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FE analysis of current displacement phenomena in a squirrel cage motor working at cryogenic temperature

Mariusz Barański
Archives of Electrical Engineering | 2014 | vol. 63 | No 2 June | 139-147 | DOI: 10.2478/aee-2014-0011
Keywords FE analysis of submerged induction motor cryogenic temperature coupled electromagnetic-thermal phenomena current displacement
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Abstract

The paper presents the special software for transient FE analysis of coupled electromagnetic-thermal problems in a squirrel cage submerged motor working at cryogenic temperature. A time-stepping finite element method and transients analysis of an induction motor has been applied. The non-linearity of the magnetic circuit, the movement of the rotor, skewed slots, and the influence of temperature on electric and thermal properties of the materials has been taken into account. Developed on the basis of presented algorithm a computer program used to analyze the phenomenon of current displacement in the rotor bars of high-voltage cage induction motor working in cryogenic conditions. The results of the simulations are presented.

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Authors and Affiliations

Mariusz Barański

Numerical analysis of hysteresis loss in pulse transformer

Wiesław Łyskawiński Piotr Sujka Wojciech Szeląg Mariusz Barański
Archives of Electrical Engineering | 2011 | vol. 60 | No 2 June | 187-195 | DOI: 10.2478/v10171-011-0018-3
Keywords hysteresis loss pulse transformer coupled electromagnetic-thermal phenomena Jiles-Atherton model
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Abstract

In the paper, the mathematical model of coupled electromagnetic and thermal phenomena in the pulse transformer taking into account the magnetic hysteresis is presented. For the mapping of magnetic hysteresis, Jiles-Atherton model is applied. In order to solve field equations, the finite element method (FEM), "step-by-step" procedure and Newton-Raphson algorithm are used. Software elaborated on this basis is used for analysis of hysteresis loss in the core. Selected results of investigations are shown.
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Authors and Affiliations

Wiesław Łyskawiński
Piotr Sujka
Wojciech Szeląg
Mariusz Barański

Comparative analysis of the power parameters of a line start permanent magnet synchronous motor using professional FEM packages and in-house software

Mariusz Barański
Archives of Electrical Engineering | 2023 | vol. 72 | No 3 | 585-596 | DOI: 10.24425/aee.2023.146038
Keywords FEA in-house software measurement verification professional FEM packages
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Abstract

The paper discusses the methods for calculating the power parameters of a line start permanent magnet synchronous motor (LSPMSM). The calculations have been performed using the author’s specialized FEM software and professional FEM packages, ANSYS Maxwell and COMSOL Multiphysics. The author’s algorithm for solving equations of the electromagnetic field based on the FEM has been presented. The in-house software developed on this algorithm and professional software have been used to analyse the power parameters of the LSPMS motor. In addition, both calculation time and accuracy were analysed. The calculation results were compared to the measurement results.
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Authors and Affiliations

Mariusz Barański
1
ORCID: ORCID
  1. Institute of Electrical Engineering and Electronics, Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, Piotrowo 3A, 60-965 Poznan

An analysis of a start-up process in LSPMSMs with aluminum and copper rotor bars considering the coupling of electromagnetic and thermal phenomena

Mariusz Baranski Wojciech Szelag Wieslaw Lyskawinski
Archives of Electrical Engineering | 2019 | vol. 68 | No 4 | 933-946 | DOI: 10.24425/aee.2019.130693
Keywords aluminum and copper cage coupled electromagnetic-thermal phenomena FE model of LSPMSM measurement verification start-up process
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Abstract

The paper presents an FE model of coupled electromagnetic and thermal phenomena in Line Start Permanent Magnet Synchronous Motors (LSPMSMs). An algorithm for solving equations of a discrete model using the FEM has been presented. On the basis of this algorithm the author’s personally developed software for the analysis of coupled electromagnetic-thermal phenomena in the LSPMS motors was elaborated. This software was used to analyze the start-up process of motors with identical stator and rotor magnetic circuits and different materials of the starting cage. The start-up process of motors with the squirrel-cage made of aluminum and copper was considered. The influence of temperature on the start-up process has been taken into account. The results of simulation tests were compared with the results of measurements.

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Authors and Affiliations

Mariusz Baranski
Wojciech Szelag
Wieslaw Lyskawinski

Automated test bench for research on electrostatic separation in plastic recycling application

Roman Regulski Dorota Czarnecka-Komorowska Cezary Jędryczka Dariusz Sędziak Dominik Rybarczyk Krzysztof Netter Mariusz Barański Mateusz Barczewski
Bulletin of the Polish Academy of Sciences Technical Sciences | 2021 | 69 | 2 | e136719 | DOI: 10.24425/bpasts.2021.136719
Keywords recycling automotive plastics waste separation electrostatic separator
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Abstract

Many researchers in the developed countries have been intensively seeking effective methods of plastic recycling over the past years. Those techniques are necessary to protect our natural environment and save non-renewable resources. This paper presents the concept of an electrostatic separator designed as a test bench dedicated to the separation of mixed plastic waste from the automotive industry. According to the current policy of the European Union on the recycling process of the automotive industry, all these waste materials must be recycled further for re-entering into the life cycle (according to the circular economy). In this paper, the proposed concept and design of the test bench were offered the feasibility to conduct research and technological tests of the electrostatic separation process of mixed plastics. The designed test bench facilitated assessing the impact of positions of high-voltage electrodes, the value and polarity of the high voltage, the variable speed of feeders and drums, and also triboelectrification parameters (like time and intensity) on the process, among others. A specialized computer vision system has been proposed and developed to enable quick and reliable evaluation of the impact of process parameters on the efficiency of electrostatic separation. The preliminary results of the conducted tests indicated that the proposed innovative design of the research stand ensures high research potential, thanks to the high accuracy of mixed plastics in a short time. The results showed the significant impact of the corona electrode position and the value of the applied voltage on the separation process effectiveness. It can be concluded that the results confirmed the ability to determine optimally the values of the studied parameters, in terms of plastic separation effectiveness. This study showed that this concept of an electrostatic separator designed as a test bench dedicated for separation of mixed plastic waste can be widely applied in the recycling plastic industry.
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Authors and Affiliations

Roman Regulski
1
ORCID: ORCID
Dorota Czarnecka-Komorowska
2
ORCID: ORCID
Cezary Jędryczka
3
ORCID: ORCID
Dariusz Sędziak
1
ORCID: ORCID
Dominik Rybarczyk
1
ORCID: ORCID
Krzysztof Netter
1
ORCID: ORCID
Mariusz Barański
3
ORCID: ORCID
Mateusz Barczewski
2
ORCID: ORCID
  1. Institute of Mechanical Technology, Poznan University of Technology, 60-965 Poznań, Poland
  2. Institute of Materials Technology, Poznan University of Technology, 60-965 Poznań, Poland
  3. Institute of Electrical Engineering and Electronics, Poznan University of Technology, 60-965 Poznań, Poland

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