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This paper introduces an alternative tool for stator current envelope extraction in induction motors (IMs) aiming for identifying broken rotor bar (BRB). A new timedomain signal processing algorithm using second order generalized integrator-adaptive notch filter (SOGI-ANF) is introduced for online extraction of both steady state and transient envelopes. The adaptive nature and the structural simplicity...
This paper introduces an alternative tool for stator current envelope extraction in induction motors (IMs) aiming for identifying broken rotor bar (BRB). A new time-domain signal processing algorithm using second order generalized integrator-adaptive notch filter (SOGI-ANF) is introduced for online extraction of both steady state and transient envelopes. The adaptive nature and the structural simplicity...
Detection of rotor bar breakage in squirrel cage induction motors (SCIMs) via motor current signature analysis (MCSA) is difficult when the motor is working at very low slip operating condition. The fast Fourier transform (FFT) spectrum of the stator current signal is affected by the fundamental frequency component whose leakage masks the fault characteristic frequency. To address this problem, a...
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