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This paper analyzes the demagnetization performance of the ferrite Permanent Magnets in the dual rotor radial flux permanent magnet generator. Two different partial demagnetization mechanisms in the DRRFPM generator are modeled and demonstrated. The 2D finite element analysis (FEA) is employed to accurately analyze the distribution of demagnetization. The 2D FEA results for the proposed DRRFPM generator verify the validity of the partial demagnetization model. The performance degradation induced by demagnetization is evaluated for the proposed generator based on the 2D FEA results. This research reveals the most vulnerable region of the magnet to irreversible demagnetization in the DRRFPM generator.
목차
Abstract
1. Introduction
2. Mechanism of Irreversible Demagnetization in the DRRFPM Generator
2.1. Air-Gap Permeance
2.2. Self-Demagnetization
2.3. Demagnetization Due To Armature Reaction
2.4. Overall Demagnetization
2.5. Validation by Finite-Element Analysis
3. Evaluation of PM Demagnetization
3.1. Demagnetization Characteristics
3.2. Performance Degradation Due To Partial Irreversible Demagnetization
4. Discussion
5. Conclusion
References
1. Introduction
2. Mechanism of Irreversible Demagnetization in the DRRFPM Generator
2.1. Air-Gap Permeance
2.2. Self-Demagnetization
2.3. Demagnetization Due To Armature Reaction
2.4. Overall Demagnetization
2.5. Validation by Finite-Element Analysis
3. Evaluation of PM Demagnetization
3.1. Demagnetization Characteristics
3.2. Performance Degradation Due To Partial Irreversible Demagnetization
4. Discussion
5. Conclusion
References
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자료제공 : 네이버학술정보