Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jozef Király"'
Autor:
Peter Havran, Roman Cimbala, Juraj Kurimský, Michal Rajňák, Bystrík Dolník, Dušan Medveď, Jozef Király
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 1599-1611 (2023)
This study focuses on the dielectric relaxation response of insulating liquids based on mineral oil and synthetic ester in a thermal field.The research also offers the dielectric relaxation response of the magnetic nanofluid based on the investigated
Externí odkaz:
https://doaj.org/article/e9991fe8d7384d9492d6c9376e4e5a1d
Publikováno v:
Acta Electrotechnica et Informatica, Vol 2021, Iss 2, Pp 7-12 (2021)
This work solves the comparison of two different thermal stress times for selected liquid insulation materials based on transformer oils by impedance spectroscopy. Research is focused on actual and progressive liquid insulation materials. The scient
Externí odkaz:
https://doaj.org/article/ba61950aa6714e95917d4b85ad5b7ffd
Autor:
Peter Havran, Roman Cimbala, Juraj Kurimský, Bystrík Dolník, Iraida Kolcunová, Dušan Medveď, Jozef Király, Vladimír Kohan, Ľuboš Šárpataky
Publikováno v:
Energies, Vol 15, Iss 1, p 391 (2022)
The motivation to improve components in electric power equipment brings new proposals from world-renowned scientists to strengthen them in operation. An essential part of every electric power equipment is its insulation system, which must have the be
Externí odkaz:
https://doaj.org/article/741f07ee0c43403584150dcfee44e9cb
Publikováno v:
Acta Electrotechnica et Informatica, Vol 2021, Iss 2, Pp 7-12 (2021)
This work solves the comparison of two different thermal stress times for selected liquid insulation materials based on transformer oils by impedance spectroscopy. Research is focused on actual and progressive liquid insulation materials. The scienti
Publikováno v:
2022 IEEE 5th International Conference and Workshop Óbuda on Electrical and Power Engineering (CANDO-EPE).
Autor:
Peter Havran, Roman Cimbala, Jozef Király, Michal Rajňák, Samuel Bucko, Juraj Kurimský, Bystrík Dolník
Publikováno v:
Processes; Volume 10; Issue 11; Pages: 2405
Improving the dielectric properties of liquid-insulating materials is a current problem in research into the insulation system of a power transformer. Modern optimization of insulating liquids involves the potential use of unique synthetic esters enr
Autor:
Roman Cimbala, Peter Havran, Jozef Király, Michal Rajňák, Juraj Kurimský, Miloš Šárpataky, Bystrík Dolník, Katarína Paulovičová
Publikováno v:
Journal of Molecular Liquids. 359:119338
Autor:
Juraj Kurimský, I.M. Rajňák, Martin German-Sobek, Jozef Király, Roman Cimbala, P. Kopčanský, L. Tomčo, Milan Timko, Iraida Kolcunová, K. Marton
Publikováno v:
Journal of Electrostatics. 71:467-470
This article describes influence of strong (ionizing) electric field on sprayability of magnetic fluid containing colloid particles with size in the range from 10 to 20 nm of magnetite Fe 3 O 4 . Magnetic fluids can be based for example on both trans
Publikováno v:
Proceedings of the 2014 15th International Scientific Conference on Electric Power Engineering (EPE).
The article deals with thermal ageing of transformer oil based ferrofluid at initial stage of ageing. Influence of ageing in this article observes changes caused by polarization current, which triggers structural changes in liquid insulation. Except