NDLI: An extended and improved discrete space vector modulation direct torque control for induction motors

Content Provider	IEEE Xplore Digital Library
Author	Keyhani, H.R. Zolghadri, M.R. Homaifar, A.
Copyright Year	2004
Description	Author affiliation: Sch. of Electr. Eng., Sharif Univ. of Technol., Tehran, Iran (Keyhani, H.R.; Zolghadri, M.R.)
Abstract	In the classical DTC scheme, due to the limited number of the VSI voltage vectors, large and small errors can not be distinguished. In fact, the switching vectors chosen for large errors are the same as those chosen for small errors. In this paper, in order to overcome this problem, after considering the primary ideas of the DSVM-DTC technique, a new approach for the realization of the DSVM-DTC methodology of the induction machine is proposed. The proposed method, along with its simplicity, has an improved performance in terms of the torque and the current ripple and can be easily extended. In addition, it minimizes the steady state torque error. By using the proposed DSVM-DTC methodology, the six nonzero voltage vectors of the standard VSI topology are divided into equal fractions and a fraction of these vectors is applied to the motor depending on the amount of the torque error and in accordance with the classical DTC scheme basics. Numerical simulations and experimental tests have been carried out to validate the proposed technique.
Sponsorship	IEEE Power Electon. Soc
Starting Page	3414
Ending Page	3420
File Size	695191
Page Count	7
File Format	PDF
ISBN	0780383990
ISSN	02759306
DOI	10.1109/PESC.2004.1355078
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-20
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Torque control Induction motors Voltage Stators Space technology Pulse width modulation inverters Hysteresis motors Pulse width modulation Computer errors Induction machines
Content Type	Text
Resource Type	Article

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