NDLI: A novel direct torque control system based on space vector PWM

Content Provider	IEEE Xplore Digital Library
Author	Zhu Longji Wang Rulin
Copyright Year	2004
Description	Author affiliation: Sch. of Mech., Electron. & Inf. Eng., China Univ. of Min. & Technol., Beijing, China (Zhu Longji; Wang Rulin)
Abstract	A novel direct torque control method is presented in this paper. The flux error and torque error produce a decoupled stator voltage reference vector by means of the PI regulator. The reference vector is converted to a voltage vector, which is based on stator coordinates reference frame from coordinates transformation. The switch control signal of the inverter is finally produced through space vector pulse width modulation of the preceding voltage vector. The novel control method has been applied to the variable-speed system of an asynchronous motor. It was easily realized in the form of digitization with DSP of TMS320FL2407, and has got low torque pulsation, less current harmonic, constant switch frequency with this control method. The experimental results indicate that the variable-speed control system has got both fine dynamic performance and high accuracy of the entire speed region.
Sponsorship	China Electrotechnical Soc. (CES) National Natural Sci. Found. of China (NSFC)
Starting Page	755
Ending Page	760
File Size	343654
Page Count	6
File Format	PDF
ISBN	7560518699
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Xi'an Jiaotong Univ. Press
Subject Keyword	Torque control Space vector pulse width modulation Switches Stators Control systems Regulators Voltage control Pulse width modulation inverters Digital signal processing Frequency
Content Type	Text
Resource Type	Article

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