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Christchurch, New Zealand
Jan. 29, 2002 to Jan. 31, 2002
ISBN: 0-7695-1453-7
pp: 480
William Phipps , Eastern Institute of Technology
ABSTRACT
This paper describes a method o sensorless speed estimation that is low cost and easy to implement. It uses two different algorithms,and so compensates or the weaknesses of the individual algorithms producing a robust low lost application. A method is investigated that uses the rotor slot harmonics to estimate the speed o the motor above 300rpm. At lower speeds the rotor slot harmonic method becomes unreliable,due to the difficulty in detecting the harmonics at lower speeds. A slip detection method,using an empirical ormula is to be used during the speed "blind spot ",providing speed estimation and so increasing the dynamic range of the system as a whole.
CITATION
William Phipps, "Sensorless Speed Control in Induction Motor Drives", DELTA, 2002, Proceedings First IEEE International Workshop on Electronic Design, Test and Applications '2002, Proceedings First IEEE International Workshop on Electronic Design, Test and Applications '2002 2002, pp. 480, doi:10.1109/DELTA.2002.994678
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