Sensorless Vector Control of Parallel-Connected Multiple Induction Motors Fed by a Single Inverter |
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Authors: | Kouki Matsuse |
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Affiliation: | Department of Electrical Engineering, Meiji University, Kawasaki 214-8571, Japan |
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Abstract: | A method of improving the stability of multiple-motor drive system fed by a 3-leg single inverter has been devised that employs the averages and differences of estimated parameters for field-oriented control. The parameters of each motor (stator current, rotor flux, and speed) are estimated using adaptive rotor flux observers to achieve sensorless control. The validity and effective of the proposed method have been demonstrated through simulations and experiments. |
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Keywords: | adaptive rotor flux observer parallel-connected dual induction motors independent vector control sensorless adjustable speed drives |
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