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PIER PIER B PIER C PIER M PIER Letters
2012-09-16
Slot-Less Torus Solid-Rotor-Ringed Line-Start Axial-Flux Permanent-Magnet Motor
By
Amin Mahmoudi,

    Dr. Amin Mahmoudi

    Electrical Engineering Department

    University of Malaya

    Malaysia

    Homepage

Solmaz Kahourzade,

    Dr. Solmaz Kahourzade

    Faculty of Engineering

    University of Malaya

    Malaysia

    Homepage

Nasrudin Abd Rahim,

    Dr. Nasrudin Abd Rahim

    Univ Malaya

    Malaysia

    Homepage

Hew Wooi Ping,

    Dr. Hew Wooi Ping

    Department of Electrical Engineering

    University of Malaya

    Malaysia

    Homepage

Nima Farrokhzad Ershad

    Dr. Nima Farrokhzad Ershad

    Department of Electrical Engineering

    Sari Branch, Islamic Azad University

    Iran

    Homepage

Progress In Electromagnetics Research, Vol. 131, 331-355, 2012
doi:10.2528/PIER12070308
Abstract
This paper presents the design, analysis, and prototyping of a novel axial-flux permanent-magnet (AFPM) motor capable of auto-starting. The preliminary design is a slot-less double-sided solid-rotor line-start AFPM motor with 4 poles for high torque density and stable rotation. One spaced raised ring was added to the inner radii of the rotor disc for smooth line-start motor. The design allows the motor to operate at both starting and synchronous speeds. The basic equations for the solid ring of the rotor of the proposed axial-flux permanent-magnet motor are presented. Non-symmetry of the designed motor led to its 3D time-stepping finite element analysis (FEA) via ANSYS 13.0, which evaluated the design parameters and predicted the transient performance. The designed motor was fabricated and tested, the experimental results showing good agreement with FEA simulation results. The prototype motor showed high starting torque and good synchronization.
Citation
Amin Mahmoudi, Solmaz Kahourzade, Nasrudin Abd Rahim, Hew Wooi Ping, and Nima Farrokhzad Ershad, "Slot-Less Torus Solid-Rotor-Ringed Line-Start Axial-Flux Permanent-Magnet Motor," Progress In Electromagnetics Research, Vol. 131, 331-355, 2012.
doi:10.2528/PIER12070308
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