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Method of Using Infrared Spectrum Analysis to Diagnose Overheating Defects of Equipment

A technology of infrared spectrum and diagnostic equipment, which is applied in the field of live detection and diagnosis of electrical equipment, can solve the problems of large amount of data and restrict the application and development of infrared thermal imaging technology, and achieve the effects of improving accuracy, facilitating information sharing, and facilitating centralized management

Inactive Publication Date: 2017-01-11
HUAINAN POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CORPORATIO
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Problems solved by technology

However, due to the large amount of data in the infrared thermal imaging spectrum of electrical equipment, there is currently a lack of centralized management means and methods with high analysis and diagnosis accuracy, strong reliability, and relatively complete system functions, which largely restricts infrared thermal imaging technology. Application and Development in Electric Power Production

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  • Method of Using Infrared Spectrum Analysis to Diagnose Overheating Defects of Equipment
  • Method of Using Infrared Spectrum Analysis to Diagnose Overheating Defects of Equipment
  • Method of Using Infrared Spectrum Analysis to Diagnose Overheating Defects of Equipment

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Embodiment approach

[0056] The embodiment of method provided by the present invention is as follows:

[0057] See attached figure 1 , the method for analyzing and diagnosing the overheating defect of the equipment by infrared spectrum comprises the following steps:

[0058] (1) Standardize the spectral data format, and establish a standard spectral library and a typical abnormal infrared spectral library for each equipment or phase by phase;

[0059] The map data format is uniformly standardized as JPG or BMP format; equipment includes transformers, circuit breakers, isolating switches, current transformers, voltage transformers, reactors, power capacitors, lightning arresters, insulators, busbars, combined electrical appliances, bushings, and wall bushings Tubes, conductors, clamps, cable terminations and secondary terminal boxes.

[0060] The establishment process of the standard spectral library is as attached figure 2 shown. The high-definition visible light camera collects the panoramic...

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Abstract

The invention discloses a method for diagnosing equipment overheating defects by utilizing infrared spectrum analysis. The method comprises the following steps: establishing a standard spectrum library and a typical abnormal infrared spectrum library; acquiring an infrared chart of equipment on site and identifying and matching standing book information of the equipment; calculating related temperature indexes of the spectrum, and automatically extracting the most similar case spectrum; fully contrasting the standard spectrum, the typical abnormal spectrum and the most similar case spectrum, and analyzing and judging whether the equipment is overheated; judging and ranking the equipment state and defect degree, analyzing the risk and giving processing decision suggestions; and transmitting the state data and decision suggestions to a production management system. According to the method for diagnosing equipment overheating defects by utilizing infrared spectrum analysis, centralized management and information sharing of the spectrums are conveniently realized, the accuracy and reliability of spectrum analysis and diagnosis are improved, ad the method provides decision suggestions for field defect processing, is in interactive cooperation with the production management system and has a positive effect of thoroughly promoting equipment state maintenance.

Description

technical field [0001] The invention belongs to the field of live detection and diagnosis of electrical equipment, and in particular relates to a method for analyzing and diagnosing whether an overheating defect occurs in an electrical equipment during operation by using an infrared spectrum. Background technique [0002] Electrical equipment is often damaged due to overheating defects, and sometimes even lead to serious power grid accidents. Therefore, how to detect equipment overheating defects as early as possible and in time to ensure the health of equipment and the safety of power grid operation has become a concern for power companies. Infrared thermal imaging technology can quickly and real-time obtain equipment surface and internal temperature information, and does not need to directly contact live equipment in operation, so it can conveniently and accurately analyze and diagnose most equipment overheating defects, and can play an important role in the actual field. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/72
Inventor 汪俊斌刘厚康曾议杨威
Owner HUAINAN POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CORPORATIO
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