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Comparative electrical designs of radial- and axial-flux permanent magnet machines (AFPMs) under space limitation are described in this paper. The target machines are conventional radial-flux machines and axial-flux machines with a single stator between two rotors. An analytical equation for designing axial-flux machines is derived considering given dimensions. The torque densities are calculated...
This paper deals with a part of the French project TRAX, whose aim is to develop a generation of direct drive electric motorization for “all electric” vehicles. The two objectives of this project are: i) to design an innovative axial flux permanent magnet motor (AFPMM) and industrially feasible in series, ii) to use an analytical model (AM) based on reluctances networks (i.e., a Magnetic Equivalent...
This paper reviews the progress that has been made in the analysis and design of axial-flux permanent-magnet machines over the past decade, with particular attention to aspects such as electromagnetic and thermal modeling, materials, manufacturing, pulsating torque, and extended speed range. Comparisons with other machine types and applications are also reviewed.
An axial flux permanent magnet (AFPM) machine with dual rotors and single air-cored stator is studied in this paper. The machine is applied for vertical-shaft small power off-grid wind generating system. A 2-dimensional (2D) finite element analysis (FEA) method is proposed to approximately solve to the 3-dimensional (3D) magnetic field inside the AFPM machine. And a 2D analytical method is also presented...
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