Title :
Study on the Permanent Magnet Demagnetization Fault in Permanent Magnet Synchronous Machines
Author :
Rosero, J.A. ; Cusido, J. ; Garcia, A. ; Ortega, J.A. ; Romeral, L.
Author_Institution :
MCIA Res. Group, Univ. Politecnica de Catalunya, Terrassa
Abstract :
This article studies the permanent magnet demagnetization fault in permanent magnet synchronous machines (PMSM). The study is carried out by analyzing the harmonics obtained using the fast Fourier transform (FFT) of stator and zero sequence currents at nominal torque for the whole range of machine operation speeds. The appropriate combination of analyses on the different currents makes it possible to determine the faults for any speed range
Keywords :
demagnetisation; electrical faults; fast Fourier transforms; permanent magnet machines; synchronous machines; torque; fast Fourier transform; permanent magnet demagnetization fault; permanent magnet synchronous machines; stator; zero sequence currents; Actuators; Circuit faults; Demagnetization; Fault detection; Infrared detectors; Magnetic analysis; Magnetic circuits; Permanent magnet machines; Permanent magnets; Torque; Demagnetization; PMSM drives; fault detection;
Conference_Titel :
IEEE Industrial Electronics, IECON 2006 - 32nd Annual Conference on
Conference_Location :
Paris
Print_ISBN :
1-4244-0390-1
DOI :
10.1109/IECON.2006.347598
