Results 11 to 20 of about 6,473 (191)

Development of a Low-Energy Mobile Current Waveform Impulse Generator for Application in Low Voltage Surge Arresters [PDF]

open access: yesBrazilian Archives of Biology and Technology
Surge arresters are at the forefront of protection against voltage surges. The loss of the protective effect of surge arresters imposes accidents and unplanned shutdowns on the power system.
Tiago Goncalves Zacarias   +9 more
doaj   +1 more source

Considered remedies and diagnostic surge arresters

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
Considered remedies and diagnostic surge arresters. Proposed and economically feasible patents and methods (program) selection of fuses for protection and diagnostics of surge arresters.
I. A. Khatanova, D. V. Khatanov
doaj   +1 more source

Application of Deep Learning and Symmetrized Dot Pattern to Detect Surge Arrester Status

open access: yesApplied Sciences, 2022
Surge arresters primarily restrain lightning and switch surges in the power system to avoid damaging power equipment. When a surge arrester fails, it leads to huge damage to the power equipment.
Meng-Hui Wang   +2 more
doaj   +1 more source

Frequency and Time Series Analysis of Surge Arrester in Power Distribution Systems [PDF]

open access: yesAdvances in Engineering and Intelligence Systems
Surge arresters are essential protective devices in power systems that redirect excess voltage and prevent damage to sensitive equipment. Extensive research has been conducted in electro-thermal modeling for surge arresters to better understand and ...
Alireza Zabihi, Mohammad Parhamfar
doaj   +1 more source

Quality Assessment of Low Voltage Surge Arresters

open access: yesIEEE Access, 2022
Users expect reliable operation of the surge arrester during overvoltages, which may originate from a switching process or a lightning discharge. The necessary conditions to guarantee these expectations are: appropriate construction of the surge arrester,
Leszek S. Litzbarski   +6 more
doaj   +1 more source

Generator step up transformer overvoltage protection in EPS power plants [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2015
This paper presents the current state of the overvoltage protection of generator transformers in power plants of the Power Company of Serbia (EPS) and gives a critical overview of their overvoltage protection.
Mrvić Jovan   +2 more
doaj   +1 more source

Adjusting the Parameters of Metal Oxide Gapless Surge Arresters’ Equivalent Circuits Using the Harmony Search Method

open access: yesEnergies, 2017
The appropriate circuit modeling of metal oxide gapless surge arresters is critical for insulation coordination studies. Metal oxide arresters present a dynamic behavior for fast front surges; namely, their residual voltage is dependent on the peak value,
Christos A. Christodoulou   +4 more
doaj   +1 more source

Online Condition Monitoring of 120 kV Zinc Oxide Surge Arresters Using Correlation Method

open access: yesEngineering Proceedings, 2023
The degradation of Zinc Oxide Surge Arresters (ZnOSA) is commonly detected by the resistive component of its leakage current ‘Ir’. The methods previously employed to extract the resistive component of the leakage current were intricate and demanded a ...
Syeda Sakina Haider   +4 more
doaj   +1 more source

Measurement and Modelling of Leakage Current Behaviour in ZnO Surge Arresters under Various Applied Voltage Amplitudes and Pollution Conditions

open access: yesEnergies, 2018
In zinc oxide (ZnO) surge arresters, leakage current usually flows across the arrester under normal operating condition. Leakage current is one of the factors which contribute towards degradation of surge arresters and therefore, it is very important to ...
Nurul A. A. Latiff   +3 more
doaj   +1 more source

Enhancing the Protective Performance of Surge Arresters against Indirect Lightning Strikes via an Inductor-Based Filter

open access: yesEnergies, 2020
Preventing the medium voltage (MV) transformer fault by protecting transformers against indirect lightning strikes plays a crucial role in enhancing the continuous service to electricity consumers.
Mahdi Pourakbari-Kasmaei, Matti Lehtonen
doaj   +1 more source

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