Open AccessArticle
Stator current frequency analysis for the condition monitoring of induction motors. I. Fixed supply frequency
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TL;DRAbstract
The paper presents the formulae to predict the extra frequencies of a induction motor current due to rotor defects and load torque pulsation. The theoretical predictions are verified by experimental results from a laboratory motor with deliberately damaged rotor, and from motors in industry.
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The paper presents the formulae to predict the extra frequencies of a induction motor current due to rotor defects and load torque pulsation. The theoretical predictions are verified by experimental results from a laboratory motor with deliberately damaged rotor, and from motors in industry.
Keywords
Induction motorStatorRotor (electric)Control theory (sociology)Current (fluid)Wound rotor motorTorqueEngineering
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