Detection of Partial Demagnetization Fault in PMSMs Operating Under Nonstationary Conditions

Demagnetization fault detection of in-service permanent magnet synchronous machines (PMSMs) is a challenging task, because most PMSMs operate under nonstationary circumstances in industrial applications. A novel approach based on tracking characteristic orders of stator current using Vold-Kalman fil...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2016-07, Vol.52 (7), p.1-4
Main Authors: Wang, Chao, Delgado Prieto, Miguel, Romeral, Luis, Chen, Zhe, Blaabjerg, Frede, Liu, Xiao
Format: Article
Language:English
Subjects:
Demagnetization
desmanegt
Dispositius magnètics
Electromagnetisme
Enginyeria elèctrica
Fault detection
Faults
Física
Harmonic analysis
MACHINES
MAGNET SYNCHRONOUS MOTORS
Magnetism
Magnetisme
nonstationary
permanent magnet synchronous motors (PMSMs)
Permanent magnets
PERMANENT-MAGNET
Power harmonic filters
Running
Stators
Tasks
Time-frequency analysis
Tracking
Velocity control
Vold-Kalman filtering (VKF)
Àrees temàtiques de la UPC
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Summary:Demagnetization fault detection of in-service permanent magnet synchronous machines (PMSMs) is a challenging task, because most PMSMs operate under nonstationary circumstances in industrial applications. A novel approach based on tracking characteristic orders of stator current using Vold-Kalman filter is proposed to detect the partial demagnetization fault in PMSMs running at nonstationary conditions. The amplitude of envelope of the fault characteristic orders is used as fault indictor. Experimental results verify the superiority of the proposed method on the partial demagnetization online fault detection of PMSMs under various speed and load conditions.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2015.2511003