Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Maciej Kuniewski"'
Publikováno v:
Energies, Vol 17, Iss 5, p 1095 (2024)
This work presents the results of research on submicro- and nanocomposites with gradient properties, produced in a planned electrophoretic process. Epoxy-resin-based samples were filled with TiO2 particles of three different sizes (13 nm, 38 nm, and
Externí odkaz:
https://doaj.org/article/7844005bb4dd413fbd466508f4b7e6f1
Autor:
Marek Florkowski, Maciej Kuniewski
Publikováno v:
Energies, Vol 16, Iss 16, p 5973 (2023)
The endurance of medium- and high-voltage electrical insulation is a key reliability element in a broad spectrum of applications that cover transmission and distribution levels, the transportation segment, the industrial environment, and power electr
Externí odkaz:
https://doaj.org/article/48dc3a4ea53b445aa2a5b2c63bc323fd
Publikováno v:
High Voltage, Vol 6, Iss 4, Pp 576-589 (2021)
Abstract An investigation is made of the influence of an accumulated charge sprinkled on the surface of an epoxy resin plate in corona mode on partial discharge inception and its forms as analyzed by optical imaging at DC voltage. The effects of the
Externí odkaz:
https://doaj.org/article/6c18ee7ad9264c0abfa7cb42580cae50
Autor:
Robert Sekula, Kirsi Immonen, Sini Metsä-Kortelainen, Maciej Kuniewski, Paweł Zydroń, Tomi Kalpio
Publikováno v:
Polymers, Vol 15, Iss 11, p 2518 (2023)
Three-dimensional printing technology is constantly developing and has a wide range of applications; one application is electrical insulation, where the standard technology uses polymer-based filaments. Thermosetting materials (epoxy resins, liquid s
Externí odkaz:
https://doaj.org/article/a2336862765143bc8298493206793bb3
Autor:
Marek Florkowski, Maciej Kuniewski
Publikováno v:
Energies, Vol 16, Iss 8, p 3592 (2023)
The constant development of the electrical engineering sector, especially in the transmission of electrical energy under high-voltage direct current (HVDC), requires research on new insulation materials and investigations of physical phenomena under
Externí odkaz:
https://doaj.org/article/f61bfc9520744a408143422d43f1b835
Autor:
Marek Florkowski, Maciej Kuniewski
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 70, Iss 2 (2022)
High voltage DC insulation plays an important role, especially in power transmission systems (HVDC) but also increasingly on medium voltage levels (MVDC). The space charge behavior under DC voltage has great importance on electrical insulation reliab
Externí odkaz:
https://doaj.org/article/c72fbcefe7a74ce198a549f78e4b51b8
Publikováno v:
Energies, Vol 16, Iss 5, p 2091 (2023)
The paper presents the effects of gradual temperature curing on the dielectric properties of epoxy nanocomposite samples. Samples were prepared based on Class H epoxy resin filled with nano-alumina (Al2O3) for different wt% loadings (0.5 wt% to 5.0 w
Externí odkaz:
https://doaj.org/article/725f594d4f664aa5901fc0590899845e
Publikováno v:
Energies, Vol 15, Iss 7, p 2510 (2022)
This paper presents the methodology for phase-resolved partial discharge measurements in HVDC systems with a DC voltage containing trace AC harmonics or a DC voltage ripple. The measurement result of partial discharges is an indicator of the current
Externí odkaz:
https://doaj.org/article/71a5e288faea4df596482c1b8d6f5131
Autor:
Marek Florkowski, Maciej Kuniewski
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 29:2199-2208
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c94b14644a89245cd660c1b177c81dc1
https://doi.org/10.1109/tdei.2022.3203370
https://doi.org/10.1109/tdei.2022.3203370
Publikováno v:
Energies, Vol 14, Iss 11, p 3047 (2021)
This paper reports on the propagation of lightning overvoltage in a high-voltage direct current (HVDC) meshed grid. Since several topologies of meshed grids have been elaborated in the last decade, we used a common comprehensive reference test platfo
Externí odkaz:
https://doaj.org/article/cbcecea469984bc1945a26bdb70e7953