NDLI: A high performance dynamometer for drive systems testing

Content Provider	IEEE Xplore Digital Library
Author	Sousa, G.C.D. Errera, D.R.
Copyright Year	1997
Description	Author affiliation: Dept. of Electr. Eng., Univ. Federal de Espirito Santo, Vitoria, Brazil (Sousa, G.C.D.)
Abstract	A dynamic dynamometer and its attendant man-machine interface, designed to facilitate the development and testing of adjustable speed drive systems, is presented in this work. It is based on a vector-controlled induction motor drive supplied from the AC mains through a double PWM converter that provides desirable features such as bi-directional power flow, near unity power factor and low harmonic factor at the AC mains. The proposed system estimates torque from machine terminal voltages and currents, thus eliminating the load cell and special mechanical construction, and allowing a standard induction machine to be employed, with conventional machine coupling. Several commonly used load torque profiles, both static and dynamic, can be emulated by the dynamometer. A theoretical analysis is first presented, followed by a detailed simulation study to assess the torque estimation sensitivity to parameter variation as well as the overall system performance under dynamic conditions.
Starting Page	500
Ending Page	504
File Size	437756
Page Count	5
File Format	PDF
ISBN	0780339320
DOI	10.1109/IECON.1997.671784
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-11-14
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System testing Torque User interfaces Variable speed drives Induction motor drives Pulse width modulation converters Bidirectional control Load flow Reactive power Power system harmonics
Content Type	Text
Resource Type	Article

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