Zobrazeno 1 - 10
of 287
pro vyhledávání: '"frequency response analysis (FRA)"'
Publikováno v:
IEEE Access, Vol 12, Pp 50287-50299 (2024)
Power transformers are the vital and expensive components of the power system. Timely identifying and diagnosing the transformer faults is critical to maintaining the stability of the power grid. As a sensitive and economical tool, the frequency resp
Externí odkaz:
https://doaj.org/article/3b948bc9014741c8a19fc21eb3eb54e0
Publikováno v:
Energies, Vol 17, Iss 13, p 3274 (2024)
The aim of the article is to present the method of modeling the frequency response of the transformer windings with axial displacements. Frequency response analysis (often referred to as FRA or SFRA) is a powerful and sensitive method for testing the
Externí odkaz:
https://doaj.org/article/e58781a403bb4a79b7452334aadee2d2
Autor:
R. Behkam, A. Moradzadeh, H. Karimi, M.S. Nadery, B. Mohammadi ivatloo, G.B. Gharehpetian, S. Tenbohlen
Publikováno v:
Journal of Operation and Automation in Power Engineering, Vol 11, Iss 1, Pp 11-21 (2023)
The Frequency Response Analysis (FRA) technique has advantages in identifying faults related to power transformers, but it suffers from the interpretation of frequency responses. This paper presents an approach based on statistical indices and Artifi
Externí odkaz:
https://doaj.org/article/f1a847b081bd4753ba557678be4a740b
Publikováno v:
Energies, Vol 17, Iss 6, p 1431 (2024)
The paper describes the application of the numerical tool quality index for an objective evaluation of complementary frequency response analysis (FRA) and vibroacoustic method (VM) test methods. These diagnostic methods are used in the industrial pra
Externí odkaz:
https://doaj.org/article/cdc183751d75475abacd3e785e1554aa
Akademický článek
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Publikováno v:
COMPEL -The international journal for computation and mathematics in electrical and electronic engineering, 2021, Vol. 41, Issue 1, pp. 381-409.
Autor:
Mehran Tahir, Stefan Tenbohlen
Publikováno v:
Energies, Vol 16, Iss 9, p 3714 (2023)
At present, the condition assessment of transformer winding based on frequency response analysis (FRA) measurements demands skilled personnel. Despite many research efforts in the last decade, there is still no definitive methodology for the interpre
Externí odkaz:
https://doaj.org/article/93a5dec01d6e45a4bad8eb1aada20334
Publikováno v:
IEEE Access, Vol 9, Pp 13981-13991 (2021)
With the expansion of the use of frequency response analysis (FRA) as a reliable tool for fault detection in transformers, more capabilities of this method are discovered every day. So that today the number of transformer faults that can be identifie
Externí odkaz:
https://doaj.org/article/9f6c11b561dc4a6eab3b9d9cc4ce0605
Autor:
Salem Mgammal Al-Ameri, Zulkurnain Abdul-Malek, Ali Ahmed Salem, Zulkarnain Ahmad Noorden, Ahmed Allawy Alawady, Mohd Fairouz Mohd Yousof, Mohamed Ibrahim Mosaad, Ahmed Abu-Siada, Hammam Abdurabu Thabit
Publikováno v:
Machines, Vol 11, Iss 1, p 106 (2023)
This paper presents a new investigation to detect various faults within the three-phase star and delta induction motors (IMs) using a frequency response analysis (FRA). In this regard, experimental measurements using FRA are performed on three IMs of
Externí odkaz:
https://doaj.org/article/c881d0b22c6e4ebbb04bf1abd00e4194
Publikováno v:
IEEE Access, Vol 8, Pp 179486-179496 (2020)
Frequency Response Analysis (FRA) is regarded as the most effective technique for detecting mechanical faults in transformer windings. However, the main challenge in applying the FRA technique lies in the correct interpretation of the differences bet
Externí odkaz:
https://doaj.org/article/06a4df5cb6f04b5180c56cb42a61bc7d