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Demagnetization Diagnosis of Permanent Magnet Synchronous Motor Using Frequency Analysis at Standstill Condition
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논문 기본 정보

Type
Academic journal
Author
Jin-Hyung Yoo (Kyungnam University) Tae-Uk Jung (Kyungnam University)
Journal
The Korean Magnetics Society Journal of Magnetics Vol.21 No.2 KCI Accredited Journals SCIE
Published
2016.6
Pages
249 - 254 (6page)

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Demagnetization Diagnosis of Permanent Magnet Synchronous Motor Using Frequency Analysis at Standstill Condition
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Abstract· Keywords

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Recently, electric vehicles have got significant attention because it is more eco-friendly and efficient than internal combustion engine vehicles. Instead of an internal combustion engine, the electric vehicle has a motor for propulsion. The permanent magnet synchronous motor which has permanent magnet instead of field winding in the rotor has especially higher efficiency and power density than other types of motor. When the irreversible demagnetization is occurred, drivers are exposed to high risk of accident by the fault operation of motor. Therefore, the irreversible demagnetization of permanent magnet should be detected to reduce the risk of accident. In this study, the demagnetization diagnosis method based on the result of locked rotor test is proposed. Based on short measurement time, the proposed diagnosis method aims to detect the demagnetization fault when an electric vehicle is at a complete standstill. The proposed method is verified through the finite element analysis.
#Demagnetization #Frequency analysis #Permanent magnet #Electric Vehicle

Contents

1. Introduction
2. Existing Demagnetization Diagnosis Methods
3. Proposed Demagnetization Diagnosis Method
4. Analysis of Simulation Results
5. Conclusion
References

References (9)

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[학술지(정기간행물)] - J. R. R. Ruiz / 2009 / / IEEE Trans. Magn 45 : 7 ~ google schola [학술대회논문] - J. Rosero / 2008 / / Int. Sym on ISIE google schola [학술대회논문] - M. A. S. K. Khan / 2006 / / Proc. Conf. Rec. IEEE IAS Annual Meeting google schola [학술대회논문] - J. Rosero / 2007 / / IEEE WISP'2007 google schola [학술지(정기간행물)] - Urresty / 2012 / / IEEE Trans. Energy Conversion 27 : 1 ~ google schola

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