System and method for motor speed estimation of an electric motor
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United States of America Patent
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Jun 19, 2012
Grant Date -
Mar 3, 2011
app pub date -
Aug 26, 2009
filing date -
Aug 26, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for a motor management system includes a computer readable storage medium and a processing unit. The processing unit configured to determine a voltage value of a voltage input to an alternating current (AC) motor, determine a frequency value of at least one of a voltage input and a current input to the AC motor, determine a load value from the AC motor, and access a set of motor nameplate data, where the set of motor nameplate data includes a rated power, a rated speed, a rated frequency, and a rated voltage of the AC motor. The processing unit is also configured to estimate a motor speed based on the voltage value, the frequency value, the load value, and the set of nameplate data and also store the motor speed on the computer readable storage medium.
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