NDLI: Improved torque capability through overmodulation for Direct Torque Control hysteresis-based induction machines

Content Provider	IEEE Xplore Digital Library
Author	Jidin, A. Idris, N.R.N. Yatim, A.H.M.
Copyright Year	2008
Description	Author affiliation: Dept. of Energy Conversion, Univ. Teknol. Malaysia, Skudai (Jidin, A.; Idris, N.R.N.; Yatim, A.H.M.)
Abstract	This paper presents a simple overmodulation method employed in direct torque control (DTC) hysteresis-based structure. The overmodulation method is utilized to obtain higher torque capability for a wider range of speed operation. The proposed overmodulation strategy is based on the control of stator flux vector. It is shown that the switching pattern of the voltage vector in the overmodulation mode can be established by changing the stator flux locus from circular to the hexagonal shape. The main benefit in the proposed strategy is its simplicity and it can be well-implemented in many electric drive applications to obtain maximum torque capability for a wider speed range operation.
Starting Page	1
Ending Page	6
File Size	534761
Page Count	6
File Format	PDF
ISBN	9780733427152
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-14
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Univ of New South Wales
Subject Keyword	Turing machines Torque control Hysteresis motors Energy conversion Stators Angular velocity Induction machines Voltage control Equations Space stations
Content Type	Text
Resource Type	Article

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Improved torque capability through overmodulation for Direct Torque Control hysteresis-based induction machines