Development and Analysis of Six-Phase Synchronous Reluctance Motor for Increased Fault Tolerance Capabilities

Cezary Jedryczka (), Michal Mysinski and Wojciech Szelag
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Cezary Jedryczka: Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, pl. Marii Sklodowskiej-Curie 5, 60-965 Poznan, Poland
Michal Mysinski: Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, pl. Marii Sklodowskiej-Curie 5, 60-965 Poznan, Poland
Wojciech Szelag: Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, pl. Marii Sklodowskiej-Curie 5, 60-965 Poznan, Poland

Energies, 2024, vol. 17, issue 10, 1-18

Abstract: This paper contains research on the development of a fault-tolerant six-phase synchronous reluctance motor (SynRM) based on the stator adopted from a general-purpose three-phase induction motor. In the design and calculation process, an extended Clarke transformation was developed for a six-phase asymmetrical system. To verify the proposed design approach, a field–circuit model of electromagnetic phenomena in the studied motor was developed and used to study the motor performance. The increased torque value and reduction in torque ripples were confirmed by comparison to the classical three-phase SynRM design. To illustrate fault tolerance capabilities, the operation of the studied three- and six-phase synchronous reluctance motors under inverter-fault conditions was examined. The conducted analysis shows, among other things, that from the electromagnetic performance point of view, only the proposed six-phase machine is able to properly operate under inverter-fault conditions. The results of the winding design calculations, the performed simulations of six-phase motor operation, and the preliminary tests of the prototype motor are presented and discussed.

Keywords: six-phase; finite element method; inverter-fault conditions; synchronous reluctance motor; design; analysis; multi-phase; radial forces (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: 2024
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