Determination of rotor slot number of an induction motor using an external search coil

Date

2009-12-01

Author

Keysan, Ozan
Ertan, Hulusi Bülent

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This paper describes determination of the number rotor slots of an induction motor from the induced emf in an external search coil. This information is needed in prediction of motor speed from the external search coil induced voltage. The approach is based on identifying saliency harmonics and rotor slot harmonics, via FFT analysis of the external search coil emf. The proposed approach is tested on an induction motor driven by the mains supply. The experiments are repeated with a PWM supply. It is shown that the method works well in both cases and the number of rotor slots of the test machine is accurattely predicted.

Subject Keywords

Drive, Induction motor, Parameter prediction

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84866320618&origin=inward
https://hdl.handle.net/11511/77960

Conference Name

XVIth International Symposium on Electrical Apparatus and Technologies, SIELA 2009, Proceedings

Collections

Department of Electrical and Electronics Engineering, Conference / Seminar

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Citation Formats

O. Keysan and H. B. Ertan, “Determination of rotor slot number of an induction motor using an external search coil,” Bourgas, Bulgaria, 2009, vol. 2, Accessed: 00, 2021. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84866320618&origin=inward.