Results 11 to 20 of about 10,677,552 (246)
Calculating the Inrush Current of Superconducting Transformers [PDF]
Energies, 2021 Under certain circumstances, after connecting a superconducting transformer to the power network, a high value current may flow through its windings. This current can exceed the critical value of the superconductor many times and cause the windings to ...
Grzegorz Komarzyniec
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IEEE Access, 2022 This paper addresses the black start of medium voltage distribution networks (MV-DNs) by a battery energy storage system (BESS). The BESS consists of a two-level voltage source inverter interfacing MV-DN which has limited overcurrent capability.
Mahdi Shahparasti +5 more
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EnergiesThe reliability and stability of differential protection in power transformers could be threatened by several types of inferences, including magnetizing inrush currents, current transformer saturation, and overexcitation from external faults.
Sopheap Key, Gyu-Won Son, Soon-Ryul Nam
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An innovative harmonic‐based approach for inrush current detection in low‐loss transformers
IET Generation, Transmission & DistributionTransformer inrush current occurs due to the saturation of magnetic core. The magnetic characteristic of the core directly affects the inrush current waveform. Second harmonic and higher‐order harmonics are present in the inrush harmonic spectrum.
Saeed Sanati +2 more
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Identification of Inrush Current Using a GSA-BP Network
Energies, 2023 Ensuring a stable and efficient transformer operation is a very crucial task nowadays, especially with the integration of modern and sensitive electrical equipment and appliances down the line. However, transformer maloperation still cannot be completely
Zhou Ruhan +2 more
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BLOCKING ALGORITHM FOR CURRENT PROTECTION DURING INRUSH MAGNETIZATION CURRENT
Наука и техника, 2014 The paper presents blocking algorithm for current protection during inrush process. The algorithm is based on the evaluation of the ratio of the positive sequence second harmonic current to the negative sequence first harmonic current.
F. A. Romaniuk, M. S. Loman
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IEEE Access, 2021 Inrush current with high amplitude is generated when the transformer is energized. On the one hand, it will have a negative impact on the safety of the transformer itself, and even cause the relay protection to malfunction.
Yuanlin Pan +5 more
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Inrush Current Control of High Power Density DC–DC Converter
Energies, 2020 This paper presents a complete mathematical design of the main components of 2 kW, 54 direct current (DC)–DC converter stage, which can be used as the second stage of the two stages of alternating current (AC)–DC telecom power supply.
Ahmed H. Okilly +2 more
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Contribution of inrush current to mechanical failure of power transformers windings
High Voltage, 2019 This work presents a study regarding the contribution of inrush current to the occurrence of mechanical fatigue in windings of a power transformer and, consequently, the impact of that phenomenon on the equipment's lifetime. In order to perform the study,
Rafael M.R. Barros +5 more
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Inductance inrush current time–frequency analysis [PDF]
IET Science, Measurement & Technology, 2020 This study presents an application of the reassigned Gabor time–frequency transform to the inductance inrush current transient analysis. Measurement setup is constructed and the measurement methodology is presented to obtain fully controlled transformer inrush current measurements.
Tin Benšić +3 more
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