Motor control system for limiting regenerative current
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United States of America Patent
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Nov 25, 2014
Issued Date -
N/A
app pub date -
Dec 15, 2011
filing date -
Dec 15, 2011
priority date (Note) -
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Abstract
A motor control system is provided, including a motor and a control module. The motor operates at a rotational velocity, and creates a regenerative current. The motor has a target field weakening current that is configured for limiting the regenerative current to a threshold value. The control module is in communication with the motor. The control module receives a motor torque command. The control module includes control logic for identifying the target field weakening current based upon the motor torque command and the rotational velocity of the motor.
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