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Comparison of the reluctance laminated and solid rotor synchronous machine operating at high temperatures

Marcin Lefik (Institute of Mechatronics and Information Systems, Technical University of Lodz, Lodz, Poland)
Krzysztof Komeza (Institute of Mechatronics and Information Systems, Technical University of Lodz, Lodz, Poland)
Ewa Napieralska-Juszczak (FSA, University Artois, Bethune, France)
Daniel Roger (LSEE, University d’Artois, Bethune, France)
Piotr Andrzej Napieralski (Institute of Information Technology, Lodz University of Technology, Lodz, Poland)

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering

ISSN: 0332-1649

Article publication date: 18 January 2019

Issue publication date: 14 August 2019

Abstract

Purpose

The purpose of this paper is to present a comparison between reluctance synchronous machine-enabling work at high internal temperature (HT° machine) with laminated and solid rotor.

Design/methodology/approach

To obtain heat sources for the thermal model, calculations of the electromagnetic field were made using the Opera 3D program including effect of rotation and the resulting eddy current losses. To analyse the thermal phenomenon, the 3D coupled thermal-fluid (CFD) model is used.

Findings

The presented results show clearly that laminated construction is much better from a point of view of efficiency and temperature. However, solid construction can be interesting for high speed machines due to their mechanical robustness.

Research limitations/implications

The main problem, despite the use of parallel calculations, is the long calculation time.

Practical implications

The obtained simulation and experimental results show the possibility of building a machine operating at a much higher ambient temperature than it was previously produced for example in the vicinity of the aircraft turbines.

Originality/value

The paper presents the application of fully three-dimensional coupled electromagnetic and thermal analysis of new machine constructions designed for elevated temperature.

Keywords

Citation

Lefik, M., Komeza, K., Napieralska-Juszczak, E., Roger, D. and Napieralski, P.A. (2019), "Comparison of the reluctance laminated and solid rotor synchronous machine operating at high temperatures", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 38 No. 4, pp. 1111-1119. https://doi.org/10.1108/COMPEL-10-2018-0405

Publisher

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Emerald Publishing Limited

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