Journal of Electromagnetic Analysis and Applications

Volume 4, Issue 1 (January 2012)

ISSN Print: 1942-0730   ISSN Online: 1942-0749

Google-based Impact Factor: 0.55  Citations  h5-index & Ranking

Analysis of Harmonic Current in Permanent Magnet Synchronous Motor and Its Effect on Motor Torque

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DOI: 10.4236/jemaa.2012.41003    10,127 Downloads   17,163 Views  Citations

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ABSTRACT

The inverter is used as the power supply of modern permanent magnet synchronous motor (PMSM). The inverter may produce harmonics in inversion process and form harmonic currents in motor stator winding which can lead to factors against motor smooth operation such as torque fluctuating and winding heating. This article focuses on the harmonic currents formed in the motor stator winding by getting the harmonics frequency spectrum with software. The effect of harmonic currents to motor torque is analyzed with the finite element method (FEM).

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X. Wang, W. Zhou and R. Dou, "Analysis of Harmonic Current in Permanent Magnet Synchronous Motor and Its Effect on Motor Torque," Journal of Electromagnetic Analysis and Applications, Vol. 4 No. 1, 2012, pp. 15-20. doi: 10.4236/jemaa.2012.41003.

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