Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Paweł Zydroń"'
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:
Paweł Mikrut, Paweł Zydroń
Publikováno v:
Energies, Vol 16, Iss 17, p 6374 (2023)
Power cables are one of the key components of fast-growing HVDC transmission systems. The long-term reliability of HVDC cables is closely related to the occurrence of partial discharges (PDs) in their insulation systems. The article analyzes the cond
Externí odkaz:
https://doaj.org/article/86365a99a5b941a4a9a5faff31ed6fee
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
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 20, p 7651 (2022)
The present paper describes the research on the mechanism of inrush current formation in a modern single-phase transformer, in which the insulation system must withstand the stresses arising during these transient states. A complete and measurement-v
Externí odkaz:
https://doaj.org/article/4a6561ee9a384b02872781501452bd8b
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
Publikováno v:
Energies, Vol 13, Iss 11, p 2676 (2020)
This paper describes a correlation of partial discharge phase-resolved patterns with an optical imaging performed in a non-uniform electric field configuration. The influence of different dielectric barrier materials, placed on the plane electrode, o
Externí odkaz:
https://doaj.org/article/8960556334d54e8fa04a9b21f56eadc5
Publikováno v:
Archives of Electrical Engineering, Vol vol. 67, Iss No 2 (2018)
Partial discharges (PD) are influencing electrical insulating systems of high voltage electrical devices. Typically, in laboratory and diagnostics AC tests focused on measuring and analysis of PD, a pure sinusoidal voltage waveform is assumed. Howeve
Externí odkaz:
https://doaj.org/article/085504bce60c44978d22b4786bb388c4