The Application of the Consumed Current Spectral Analysis for the Monitoring of Bearing Units of Induction Machines

9th International Scientific Conference "Engineering for Rural Development": Conference Proceedings. Vol.9 2010
Aleksandrs Gasparjans, Aleksandrs Terebkovs, Anastasija Žiravecka

The work suggests a method of diagnostics and monitoring of bearing units in induction electric machines according to the spectrum of the consumed current. The method is based on the assignment of character frequencies generated by the rotating parts of rolling bearings. The faults of the bearing units cause periodic changes in the instant speed of the rotor, short-time changing of rotating electromagnetic torque, redistribution of magnetic field fluxes in air gap and occurrence of highest harmonics in the spectrum of consumed current. Analysing the spectrum and its changes during a particular period of time allows the diagnostics of bearing units faults, monitoring and possible prognosis of bearing units residual life.

Atslēgas vārdi
induction motor, spectral analysis, high harmonic, bearing units, monitoring, air gap

Gasparjans, A., Terebkovs, A., Žiravecka, A. The Application of the Consumed Current Spectral Analysis for the Monitoring of Bearing Units of Induction Machines. No: 9th International Scientific Conference "Engineering for Rural Development": Conference Proceedings. Vol.9, Latvija, Jelgava, 27.-28. maijs, 2010. Jelgava: Latvijas Lauksaimniecības Akadēmija, 2010, 174.-181.lpp. ISSN 1691-5976.

Publikācijas valoda
English (en)