Results 11 to 20 of about 6,908,000 (315)
Thermal stability of cellulose insulation in electrical power transformers - A review.
Carbohydrate Polymers, 2021 Cellulosic pulp has been processed into insulation paper since the earliest days of electrical engineering. This polymer synthetized by nature has proved to be competitive to man-made plastics throughout the last century and is still widely used in ...
Paul Jusner +3 more
semanticscholar +3 more sources
Evolutionary multi-objective fault diagnosis of power transformers
Swarm and Evolutionary Computation, 2017 This paper introduces a two step algorithm for fault diagnosis of power transformers (2-ADOPT) using a binary version of the multi-objective particle swarm optimization (MOPSO) algorithm.
A. Peimankar +3 more
semanticscholar +3 more sources
Alexandria Engineering Journal, 2021 Power transformers are an important asset of power companies. To improve the economic benefits of power companies, it is of great significance to accurately predict the lifecycle cost of each power transformer.
Mingming Du +3 more
doaj +1 more source
Известия высших учебных заведений: Проблемы энергетики, 2023 Power transformers are one of the main components of power supply systems needed to reliably supply electricity to consumers. As we know, the value of the allowable load of transformers is determined by the value of the allowable heating of structural ...
E. Yu. Abdullazyanov +4 more
doaj +1 more source
Digital protection of electrical equipment in railway transport [PDF]
E3S Web of Conferences, 2023 In this scientific study, an analysis of the modernization of the digital protection of AC traction substation electrical equipment in operation, in particular power transformers, the implementation of the basic provisions for the implementation of ...
Turdibekov Komolbek +2 more
doaj +1 more source
Energies, 2020 The article describes a case study when the voltage collapse during lightning impulse tests of new power transformers was noticed and when the repeated tests finished with a positive result.
Tomasz Piotrowski +3 more
doaj +1 more source
Energies, 2022 Several review studies exist in the literature about monitoring, fault detection, and diagnosis of power transformers. However, they are general approaches in terms of power transformers.
Jonathan Velasco Costa +2 more
doaj +1 more source
Optimal passive filter design for effective utilization of cables and transformers under non-sinusoidal conditions [PDF]
, 2014 Transformers and cables have overheating and reduced loading capabilities under non-sinusoidal conditions due to the fact that their losses increases with not only rms value but also frequency of the load current.
Aleem, SHEA +3 more
core +1 more source
Ecological assessment of noise impact of dry transformer substations on the environment [PDF]
E3S Web of Conferences, 2021 At present, special attention is paid to assessing the negative impact of power facilities on the environment, including the impact of noise generated by power equipment.
Barseghyan Sarkis +2 more
doaj +1 more source
Analysis of diagnostic methods and functional state monitoring of power oil transformers in electrical substations [PDF]
E3S Web of Conferences, 2019 In this paper, we analyze the methods of diagnosis and control the functional state of power oil transformers in electrical substations. Oil transformers are the most efficient converters of electrical energy, which is reflected in a higher efficiency in
Lankin Anton +2 more
doaj +1 more source