Results 11 to 20 of about 11,911 (300)
Optimum feature selection for classification of PD signals produced by multiple insulation defects in electric motors [PDF]
Scientific ReportsPartial discharges (PD) are initiated in electrical equipment during various points of the equipment’s lifecycle. The intensity of PD defects rises continuously with time, which can lead to insulation degradation and reduced operational life of the ...
Waqar Hassan +5 more
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Deep Learning-Based Intelligent Detection Device for Insulation Pull Rod Defects
EnergiesThis paper proposes a deep learning-based intelligent detection device for insulation pull rod defects, addressing the issues of low detection accuracy, poor timeliness of intelligent analysis, and the difficulty in preserving detection results. Firstly,
Hua Yu +7 more
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Applied SciencesAir switchgear is an important power equipment in the transmission, transformation, and distribution process of the power system. Insulation defects can lead to partial discharge, which is one of the primary causes of air switchgear failure.
Yi Tian +3 more
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ONLINE TECHNOLOGICAL MONITORING OF INSULATION DEFECTS IN ENAMELED WIRES
Electrical engineering & Electromechanics, 2017 In this paper the authors used non-destructive technological monitoring of defects insulation enameled wire with poliimid polymer. The paper is devoted to the statistical method for processing, comparison and analysis of results of measurements of ...
V. M. Zolotaryov +4 more
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Identification of XLPE cable insulation defects based on deep learning
Global Energy Interconnection, 2023 The insulation aging of cross-linked polyethylene (XLPE) cables is the main reason for the reduction in cable life. There is currently a lack of rapid and effective methods for detecting cable insulation defects in power-related sectors.
Tao Zhou +5 more
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EnergiesThe combined insulation interface of a high-voltage cable and accessories is the weakest part of a cable system. In this paper, the parameters of the dielectric constant, thermal conductivity, and elastic modulus of cross-linked polyethylene (XLPE) and ...
Xu Lu +6 more
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Electrical engineering & Electromechanics, 2019 Introduction. High-voltage insulation systems always have some background level of the partial discharges, which does not have any significant effect on the life of the electrical insulation design.
G. V. Bezprozvannych +3 more
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A curvature-adaptive flexible capacitive sensing system for early detection of corrosion under insulation in long-distance thermal pipelines [PDF]
Scientific ReportsCorrosion under insulation (CUI) poses a significant threat to the integrity and safety of long-distance thermal pipelines. However, conventional non-destructive testing (NDT) methods struggle to achieve early-stage detection of CUI while effectively ...
Tao Zeng +3 more
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On the Identification of Insulation Defects Supporting Partial Discharges
2014 AEIT Annual Conference - From Research to Industry: The Need for a More Effective Technology Transfer (AEIT), 2014 The identification of defects supporting Partial Discharge (PD) phenomena in insulation systems of HV machines and components, is a fundamental requirement of any diagnostic procedure because different defect typologies can affect in different ways the ...
CONTIN, ALFREDO, Alfredo Contin
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电力工程技术Given the frequent missing and false alarms of partial discharge insulation defects in on-site gas insulated substation (GIS), intermittent discharge characteristics tests are conducted in this article to study the discharge characteristics of common ...
ZHANG Guozhi +4 more
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