Parameter estimation system and method for an induction motor
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United States of America Patent
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Jan 30, 2018
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app pub date -
Jun 3, 2014
filing date -
Nov 3, 2009
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Abstract
A method of estimating stator resistance of an induction motor is provided. The method includes applying voltage pulses through two phase paths of the motor for a plurality of electrical cycles to inject current in the motor, wherein the voltage pulses are applied until rotor flux of the motor is substantially stabilized and measuring stator voltage and stator current in response to the applied voltage pulses for each of the plurality of electrical cycles. The method also includes calculating the stator resistance based upon the measured stator voltages and the stator currents.
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