Electric power dissipation control
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United States of America Patent
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Nov 4, 2014
Issued Date -
N/A
app pub date -
Nov 28, 2012
filing date -
Dec 13, 2011
priority date (Note) -
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Abstract
A method and apparatus for controlling an electric motor. An electric motor apparatus has an electric motor with motor stator windings, a battery, battery control module coupled to the battery and configured to monitor and detect a state of the battery, and a motor control unit coupled to the battery and the batter control module and being configured to select an operation of the electric motor based on a signal from the battery control module representing the state of the battery. The motor control unit selects a normal motor control operation, a power dissipation motor control operation, or a discharge operation. During the power dissipation motor control operation, power from brake torque is dissipated in the motor stator windings of the electric motor.
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