Results 51 to 60 of about 666,363 (220)
The role of surge arresters is vital in power systems' protection against transient overvoltages, which can arise due to occurrences like lightning strikes or switching operations.
Masume Khodsuz +2 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]
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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Studies of in-service and laboratory failures of metal-oxide distribution surge arresters [PDF]
We describe the findings from tests and inspections of arresters withdrawn from service, the results of laboratory studies with multipulse lightning currents and high temporary over-voltages, and comparisons of in-service and laboratory failure modes. We
Darveniza, M., Saha, T. K., Wright, S.
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Вивчення впливу атмосферних перенапруг на повітряні лінії середніх класів напруги [PDF]
The article is devoted to the effect of atmospheric overvoltages on the operation of overhead lines of electrical distribution networks with protected and bare wires.
Danylchenko, Dmytro
core +1 more source
A Simplified Lightning Model for Metal Oxide Surge Arrester [PDF]
Lightning strike has been one of the major factors that lead to failure of electrical power systems. In recent years, metal oxide surge arrester has been widely used and it is now an essential item in the insulation coordination for power systems based ...
Mardira, K. P., Saha, T.K.
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Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]
In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Ramírez, Jorge, Valecillos, Baudilio
core +3 more sources
Design of Lightning Arresters for Electrical Power Systems Protection
This paper presents an overview of how the lightning strikes and their effects on power distribution systems can be modeled, where the results give a clear picture of how to eliminate the devastating impact, caused by lightning, by using lightning ...
Shehab Abdulwadood
doaj +1 more source
Production improvement in ACM manufacturing company using lean manufacturing approach [PDF]
ACM Sdn. Bhd. is a manufacturing company, in which to continuously commit on improvement process which based on the fundamental goal, to minimize or eliminate waste while maximizing production flow.
Sidek, Kamsidi @ Abd Malek
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The efficient protection of electric power distribution networks against lightning discharges is a crucial problem for distribution electric utilities.
Gabriel Vianna Soares Rocha +8 more
doaj +1 more source
Estimation of parameters of metal-oxide surge arrester models using Big Bang-Big Crunch and Hybrid Big Bang-Big Crunch algorithms [PDF]
Metal oxide surge arrester accurate modeling and its parameter identification are very important for insulation coordination studies, arrester allocation and system reliability.
M.M Abravesh +3 more
doaj +1 more source

