International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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Review Papers | Electrical Engineering | India | Volume 5 Issue 11, November 2016


Study to Improve the Performance of a PMSM Drive System by Achieving More Precise Speed Tracking and Smooth Torque Response

Rajendra Murmu | A. K. Singh [5]


Abstract: From the last three decades AC machine drives are becoming more and more popular, especially Induction Motor Drives (IMD) and Permanent Magnet Synchronous Motor (PMSM), but with some special features, the PMSM drives are ready to meet sophisticated requirements such as fast dynamic response, high power factor, and wide operating speed range like high performance applications, as a result, a gradual gain in the use of PMSM drives will surely be witness in the future market in low, mid and high power applications. Now in a permanent magnet synchronous machine, the dc field winding of the rotor is replaced by a permanent magnet to produce the air-gap magnetic field. Having the magnets on the rotor, some electrical losses due to field winding of the machine get reduced and the absence of the field losses improves the thermal characteristics of the PM machines particularly its efficiency. Also absence of mechanical components such as brushes and slip rings makes the motor lighter, high power-weight ratio which assures a higher efficiency and reliability. With the advantages described above, permanent magnet synchronous generator is an attractive solution for wind turbine applications also. From the research over PMSM until now it shows that, in future market PMSM drive could become an emerging competitor for the Induction motor drive in servo application and many industrial applications. So now there will be great challenge to improve the performance with accurate speed tracking and smooth torque output minimizing its ripple during transient as well as steady state condition such that it can meet the expectation of future market demand.


Keywords: Induction Motor Drives, Permanent Magnet Synchronous Motor, dynamic response, power factor, efficiency, reliability


Edition: Volume 5 Issue 11, November 2016,


Pages: 955 - 958


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