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DESIGN OF SLIP FREQUENCY DETECTOR WITH IMPROVEMENT ACCURACY FOR INDUCTION MOTOR ROTOR PARAMETERS UPDATING
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| Author(s) |
R. Beguenane; M. E. H. Benbouzid; G. A. Capolino; C. Ghyselen; H. Schoorens |
| Abstract |
An induction motor slip frequency is measured without contact with shaft. The measurement is based on FFT calculation of current line spectrum. The latter contains slots harmonics whose frequencies are proportional with respect to slip frequency. The latter is then deduced by exploiting this phenomenon. It will be show how the accuracy slip frequency measurement can be improved by choosing adequate window for FFT calculation. As application of such detector, it will be propose a new rotor parameters identification. Experimental results with Squirrel Cage Induction Motors driven by PWMVSI confirm the feasibility of the slip frequency detector and rotor
parameters identification procedure. |
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| Filename: | Unnamed file |
| Filesize: | 470.9 KB |
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| Type |
Members Only |
| Date |
Last modified 2018-05-18 by System |
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