Design and analysis of a 3D-flux flux-switching permanent magnet machine with SMC cores and ferrite magnets | Zendy

Chengcheng Liu | Zendy; Youhua Wang | Zendy; Gang Lei | Zendy; Youguang Guo | Zendy; Jianguo Zhu | Zendy

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Design and analysis of a 3D-flux flux-switching permanent magnet machine with SMC cores and ferrite magnets

Author(s) -

Chengcheng Liu,

Youhua Wang,

Gang Lei,

Youguang Guo,

Jianguo Zhu

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 - 10.1063/1.4974524

Subject(s) - magnet , flux linkage , stator , mechanical engineering , electromagnetic coil , demagnetizing field , materials science , ferrite (magnet) , magnetic flux , electropermanent magnet , finite element method , inductance , torque , mechanics , automotive engineering , electrical engineering , magnetic field , direct torque control , permanent magnet synchronous generator , physics , engineering , induction motor , structural engineering , composite material , magnetization , voltage , quantum mechanics , thermodynamics

Since permanent magnets (PM) are stacked between the adjacent stator teeth and there are no windings or PMs on the rotor, flux-switching permanent magnet machine (FSPMM) owns the merits of good flux concentrating and robust rotor structure. Compared with the traditional PM machines, FSPMM can provide higher torque density and better thermal dissipation ability. Combined with the soft magnetic composite (SMC) material and ferrite magnets, this paper proposes a new 3D-flux FSPMM (3DFFSPMM). The topology and operation principle are introduced. It can be found that the designed new 3DFFSPMM has many merits over than the traditional FSPMM for it can utilize the advantages of SMC material. Moreover, the PM flux of this new motor can be regulated by using the mechanical method. 3D finite element method (FEM) is used to calculate the magnetic field and parameters of the motor, such as flux density, inductance, PM flux linkage and efficiency map. The demagnetization analysis of the ferrite magnet is also addressed to ensure the safety operation of the proposed motor

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