Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Radoslaw Jez"'
Autor:
Radoslaw Jez, Michal Lazarczyk, Jakub Ejma-Multanski, Ryszard Kowalik, Marcin Januszewski, Karol Kurek, Lukasz Nogal, Radosław Szreder, Marcin Szewczyk
Publikováno v:
Energies, Vol 17, Iss 15, p 3825 (2024)
The deployment of Electrically Trace Heated Pipe-in-Pipe (ETH-PiP) brings the challenges of reliable protection selection and setting. This paper presents a study of relays and protection function optimization for ETH-PiP systems. The study is based
Externí odkaz:
https://doaj.org/article/ca3de71c1be04a0eb9f414d8f8106cbb
Publikováno v:
IEEE Transactions on Power Delivery. 35:2591-2597
This article presents a measurement system enabling very low DC current detection/measurement over imposed on high AC current. The presented idea was realized and verified with laboratory measurements. The described DC current measurement system allo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a91c846bfd8c6af278a4dfd0c3dae3a
https://doi.org/10.1109/tpwrd.2020.2973038
https://doi.org/10.1109/tpwrd.2020.2973038
Autor:
Radoslaw Jez, Ragnar Eretveit, Michal Lazarczyk, Jakub Ejma-Multanski, Romain Vivet, Michal Liszka
Publikováno v:
Day 4 Thu, May 05, 2022.
Subsea oil and gas production can utilize a number of technical solutions to ensure efficient and cost- effective operation. There are two main technologies applied to address flow assurance challenges in case of particularly long tieback reservoirs:
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::538f0cb253f130ccf82bae2461cb3a61
https://doi.org/10.4043/32001-ms
https://doi.org/10.4043/32001-ms
Autor:
Radoslaw Jez, Michal Lazarczyk
Publikováno v:
2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS).
Oil & Gas industry is a major consumer of electrical power. Its focus on subsea oil fields development lead to emerging of new types of electrical loads and new design approaches. One of such technologies is Electrically Trace Heated Pipe-in-Pipe (ET
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7691bb8ce788b06dfe8a6671baac0a32
https://doi.org/10.1109/icps51807.2021.9416611
https://doi.org/10.1109/icps51807.2021.9416611
Publikováno v:
Day 2 Tue, May 05, 2020.
Active heating technologies can be applied to subsea pipelines to tackle challenging reservoir flow assurance constraints that could take place during production shut down and normal subsea field operation (i.e. hydrate, gelling, wax and/or high oil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f8defcef10000275effbde59e4c8e07
https://doi.org/10.4043/30650-ms
https://doi.org/10.4043/30650-ms
Autor:
Radoslaw Jez
Publikováno v:
IEEE Transactions on Magnetics. 53:1-5
Air gaps are often used in a design of power inductors. Different arrangements of air gap in a magnetic circuit influence the parameters of an inductor. Understanding this dependence allows a design of more efficient inductors. In this paper, the inf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::244e33ed7adc10e82b2d1422074e8b96
https://doi.org/10.1109/tmag.2017.2699120
https://doi.org/10.1109/tmag.2017.2699120
Publikováno v:
2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe).
Three-phase inductors are crucial components for power electronic devices. The most typical measurement process of such inductors bases on three-phase power supply, but it causes many difficulties, especially in industrial or manufacturing tests. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf5bd02e0ab15fc0e5f7bde8a465079c
https://doi.org/10.23919/epe17ecceeurope.2017.8099286
https://doi.org/10.23919/epe17ecceeurope.2017.8099286
Publikováno v:
2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe).
Modular Multilevel Converter (MMC) topology is an interesting solution for number of medium and high voltage applications. Key advantages over another multilevel topologies include flexibility of scaling in voltage and simple implementation of redund
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c21f69077271aeda065ff8e2262e1f9e
https://doi.org/10.23919/epe17ecceeurope.2017.8098932
https://doi.org/10.23919/epe17ecceeurope.2017.8098932
Publikováno v:
Energies, Vol 14, Iss 9, p 2542 (2021)
(1) The generation of nanobubbles by electrolysis is an interesting method of using electrical energy to form bubble nuclei, effectively creating a multiphase system. For every process, the effectiveness of nanobubble generation by electrolysis depen
Externí odkaz:
https://doaj.org/article/3198d5941f4a4326879e63a3cd8a1343
EDUCATION VS. ECONOMICALLY ACTIVE AND INACTIVE INDIVIDUALS ON THE LABOR MARKET IN EUROPEAN COUNTRIES
Autor:
Radosław JEŻ
Publikováno v:
Economy and Sociology, Iss 2, Pp 19-23 (2015)
In recent years, education has become a key factor and determinant of labor market situation. The education system should therefore be correlated with labor market needs reported by employers. The main task the universities are facing with is the abi
Externí odkaz:
https://doaj.org/article/1c643c28a279419ea7fefd17de05d76d