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University of Suceava
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Print ISSN: 1582-7445
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WorldCat: 643243560
doi: 10.4316/AECE


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  2/2024 - 2

Simulation for Overall Moisture Distribution and Effects on the Electric Field of OIP Bushing Under Different Damp Defects

YANG, H. See more information about YANG, H. on SCOPUS See more information about YANG, H. on IEEExplore See more information about YANG, H. on Web of Science, ZHAO, S. See more information about  ZHAO, S. on SCOPUS See more information about  ZHAO, S. on SCOPUS See more information about ZHAO, S. on Web of Science, ZHOU, F. See more information about  ZHOU, F. on SCOPUS See more information about  ZHOU, F. on SCOPUS See more information about ZHOU, F. on Web of Science, CHEN, J. See more information about  CHEN, J. on SCOPUS See more information about  CHEN, J. on SCOPUS See more information about CHEN, J. on Web of Science, DUAN, Y. See more information about DUAN, Y. on SCOPUS See more information about DUAN, Y. on SCOPUS See more information about DUAN, Y. on Web of Science
 
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Download PDF pdficon (3,875 KB) | Citation | Downloads: 226 | Views: 247

Author keywords
dielectric constant, electromagnetic fields, finite element analysis, moisture measurement, oil insulation

References keywords
insulation(15), power(13), moisture(13), transformer(10), paper(9), tdei(7), diffusion(7), transformers(6), liao(6), board(6)
Blue keywords are present in both the references section and the paper title.

About this article
Date of Publication: 2024-05-31
Volume 24, Issue 2, Year 2024, On page(s): 11 - 20
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2024.02002
SCOPUS ID: 85195677892

Abstract
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The insulation status of oil-impregnated paper (OIP) bushings directly indicates their operational condition. Damp defects constitute the primary factor contributing to the deterioration of oil-paper insulation. In this paper, the overall moisture distribution of capacitor cores with three damp defects (steady-state, transient, anzd tail moisture damp defect) and its effect on the electric field were studied. A moisture diffusion model for OIP bushing was established based on Finite Element Method (FEM) software, and it was also verified by moisture diffusion experiments. Then, the overall moisture distribution of the capacitor core under three damp defects was investigated. The findings indicate significant variation in the overall moisture distribution of the capacitor core influenced by factors such as aluminum foil and temperature. Furthermore, the relative permittivity of the oil-impregnated paper was computed. Subsequently, the impact of various moisture-induced defects on the electric field was determined. Simulation results unveiled distortion in the electric field of each electrode within the capacitor core. Specifically, the electric field of the zero electrode increased, while that of the outermost electrode decreased in all three damp defect scenarios. The conclusions drawn can thus be used for intelligent operation and condition assessment of OIP bushings.


References | Cited By  «-- Click to see who has cited this paper

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References Weight

Web of Science® Citations for all references: 843 TCR
SCOPUS® Citations for all references: 1,315 TCR

Web of Science® Average Citations per reference: 27 ACR
SCOPUS® Average Citations per reference: 42 ACR

TCR = Total Citations for References / ACR = Average Citations per Reference

We introduced in 2010 - for the first time in scientific publishing, the term "References Weight", as a quantitative indication of the quality ... Read more

Citations for references updated on 2024-07-15 17:25 in 175 seconds.




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