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MINIMIZATION OF MOTOR TORQUE RIPPLE DUE TO UNBALANCED CONDITIONS
MINIMIZATION OF MOTOR TORQUE RIPPLE DUE TO UNBALANCED CONDITIONS
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机译:无平衡条件下的电动机转矩脉动的最小化
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摘要
The method for minimizing the torque ripple produced by unbalanced phase currents in a sinusoidally excited motor (702) is disclosed. The method comprises measuring the position (704) of the motor (702); sampling the phase currents of the motor (702) generating thereby at least one phase current; synchronizing the at least one phase current of the motor (702); determining the imbalance in the magnitudes of the at least one phase current of the motor (702); generating a set of modulation index terms for reducing the imbalance in the magnitudes of the at least one phase current to ensure acceptable torque ripple characteristics over the operating velocity of the motor (702); and generating a set of minimized line-to-ground voltage commands.
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