بحث بعنوان Slot Harmonic Frequency Detection as a Technique to Improve Stator Current Spectrum Approach

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بحث بعنوان
Slot Harmonic Frequency Detection as a Technique to Improve Stator Current Spectrum Approach for Broken Rotor Bars Fault Diagnosis
Noureddine BENOUZZA ,Ahmed Hamida BOUDINAR (member IEEE), Azeddine BENDIABDELLAH (member IEEE), Mohammed KHODJA
Electrical Engineering Faculty, Diagnosis Group
University of Sciences and Technology of Oran
Oran, Algeria
e-mails: benouza@yahoo.com, boud_ah@yahoo.fr , bendiazz@yahoo.fr , khodjamea@نص ممنوع.com

و المحتوى كما يلي :

Abstract—We present in this paper an overview of the slot
harmonic frequency detection applied to the broken rotor bars
faults diagnosis This technique uses the behavior of the current
spectral analysis and the estimation of the rotor slot harmonic to
detect broken rotor bars in three phase induction machine.
Experimental tests performed with broken rotor bars show the
effectiveness and merits of the proposed technique.
Keywords—Squirrel cage motor; diagnosis; broken bars faults; current spectral analysis; slots harmonic.
CONCLUSION
In this paper a proposed broken bars fault detection applied
to a squirrel cage induction motor using stator current spectrum
is discussed. This approach has as a main task the broken bars
fault identification with fault severity assessment. The task is
achieved by an early knowledge of the Rotor Slot Harmonic
SRH frequency fsh necessary for CHF frequencies
computation. Experimental tests performed on different rotor
bars fault show the effectiveness and merits of the proposed technique.

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