江苏安靠智能输电工程科技股份有限公司
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