Eddy current loss calculation and thermal analysis of axial-flux permanent magnet couplers | Zendy

Di Zheng | Zendy; Dazhi Wang | Zendy; Shuo Li | Zendy; Tongyu Shi | Zendy; Zhao Li | Zendy; Linxin Yu | Zendy

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Eddy current loss calculation and thermal analysis of axial-flux permanent magnet couplers

Author(s) -

Di Zheng,

Dazhi Wang,

Shuo Li,

Tongyu Shi,

Zhao Li,

Linxin Yu

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4977702

Subject(s) - eddy current , magnet , mechanics , magnetic field , magnetic flux , thermal , finite element method , materials science , current (fluid) , electromagnetic field , field (mathematics) , heat flux , nuclear magnetic resonance , physics , heat transfer , thermodynamics , quantum mechanics , mathematics , pure mathematics

A three-dimensional magnetic field analytical model of axial-flux permanent magnet couplers is presented to calculate the eddy current loss, and the prediction of the copper plate temperature under various loads is analyzed. The magnetic field distribution is calculated, and then the eddy current loss is obtained, with the magnetic field analytical model established in cylindrical coordinate. The influence of various loads on eddy current loss is analyzed. Furthermore, a thermal model of axial-flux permanent magnet couplers is established by taking the eddy current loss as the heat source, using the electromagnetic-thermal coupled method. With the help of the thermal model, the influence of various loads on copper plate temperature rise is also analyzed. The calculated results are compared with the results of finite element method and measurement. The comparison results confirm the validity of the magnetic field analytical model and thermal model

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