A novel estimation of phase currents from DC link for permanent magnet AC motors
Date
2001
Authors
Ying, L.
Ertugrul, N.
Editors
Wong, L.
Advisors
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Conference paper
Citation
Proceedings of IEEE Region 10 International Conference on Electrical and Electronic Technology, 19-22 August, 2001, Singapore / Dapeng Tien, Yung C. Liang (eds.) : vol. 2, pp. 606-612
Statement of Responsibility
Ying, L. ; Ertugrul, N.
Conference Name
TENCON: IEEE Region 10 International Conference (2001 : Singapore)
Abstract
This paper proposes a novel three-phase current reconstruction technique that utilises the measured DC link current and the switching signals of the inverter. The method is based on an adaptive current observer, which uses the computer model of the motor drive to determine all possible inverter conditions that are not measurable and reconstructs the phase currents accurately. A wide range of experimental results provided in this study demonstrates that the, method can accurately reconstruct the line currents of both trapezoidal and sinusoidal permanent magnet (PM) AC motors.
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© Copyright 2001 IEEE