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Delta-Bar-Delta and directed random search algorithms to study capacitor banks switching overvoltages [PDF]
Serbian Journal of Electrical Engineering, 2012 This paper introduces an approach to analyse transient overvoltages during capacitor banks switching based on artificial neural networks (ANN). Three learning algorithms, delta-bar-delta (DBD), extended delta-bar-delta (EDBD) and directed random
Sadeghkhani Iman +2 more
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Characterization of lightning-induced overvoltages in wind farms. [PDF]
PLoS ONEWind farms are exposed to various weather hazards, including lightning strikes, which can pose significant risks. However, the impact of different wind farm topologies on the magnitude of lightning-induced overvoltages has not been extensively studied ...
Tamer Eliyan +3 more
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Assessment of the hazard risks on HVDC transmission networks due to lightning strikes and faults. [PDF]
PLoS ONEHVDC systems with high voltage and direct current are suitable for reducing electricity losses, during transmission over long distances. However, HVDC lines have the highest probability of failure within a system and can be damaged by different faults or
Abdelrahman Said +2 more
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Insulation stresses of power equipment exposed to non-standard overvoltage waveforms [PDF]
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2022 During its operation, electrical equipment is constantly exposed to overvoltages of various waveforms, such as lightning discharges, switching operations, faults, etc.
Jasika Ranko +2 more
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The numerical method of inverse Laplace transform for calculation of overvoltages in power transformers and test results [PDF]
Serbian Journal of Electrical Engineering, 2014 A methodology for calculation of overvoltages in transformer windings, based on a numerical method of inverse Laplace transform, is presented.
Mikulović Jovan Č. +1 more
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Overvoltage in medium voltage networks [PDF]
Омский научный вестник, 2019 The causes of overvoltages in medium voltage networks can be not only atmospheric discharges and switching processes, but also certain operational states. The purpose of the study is to analyze overvoltages in medium voltage networks with atmospheric
E. A. Krotenko
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Energy Reports, 2022 Since the Electromagnetic Transient (EMT) process of the high-voltage submarine cable has a great influence on the safe and stable operation of the transmission system, it is necessary to analyze its EMT process under actual engineering.
Han Li +3 more
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Overvoltages transferred from a network of 220 kV to 15.65 kV level of the step-up transformer in HPP 'Bajina Bašta' [PDF]
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2011 The paper presents the results of research in lightning surge waves and switching overvoltages transferred from a network of 220 kV to the 15.65 kV level of the step-up transformer in HPP 'Bajina Bašta'. Analysis of survey results lead to conclusion that
Vukelja Petar, Mrvić Jovan
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Energies, 2021 In the latest research, it has been proven that from the point of view of losses in a cable distribution line, the most advantageous operation is to work with two or one phase of metallic cable screen ungrounded.
Aleksandra Schött-Szymczak +1 more
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Energies, 2020 Vacuum circuit breakers are increasingly used as switching apparatus in electric power systems. The vacuum circuit breakers (VCBs) have very good operating properties. VCBs are characterized by specific physical phenomena that affect overvoltage exposure
Marek Florkowski +3 more
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