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High-voltage switch cabinet partial discharge live detection validity judgment system and method

A live detection and high-voltage switch technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as failure to provide the basis for judging suitable detection methods for defects, and systematic research on the effectiveness of live detection methods. , to ensure the effectiveness of

Pending Publication Date: 2022-02-11
MAINTENANCE BRANCH OF STATE GRID HEBEI ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the application of live detection technology for partial discharge of switchgear is limited to data reading of live detection instruments, which is empirical and subjective; the research on live detection technology of high-voltage switchgear is still in its infancy. However, there is no systematic research on the effectiveness of different charging detection methods under various defects, and the basis for judging the suitable detection method for defects has not been provided. On-site test personnel have great difficulties in judging the type of defects

Method used

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  • High-voltage switch cabinet partial discharge live detection validity judgment system and method
  • High-voltage switch cabinet partial discharge live detection validity judgment system and method
  • High-voltage switch cabinet partial discharge live detection validity judgment system and method

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Embodiment 1

[0034] see Figure 1-2 , the embodiment of the present invention provides a high-voltage switchgear partial discharge live detection effectiveness judgment system, including a detection point layout module 2, a detection point measurement module 3 and a data processing unit 5, the detection point layout module 2 and the detection point measurement Module 3 is connected with data processing unit 5, wherein:

[0035] The detection point layout module 2 is used to arrange the detection points in the switch cabinet, record the detection point positions, and send the detection point position data to the data processing unit 5;

[0036] The detection point measurement module 3 is used to configure the detection component at the detection point, obtain the working state data of the detection component, and send the working state data to the data processing unit 5;

[0037] The data processing unit 5 receives the detection point position data sent by the detection point arrangement u...

Embodiment 2

[0044] see Figure 1-2, the embodiment of the present invention provides a high-voltage switchgear partial discharge live detection effectiveness judgment system, including a detection point layout module 2, a detection point measurement module 3 and a data processing unit 5, the detection point layout module 2 and the detection point measurement Module 3 is connected with data processing unit 5, wherein:

[0045] The detection point layout module 2 is used to arrange the detection points in the switch cabinet, record the detection point positions, and send the detection point position data to the data processing unit 5;

[0046] The detection point measurement module 3 is used to configure the detection component at the detection point, obtain the working state data of the detection component, and send the working state data to the data processing unit 5;

[0047] The data processing unit 5 receives the detection point position data sent by the detection point arrangement un...

Embodiment 3

[0063] see Figure 1-2 , the embodiment of the present invention provides a high-voltage switchgear partial discharge live detection effectiveness judgment system, including a detection point layout module 2, a detection point measurement module 3 and a data processing unit 5, the detection point layout module 2 and the detection point measurement Module 3 is connected with data processing unit 5, wherein:

[0064] The detection point layout module 2 is used to arrange the detection points in the switch cabinet, record the detection point positions, and send the detection point position data to the data processing unit 5;

[0065] The detection point measurement module 3 is used to configure the detection component at the detection point, obtain the working state data of the detection component, and send the working state data to the data processing unit 5;

[0066] The data processing unit 5 receives the detection point position data sent by the detection point arrangement u...

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Abstract

The invention provides a high-voltage switch cabinet partial discharge live detection validity judgment system and method, the system comprises a detection point arrangement module, a detection point measurement module and a data processing unit, and the detection point arrangement module and the detection point measurement module are connected with the data processing unit. According to the high-voltage switch cabinet partial discharge live detection validity judgment system provided by the invention, the detection points are arranged in the switch cabinet, the detection positions are recorded, detection assemblies are installed on the detection points, voltage excitation is applied to the detection assemblies on the detection points, the working state data of the detection assemblies are obtained, and data analysis is performed on the working state data to obtain the live detection result of the detection points, and the live detection result is confirmed to ensure the validity of the live detection result of the switch cabinet.

Description

technical field [0001] The invention belongs to the technical field of switch cabinet detection, and in particular relates to a system and method for judging the effectiveness of partial discharge live detection of a high-voltage switch cabinet. Background technique [0002] High-voltage switchgear is the switchgear with the largest number and widest range in the power system. It undertakes the function of directly supplying power to users, and its operation is directly related to the reliability of power supply for users. Due to the large number of high-voltage switchgears and the long routine test period, it is difficult to find internal defects in time, and insulation accidents may occur during the test period. [0003] Due to environmental factors or the quality of its own insulating parts, various defects will appear in the high-voltage switchgear after long-term operation, and these defects will lead to partial discharge. The live detection technology of high-voltage ...

Claims

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Application Information

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IPC IPC(8): G01R31/12
CPCG01R31/1227
Inventor 崔宝婕甄旭王群姜晓磊
Owner MAINTENANCE BRANCH OF STATE GRID HEBEI ELECTRIC POWER
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