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http://dx.doi.org/10.6113/TKPE.2019.24.2.127

Restarting Method for EEMF Based Sensorless Permanent Magnet Synchronous Motor Drive Systems  

Lee, Young-Jae (Dept. of Electrical & Computer Engineering, Ajou Univ.)
Bak, Yeongsu (Dept. of Electrical & Computer Engineering, Ajou Univ.)
Lee, Kyo-Beum (Dept. of Electrical & Computer Engineering, Ajou Univ.)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.24, no.2, 2019 , pp. 127-133 More about this Journal
Abstract
This paper proposes a restarting method for extended electromotive force (EEMF)-based sensorless permanent magnet synchronous motor (PMSM) drive systems. The sensorless PMSM drive systems generally estimate the rotor speed and angle based on EEMF. However, if the inverter is stopped while the PMSM is rotating, the initial rotor speed and angle are required for restart. Therefore, the proposed restarting method estimates the initial rotor speed and angle using the short-circuit current generated by applying zero voltage vector from the inverter. The validity of the proposed method is verified by simulation and experimental results.
Keywords
PMSM(Permanent Magnet Synchronous Motor); Restarting method; Sensorless control; Rotor speed estimation; Rotor angle estimation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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