Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Marek SZROT"'
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:
Marek Szrot
Publikováno v:
WIADOMOŚCI ELEKTROTECHNICZNE. 1:34-36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84cf9ffaea85e191576fa85026faa788
https://doi.org/10.15199/74.2022.11.7
https://doi.org/10.15199/74.2022.11.7
Publikováno v:
Transformers Magazine
Volume 8
Issue 2
Volume 8
Issue 2
This paper presents the TrafoGrade system, developed by Energo-Complex Ltd. The main purpose of this tool is to aid a decision-making process regarding the operation of power transformers. The system consists of four modules, the most important being
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______951::a7cc6e1d7926798d343590a7d3d4a257
https://hrcak.srce.hr/256533
https://hrcak.srce.hr/256533
Publikováno v:
Transformers Magazine
Volume 7
Issue 3
Volume 7
Issue 3
The paper presents technical and economic aspects of modernisation of transformers carried out on site. The decision-making process regarding the repairs or modernisation of transformers that have already exceeded their planned lifetime was analysed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______951::ded11d1e797d7fb3d293f7d5ab81e6c1
https://hrcak.srce.hr/file/352107
https://hrcak.srce.hr/file/352107
Publikováno v:
Transformers Magazine
Volume 7
Issue 4
Volume 7
Issue 4
The article presents a health index calculation method based on easily obtainable periodical oil condition data. The algorithm is tested on a population of 96 transformers working in the Polish power grid. The outcomes are compared with the expert an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______951::b5de969b063e79a23b069a268a0b0d97
https://hrcak.srce.hr/246591
https://hrcak.srce.hr/246591
Autor:
Marek Szrot, Jozef Jurcik, Miroslav Gutten, Jan Subocz, Konrad Kierczynski, Paweł Żukowski, Milan Sebok, Tomasz N. Koltunowicz
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 22:2156-2164
The paper presents research results of testing AC conductivity in a moist oilimpregnated electric insulation pressboard, depending on the moisture content level and temperature of the samples. A new method has been elaborated for converting experimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::564a2c37ffeb691d0dc48b3aa6220b17
https://doi.org/10.1109/tdei.2015.004606
https://doi.org/10.1109/tdei.2015.004606
Autor:
Miroslav Gutten, Jan Subocz, Tomasz N. Ko¿tunowicz, Pawe¿ ¿ukowski, Marek Szrot, Konrad Kierczy¿ski
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 21:1268-1275
The paper presents results of investigations of the effect of moisture content and temperature on DC conductivity of the impregnated pressboard. It has been found that the conductivity of the impregnated pressboard is a function of activation energy,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f1bc03f1e59618107f1317600acd051
https://doi.org/10.1109/tdei.2014.6832274
https://doi.org/10.1109/tdei.2014.6832274
Autor:
Milan Sebok, Tomasz N. Koltunowicz, Konrad Kierczynski, Jan Subocz, Pawel Zukowski, Marek Szrot
Publikováno v:
2014 ELEKTRO.
The article presents the results of research based on the DC electrical conductivity of wet paper depending on the moisture content and temperature of the samples. The change of moisture content does not change the activation energy of conductivity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3632de6b0e04f69faa62d14d63ffb9a
https://doi.org/10.1109/elektro.2014.6848920
https://doi.org/10.1109/elektro.2014.6848920