Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Andrzej Szafraniec"'
Publikováno v:
Energies, Vol 17, Iss 21, p 5365 (2024)
This paper presents a mathematical model of a typical lumped-parameter electromagnetic assembly, which consists of two subassemblies: one includes a magnetic circuit and the other with selected elements of electric circuits. An interdisciplinary rese
Externí odkaz:
https://doaj.org/article/d6a6625f940c466796f20722298c4c81
Autor:
Roman Musii, Marek Lis, Petro Pukach, Andriy Chaban, Andrzej Szafraniec, Myroslava Vovk, Nataliia Melnyk
Publikováno v:
Energies, Vol 17, Iss 2, p 366 (2024)
Transition processes in a steel conductive strip are analyzed during its induction heating under a quasi-steady electromagnetic field. In particular, the temperature field in the strip is studied. A method of solving corresponding initial boundary pr
Externí odkaz:
https://doaj.org/article/f6df8a2b354e4e38bc3cfd687178bbab
Publikováno v:
Energies, Vol 16, Iss 23, p 7870 (2023)
The article presents an analysis of electromagnetic transient processes in long ultra-high voltage transmission lines, taking into account shield wires. It was shown that EMTP and Matlab/Simulink software are currently widely used in the study of tra
Externí odkaz:
https://doaj.org/article/21949d91022d4af1a384ecf3d6065517
Publikováno v:
Energies, Vol 15, Iss 21, p 8255 (2022)
This paper presents a mathematical model of an electric power system which consists of a three-phase power line with distributed parameters and an equivalent, unbalanced RLC load cooperating with the line. The above model was developed on the basis o
Externí odkaz:
https://doaj.org/article/83887e3559bf4094bddb163863eedd7b
Publikováno v:
Energies, Vol 15, Iss 3, p 1126 (2022)
Field approaches are employed to develop a mathematical model of a power network section. The facility consists of two electric power subsystems described with ordinary differential equations and presented as concentrated parameter systems connected
Externí odkaz:
https://doaj.org/article/ea43cc2322284ccca203a832ca5f1cf6
Publikováno v:
Energies, Vol 15, Iss 3, p 811 (2022)
A mathematical model is developed of the master circuit of an electric driver system including a power transformer and susceptible motion transmission of asynchronous and synchronous drives. Electric motors drive water pumps by means of motion transm
Externí odkaz:
https://doaj.org/article/c17020217ddf4d5c9c1e79523acd0a69
Publikováno v:
Energies, Vol 14, Iss 23, p 7882 (2021)
The electromechanical systems under analysis include electric drives, working machines that perform specific tasks in the technological process, and working mechanisms that transmit mechanical power between the electric drive and the working machine.
Externí odkaz:
https://doaj.org/article/5233fdfaac20417d9286af8830705f40
Publikováno v:
Energies, Vol 14, Iss 18, p 5692 (2021)
Beginning with the classic methods, a mathematical model of an electromechanical system is developed that consists of a deep bar cage induction motor that, via a complex motion transmission with distributed mechanical parameters, drives a working mac
Externí odkaz:
https://doaj.org/article/a6bd353d2ad045e3b6aae76e0652e584
Publikováno v:
Energies, Vol 14, Iss 7, p 1854 (2021)
Based on the general theory of fractional order derivatives and integrals, application of the Caputo–Fabrizio operator is analyzed to improve a mathematical model of a two-mass system with a long shaft and concentrated parameters. Thus, the real tr
Externí odkaz:
https://doaj.org/article/dd75d538a6bf4b7e98382e401475cedc
Publikováno v:
Energies, Vol 14, Iss 1, p 115 (2020)
Genetic algorithms are used to parameter identification of the model of oscillatory processes in complicated motion transmission of electric drives containing long elastic shafts as systems of distributed mechanical parameters. Shaft equations are ge
Externí odkaz:
https://doaj.org/article/d7488cae183347a9b11e76d7491b6c2d