Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets
This paper presents a comprehensive analytical model for dual rotor radial flux wind generators based on the equivalent magnetic circuit method. This model is developed to predict the flux densities of the inner and outer air gaps, flux densities of the rotor and stator yokes, back electromotive for...
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| Format: | Article |
| Language: | English |
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MDPI AG
2016-08-01
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| Series: | Energies |
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| Online Access: | http://www.mdpi.com/1996-1073/9/9/672 |
| _version_ | 1798005636081909760 |
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| author | Peifeng Xu Kai Shi Yuxin Sun Huangqiu Zhu |
| author_facet | Peifeng Xu Kai Shi Yuxin Sun Huangqiu Zhu |
| author_sort | Peifeng Xu |
| collection | DOAJ |
| description | This paper presents a comprehensive analytical model for dual rotor radial flux wind generators based on the equivalent magnetic circuit method. This model is developed to predict the flux densities of the inner and outer air gaps, flux densities of the rotor and stator yokes, back electromotive force (EMF), electromagnetic torque, cogging torque, and some other characteristics important for generator design. The 2D finite element method (FEM) is employed to verify the presented analytical model, fine-tune it, and validate the prediction precision. The results show that the errors between the proposed analytical model and the FEM results are less than 5% and even less than 1% for certain parameters, that is, the results obtained from the proposed analytical model match well the ones obtained from FEM analysis. Meanwhile, the working points at different temperatures are confirmed to exceed the knee point of the BH curve, which means that irreversible demagnetization does not occur. Finally, the optimization by FEM with the objective of fully using the inner space of the generator, decreasing the cogging torque, and reducing the total harmonic distortion (THD) of back EMF is performed. |
| first_indexed | 2024-04-11T12:43:34Z |
| format | Article |
| id | doaj.art-dd931a04b2ee4c98a8c6ca291366b662 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T12:43:34Z |
| publishDate | 2016-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-dd931a04b2ee4c98a8c6ca291366b6622022-12-22T04:23:26ZengMDPI AGEnergies1996-10732016-08-019967210.3390/en9090672en9090672Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite MagnetsPeifeng Xu0Kai Shi1Yuxin Sun2Huangqiu Zhu3School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaSchool of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, ChinaThis paper presents a comprehensive analytical model for dual rotor radial flux wind generators based on the equivalent magnetic circuit method. This model is developed to predict the flux densities of the inner and outer air gaps, flux densities of the rotor and stator yokes, back electromotive force (EMF), electromagnetic torque, cogging torque, and some other characteristics important for generator design. The 2D finite element method (FEM) is employed to verify the presented analytical model, fine-tune it, and validate the prediction precision. The results show that the errors between the proposed analytical model and the FEM results are less than 5% and even less than 1% for certain parameters, that is, the results obtained from the proposed analytical model match well the ones obtained from FEM analysis. Meanwhile, the working points at different temperatures are confirmed to exceed the knee point of the BH curve, which means that irreversible demagnetization does not occur. Finally, the optimization by FEM with the objective of fully using the inner space of the generator, decreasing the cogging torque, and reducing the total harmonic distortion (THD) of back EMF is performed.http://www.mdpi.com/1996-1073/9/9/672dual rotor radial flux wind generatoranalytical modelequivalent magnetic circuitferrite magnetsfinite element methodoptimization |
| spellingShingle | Peifeng Xu Kai Shi Yuxin Sun Huangqiu Zhu Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets Energies dual rotor radial flux wind generator analytical model equivalent magnetic circuit ferrite magnets finite element method optimization |
| title | Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets |
| title_full | Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets |
| title_fullStr | Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets |
| title_full_unstemmed | Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets |
| title_short | Analytical Model of a Dual Rotor Radial Flux Wind Generator Using Ferrite Magnets |
| title_sort | analytical model of a dual rotor radial flux wind generator using ferrite magnets |
| topic | dual rotor radial flux wind generator analytical model equivalent magnetic circuit ferrite magnets finite element method optimization |
| url | http://www.mdpi.com/1996-1073/9/9/672 |
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