Efficiency Analysis of Fractional KiloWatt Reluctance Motors with Various Frame Sizes, Taking into Account the Impact of the Punching Process

Zbigniew Gmyrek and Krzysztof Smółka
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Zbigniew Gmyrek: Institute of Mechatronic and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland
Krzysztof Smółka: Institute of Mechatronic and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland

Energies, 2020, vol. 13, issue 2, 1-11

Abstract: The need to reduce electricity consumption by electrical devices, including electric motors, is the reason for the development of new designs. Designers strive to improve operational parameters, including efficiency, using, for example, new types of magnetic materials, new types of stator windings, etc. Currently, in mass production, motor cores are made of punched laminations—punching causes damage of core parts. For motors of relatively large geometrical sizes, this effect is ignored during design. For motors having small dimensions, this negative effect results in a reduction in efficiency, which is mostly small for this type of motor. In this paper, the authors propose a new rapid algorithm based on simple measurements to determine the material characteristics of the damaged material part. Then, using them in the FEM models, they determine the efficiency of motors with various powers and frame sizes. On this basis, the conclusions are formulated, they may be helpful for motor designers.

Keywords: efficiency; numerical models; synchronous reluctance motor; magnetic materials; punching process (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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