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A New Approach for Estimating Insulation Condition of Field Transformers Using FRAMOHD YOUSOF, M. F.   , AL-AMERI, S. , AHMAD, H. , ILLIAS, H. A. , ARSHAD, S. N. M. |
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Author keywords
frequency response, insulation, insulation testing, power transformers
References keywords
response(17), transformer(16), power(16), frequency(16), analysis(13), link(9), insulation(7), transformers(6), yousof(4), sfra(4)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2020-02-28
Volume 20, Issue 1, Year 2020, On page(s): 35 - 42
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2020.01005
Web of Science Accession Number: 000518392600005
SCOPUS ID: 85083698122
Abstract
Frequency response analysis (FRA) is a tool for evaluating mechanical integrity of transformer's core and winding. However, several studies have reported that FRA is also sensitive to other parameters such as temperature, moisture content and presence of oil. Since some of these parameters are critical in the insulation degradation process, it is interesting to further investigate the possibility of using FRA for insulation assessment. In this paper, the insulation conditions of three field transformers are investigated using FRA. This is performed after statistical analysis on the response suggested no mechanical damage on the transformers. The responses are further analyzed to determine the percentage of change of winding capacitance. This is achieved by comparing resonance frequencies between the responses. The percentage of change represents the amount of degradation in the insulation. This is because as the insulation condition degrades, the response is shifted towards lower frequencies. This new investigation demonstrates the applicability of FRA to estimate the insulation degradation. |
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[1] Application of the Analysis of Variance (ANOVA) in the Interpretation of Power Transformer Faults, Thango, Bonginkosi A., Energies, ISSN 1996-1073, Issue 19, Volume 15, 2022.
Digital Object Identifier: 10.3390/en15197224 [CrossRef]
[2] Dielectric Response Model for Transformer Insulation Using Frequency Domain Spectroscopy and Vector Fitting, Hernandez, Giovanni, Ramirez, Abner, Energies, ISSN 1996-1073, Issue 7, Volume 15, 2022.
Digital Object Identifier: 10.3390/en15072655 [CrossRef]
[3] Frequency Response Analysis for Three-Phase Star and Delta Induction Motors: Pattern Recognition and Fault Analysis Using Statistical Indicators, Al-Ameri, Salem Mgammal, Abdul-Malek, Zulkurnain, Salem, Ali Ahmed, Noorden, Zulkarnain Ahmad, Alawady, Ahmed Allawy, Yousof, Mohd Fairouz Mohd, Mosaad, Mohamed Ibrahim, Abu-Siada, Ahmed, Thabit, Hammam Abdurabu, Machines, ISSN 2075-1702, Issue 1, Volume 11, 2023.
Digital Object Identifier: 10.3390/machines11010106 [CrossRef]
[4] Interpretation of Frequency Response Analysis for Fault Detection in Power Transformers, Al-Ameri, Salem Mgammal, Kamarudin, Muhammad Saufi, Yousof, Mohd Fairouz Mohd, Salem, Ali A., Siada, A. Abu, Mosaad, Mohamed I., Applied Sciences, ISSN 2076-3417, Issue 7, Volume 11, 2021.
Digital Object Identifier: 10.3390/app11072923 [CrossRef]
[5] Application of Frequency Response Analysis Technique to Detect Transformer Tap Changer Faults, Al-Ameri, Salem Mgammal, Almutairi, Abdulaziz, Kamarudin, Muhammad Saufi, Yousof, Mohd Fairouz Mohd, Abu-Siada, Ahmed, Mosaad, Mohamed Ibrahim, Alyami, Saeed, Applied Sciences, ISSN 2076-3417, Issue 7, Volume 11, 2021.
Digital Object Identifier: 10.3390/app11073128 [CrossRef]
[6] Influence of temperature on phase shift angle and admittance of moistened composite of cellulose and insulating oil, Zukowski, Pawel, Rogalski, Przemyslaw, Koltunowicz, Tomasz N., Kierczynski, Konrad, Subocz, Jan, Sebok, Milan, Measurement, ISSN 0263-2241, Issue , 2021.
Digital Object Identifier: 10.1016/j.measurement.2021.110041 [CrossRef]
[7] Application of Frequency Response Analysis Method to Detect Short-Circuit Faults in Three-Phase Induction Motors, Al-Ameri, Salem Mgammal, Alawady, Ahmed Allawy, Yousof, Mohd Fairouz Mohd, Kamarudin, Muhammad Saufi, Salem, Ali Ahmed, Abu-Siada, Ahmed, Mosaad, Mohamed I., Applied Sciences, ISSN 2076-3417, Issue 4, Volume 12, 2022.
Digital Object Identifier: 10.3390/app12042046 [CrossRef]
[8] The Effect of Tap Changer Coking and Pitting on Frequency Response Analysis Measurement of Transformer, Al-Ameri, Salem Mgammal, Allawy Alawady, Ahmed, Mohd Yousof, Mohd Fairouz, Saufi Kamarudin, Muhammad, Illias, Hazlee Azil, 2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM), ISBN 978-1-7281-8238-4, 2021.
Digital Object Identifier: 10.1109/ICPADM49635.2021.9493956 [CrossRef]
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
