Influence of magnet eddy current on magnetization characteristics of variable flux memory machine
Source abstract
Abstract
In this paper, the magnet eddy current characteristics of a newly developed variable flux memory machine (VFMM) is investigated. Firstly, the machine structure, non-linear hysteresis characteristics and eddy current modeling of low coercive force magnet are described, respectively. Besides, the PM eddy current behaviors when applying the demagnetizing current pulses are unveiled and investigated. The mismatch of the required demagnetization currents between the cases with or without considering the magnet eddy current is identified. In addition, the influences of the magnet eddy current on the demagnetization effect of VFMM are analyzed. Finally, a prototype is manufactured and tested to verify the theoretical analyses.
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Research context
OpenAlex topics: Electric Motor Design and Analysis · Magnetic Properties and Applications · Magnetic Bearings and Levitation Dynamics
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Affiliations
School of Electrical Engineering, Southeast University 1 , Sipailou 2, 210096, Nanjing, China
Department of Electronic and Electrical Engineering, University of Sheffield 2 , Mappin Street, Sheffield S1 3JD, United Kingdom
Funding
Specialized Research Fund for the Doctoral of Higher Education of China · the Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · Natural Science Foundation of Jiangsu Province
References (6)
Show source-provided references
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