Title :
Analytical approach of the stator current frequency harmonics computation for detection of induction machine rotor faults
Author :
Henao, Humberto ; Razik, Hubert ; Capolino, Gérard-André
Author_Institution :
Dept. of Electr. Eng., Univ. of Picardie "Jules Verne", Amiens, France
Abstract :
The aim of this paper is to analyze theoretically and experimentally the stator current of a three-phase squirrel-cage induction machine in order to show how it is influenced by electrical rotor faults. The approach used for this study analyzes the modification introduced by n broken rotor bars in the rotor cage magnetomotive force and then estimates the resulting frequency spectrum in the stator current. This approach is validated in a 3-kW 230-V/400-V 50-Hz 2850-r/min two-pole three-phase induction machine, showing the sensitive frequency components to rotor fault condition.
Keywords :
asynchronous machines; fault location; rotors; stators; 230 V; 3 kW; 400 V; 50 Hz; broken rotor bar; frequency harmonic; magnetomotive force; rotor fault detection; squirrel cage induction machine; stator current; Air gaps; Bars; Coils; Fault detection; Frequency; Harmonic analysis; Induction machines; Magnetic analysis; Rotors; Stator cores; Fault detection; harmonic analysis; induction machine; motor current signature analysis (MCSA);
Journal_Title :
Industry Applications, IEEE Transactions on
DOI :
10.1109/TIA.2005.847320
