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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2014-06-16
Analytical Prediction of Cogging Torque for Interior Permanent Magnet Synchronous Machines
By
Hooshang Mirahki,

    Dr. Hooshang Mirahki

    Department of Electrical and Computer Engineering

    Isfahan University of Technology

    Iran

    Homepage

Mehdi Moallem

    Professor Mehdi Moallem

    Department of Electrical and Computer Engineering

    Isfahan University of Technology

    Iran

    Homepage

Progress In Electromagnetics Research M, Vol. 37, 31-40, 2014
doi:10.2528/PIERM14042904 | Google Scholar

Abstract
In this paper, a combination of Lumped-Parameters Model, Quasi-Poisson's equations and Conformal Mapping methods is used for predicting radial and tangential air gap flux density of Interior Permanent Magnet Synchronous Machine for calculation of cogging torque. In the proposed method, Lumped Parameters Model is used for calculation of saturation and flux leakage. Quasi-Poisson's equation is used for forming radial and tangential flux density in slotless stator, and finally Conformal Mapping is used to account for slot effects. Using the results of this method, cogging torque waveform can be calculated using Maxwell stress tensor and virtual work methods. To validate the method, results are compared with Finite Element Method results for a candidate Interior Permanent Magnet Synchronous Machine.
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Citation
Hooshang Mirahki, and Mehdi Moallem, "Analytical Prediction of Cogging Torque for Interior Permanent Magnet Synchronous Machines," Progress In Electromagnetics Research M, Vol. 37, 31-40, 2014.
doi:10.2528/PIERM14042904
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