FEA model study of spectral signature patterns of PM demagnetisation faults in synchronous PM machines

FEA model study of spectral signature patterns of PM demagnetisation faults in synchronous PM machines

This work reports a finite element analysis (FEA) model study of the stator current spectra of a commercial permanent magnet (PM) AC machine operating with rotor PM demagnetisation faults. A range of PM uniform and local demagnetisation fault scenarios at different severity conditions are examined....

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Bibliographic Details
Main Authors:	Juan I. Melecio, Siniša Djurović, Nigel Schofield
Format:	Article
Language:	English
Published:	Wiley 2019-04-01
Series:	The Journal of Engineering
Subjects:	machine theory demagnetisation fault diagnosis finite element analysis stators rotors 2D FEA software studied PM machine design current signal spectral signature patterns different PM demagnetisation faults predicted expected spectral trends FEA model study synchronous PM machines finite element analysis model study stator current spectra commercial permanent magnet AC machine rotor PM demagnetisation faults PM fault spectral signature generalised mathematical characterisation stator current signal different modes different severity conditions local demagnetisation fault scenarios
Online Access:	https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8048

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