Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Marek, Zenker"'
Autor:
Pawel Zukowski, Konrad Kierczynski, Przemyslaw Rogalski, Pawel Okal, Marek Zenker, Rafal Pajak, Marek Szrot, Pawel Molenda, Tomasz N. Koltunowicz
Publikováno v:
Energies, Vol 17, Iss 20, p 5164 (2024)
The study determines the frequency–temperature dependence of the conductivity of a moist solid insulation component of power transformers, impregnated with the innovative bio-oil NYTRO® BIO 300X, manufactured from plant-based raw materials. The re
Externí odkaz:
https://doaj.org/article/15837f296156418bac73a5a7446d7861
Autor:
Pawel Zukowski, Konrad Kierczynski, Przemyslaw Rogalski, Vitalii Bondariev, Marek Zenker, Rafal Pajak, Marek Szrot, Pawel Molenda, Tomasz N. Koltunowicz
Publikováno v:
Energies, Vol 17, Iss 8, p 1952 (2024)
This paper presents the results of the study of the direct current (DC) and alternating current (AC) electrical properties of an electrical pressboard–bio-insulating oil–water composite in a wide range of water content and temperatures used in el
Externí odkaz:
https://doaj.org/article/b0e223afb37643888d1bb3f21f96450e
Autor:
Pawel Zukowski, Konrad Kierczynski, Paweł Okal, Przemyslaw Rogalski, Marek Zenker, Rafal Pajak, Pawel Molenda, Marek Szrot, Tomasz N. Koltunowicz
Publikováno v:
Energies, Vol 16, Iss 23, p 7880 (2023)
In this study, the temperature–frequency dependencies of the pressboard–bio-oil–water nanoparticle composite’s fundamental parameters—phase shift angle and admittance—were examined using the Frequency Domain Spectroscopy method. Measureme
Externí odkaz:
https://doaj.org/article/62efd2ca444d4355af301d557f416a1c
Autor:
Pawel Zukowski, Przemyslaw Rogalski, Tomasz N. Kołtunowicz, Konrad Kierczynski, Marek Zenker, Alexander D. Pogrebnjak, Matej Kucera
Publikováno v:
Energies, Vol 15, Iss 8, p 2859 (2022)
In this study, the conductivity and permittivity of electrical pressboard—insulating liquid—water composites were investigated, and the electrical properties of the composites and water were analysed comparatively. Mineral oil and synthetic ester
Externí odkaz:
https://doaj.org/article/0ea4a8a76aea4cd8a491430719123e5f
Autor:
Marek Zenker
Publikováno v:
PRZEGLĄD ELEKTROTECHNICZNY. 1:227-230
Autor:
Pawel Zukowski, Przemyslaw Rogalski, Tomasz N. Koltunowicz, Konrad Kierczynski, Jan Subocz, Marek Zenker
Publikováno v:
Energies, Vol 13, Iss 20, p 5511 (2020)
This study investigates the frequency–temperature relations between the phase angle φ and admittance Y for composites of cellulose, synthetic ester, and water nanoparticles. We determined the activation energy value for the relaxation time of a ph
Externí odkaz:
https://doaj.org/article/a0e1f5e4e5914a6383098ba0cf56091e
Publikováno v:
Energies, Vol 13, Iss 4, p 853 (2020)
This paper presents the dielectric response of the insulation of bushings as an effect of the simulated long-term aging process. The experiment was conducted under a condition of a high temperature difference between the current circuit and the cover
Externí odkaz:
https://doaj.org/article/05aa0b128534492ca5b27bec3cb891c9
Autor:
Leszek Resner, Pawel Lesiak, Iman Taraghi, Agnieszka Kochmanska, Pawel Figiel, Elzbieta Piesowicz, Marek Zenker, Sandra Paszkiewicz
Publikováno v:
Polymers; Volume 14; Issue 17; Pages: 3444
Cross-linked polyethylene (XLPE) is one of the most popular insulation materials used in the production of medium and high voltage cables (MV, HV). This article presents the results of research carried out on two types of commercially used insulation
Publikováno v:
2022 ELEKTRO (ELEKTRO).
Publikováno v:
2022 ELEKTRO (ELEKTRO).