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Results in EngineeringThis study investigates the effectiveness of non-magnetic materials used in the cover plates of power and distribution transformers. In transformers with large nominal power ratings, the current flowing through the low voltage (LV) windings can reach ...
Mohammad Hassan Hashemi +3 more
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AI Open, 2022 Transformers have achieved great success in many artificial intelligence fields, such as natural language processing, computer vision, and audio processing. Therefore, it is natural to attract lots of interest from academic and industry researchers. Up to the present, a great variety of Transformer variants (a.k.a.
Tianyang Lin +3 more
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Internal Arc Performance of Instrument Transformers Filled with Different Dielectric Liquids
EnergiesInternal arc testing is still a controversial topic in the instrument transformer world. The main reason for that is the fact that even a fully successful test guarantees only a certain degree of transformer safety. Furthermore, the test does not cover a
Ivan Mihoković +3 more
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A Disruptive Transformation in Digital Transformation [PDF]
IT Professional, 2021 Welcome to the fifth IT Professional issue of 2021, devoted to digital transformation (DT). It presents four peer-reviewed papers on this theme, four peer-reviewed feature papers on different topics, and column/department articles that align to probe deeper into DT.
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A REVIEW ON RECENT STUDIES IN THE AREA OF CONJUGATE HEAT TRANSFER MODELLING IN TRANSFORMERS
Rudarsko-geološko-naftni ZbornikThe exact position and the value of the hot-spot temperature in a transformer could be estimated by calculation using computational fluid dynamics. However, this approach requires the usage of significant computational resources.
Alen Cukrov +4 more
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Comprehensive Analysis of Alternative Magnet Configurations in a Biased‐Flux Machine
IET Electric Power ApplicationsBiased‐flux motors are a type of electric machine that operate in an unconventional manner but can offer structural and performance advantages over more conventional topologies.
Mohammad Afrank +4 more
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Accuracy Performance of Open-Core Inductive Voltage Transformers at Higher Frequencies
EnergiesThe new revision of the main instrument transformer standard, IEC 61869-1:2023, premiered requirements for the performance of instrument transformers in terms of transfer accuracy at higher frequencies.
Josip Ivankić +3 more
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Determination of Core Losses in Open-Core Power Voltage Transformers
IEEE Access, 2018 Power voltage transformers (PVTs) are becoming increasingly present in different substation solutions on a world scale. Such units that are based on the open-core concept introduce several advantages in terms of transformer performance and reliability ...
Igor Ziger, Bojan Trkulja, Zeljko Stih
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Case Studies in Thermal EngineeringWhen electrical machines operate without a specific cooling system, the surrounding environment plays a crucial role in the rise of temperature and the duty cycle of operation.
Tohid Sharifi +2 more
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Energies, 2019 This article presents a description of four independent case studies concerning situations when power transformers were directed to internal inspection. This inspection was the result of a specific case of a routine diagnostic procedure that was carried ...
Tomasz Piotrowski +2 more
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