NDLI: A zero speed operation sensorless PMSM drive without additional test signal injection

Content Provider	IEEE Xplore Digital Library
Author	Raute, R. Caruana, C. Cilia, J. Staines, C.S. Sumner, M.
Copyright Year	2007
Description	Author affiliation: Univ. of Malta, Msida (Raute, R.; Caruana, C.; Cilia, J.; Staines, C.S.)
Abstract	The inherent back EMF and the saliency of AC machines can be utilized to identify the rotor/flux position. A novel technique, which takes both of these effects into account is proposed in this paper. No additional test signals are injected into the machine and the difficulties in sensing the machine terminal voltage at low speed is eased. Only three standard current transducers are used in the drive system. For the position/speed estimator only the machine current derivative during the relatively long (at low speed) zero voltage vectors is used as feedback. Practical results show the operation of the drive at several torque and speed conditions including stand still.
Starting Page	1
Ending Page	10
File Size	441612
Page Count	10
File Format	PDF
ISBN	9789275815108
DOI	10.1109/EPE.2007.4417632
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-02
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	EPE Association
Subject Keyword	Permanent magnet motor Pulse Width Modulation (PWM) AC machines Rotors Sensorless control Pulse width modulation Inverters Equations Low voltage Variable speed drive Current measurement Vector control Stators Frequency Testing
Content Type	Text
Resource Type	Article

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A zero speed operation sensorless PMSM drive without additional test signal injection