Detecting Partial Demagnetization in AFPM Generators by Monitoring Speed and EMF Induced in a Supplemental Winding
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2021.3053993
Abstract: In this article, a novel method to detect the partial demagnetization in air-cored permanent-magnet axial-flux generators is proposed. Its principle is to monitor a speed-normalized fault detection signal. This signal depends only on the demagnetization… read more here.
Keywords: speed; detecting partial; afpm generators; demagnetization afpm ... See more keywords
Partial Demagnetization Fault Diagnosis of Interior Permanent Magnet Synchronous Motor Based on Back Electromotive Force Constant of a New Search Coil
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2025.3585215
Abstract: The occurrence of partial demagnetization fault (pdf) in permanent magnet synchronous motors (PMSMs) can significantly degrade the ability of the output torque and may even lead to vibration that compromises the stability and reliability of… read more here.
Keywords: coil; diagnosis; permanent magnet; partial demagnetization ... See more keywords