Analysis of a surface PM machine with pole shaping and dummy slots

A two-dimensional (2-D) analytical model is proposed for surface-mounted permanent magnet (SPM) machines to predict the flux density, Back-Electro Motive Force (Back-EMF), cogging torque and electromagnetive torque. In this work, virtual current (VC) analytical method is used based on the solution o...

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Veröffentlicht in:	Electrical engineering 2022, Vol.104 (4), p.2407-2415
Hauptverfasser:	Arab Markadeh, G. R., Faradonbeh, V. Z.
Format:	Artikel
Sprache:	eng
Schlagworte:	Economics and Management Electrical Engineering Electrical Machines and Networks Energy Policy Engineering Finite element method Flux density Magnetic flux Mathematical analysis Mathematical models Original Paper Permanent magnets Power Electronics Torque Two dimensional analysis Two dimensional models
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Beschreibung
Zusammenfassung:	A two-dimensional (2-D) analytical model is proposed for surface-mounted permanent magnet (SPM) machines to predict the flux density, Back-Electro Motive Force (Back-EMF), cogging torque and electromagnetive torque. In this work, virtual current (VC) analytical method is used based on the solution of the Poissons’s equation. The VC sheets are used for modeled the stator teeth effect. An analytical model is provided to predict the magnetic flux density (due to armature currents and PM) for slotted optimum SPM machines with the loaf-shaped PM and dummy slots. Finally, the validity of the proposed method is verified by finite element analysis (FEA) and experimental results.
ISSN:	0948-7921 1432-0487
DOI:	10.1007/s00202-021-01477-1