NDLI: Unity Power Factor control of permanent magnet motor drive system

Content Provider	IEEE Xplore Digital Library
Author	Moussa, M.F. Helal, A. Gaber, Y. Youssef, H.A.
Copyright Year	2008
Description	Author affiliation: Arab Acad. for Sci. & Technol., Alexandria (Moussa, M.F.; Helal, A.; Gaber, Y.)
Abstract	The permanent magnet synchronous motors (PMSMs) have gained an increasing interest recently. The wide variety of applications of PMSM drives makes it necessary to achieve fast and reliable drive control system design. Vector control of PMSM can achieve fast dynamic response with less complexity and parameter-independent controller, prevent demagnetization of the motor and allow maximum efficiency operation. In this paper, a novel unity power factor (UPF) control drive for PMSMs is presented. The drive is performed with constraint on the (PF) such that its steady-state value is unity. This feature provides an extension of the constant torque region, resulting in higher output power of the PMSM drive, which is desirable in many applications requiring extended speed range at rated motor torque. However, this drive is not optimal in terms of efficiency which will be less than that obtained from conventional decoupled vector control drive for the same torque. Therefore, it is concluded that before reaching the rated speed, the conventional decoupled vector control is preferable, whereas, the UPF control is optimal to have a wider range of speed operation (above the base speed of the conventional vector control) and hence, extension of the constant torque region. Above this extended base speed, the PMSM drive can be operated in constant power mode using the conventional field-weakening technique having constant supply voltage and current. The drive system is built using MATLAB-SIMULINK software. The validity is evaluated in both steady-state condition and transient response using computer simulation.
Starting Page	360
Ending Page	367
File Size	1431359
Page Count	8
File Format	PDF
ISBN	9781424419333
DOI	10.1109/MEPCON.2008.4562309
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-12
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Torque permanent magnet synchronous motor (PMSM) Unity power factor (UPF) Control systems Permanent magnet motors Synchronous motors Steady-state Machine vector control oriented field control vector control Reactive power Power system reliability Demagnetization Power generation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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