Magnetic equivalent circuit modeling of yokeless axial flux permanent magnet machine with segmented armature

Huang, Yunkai; Zhou, Tao; Dong, J.; Lin, Heyun; Yang, Hui; Cheng, Ming

Magnetic equivalent circuit modeling of yokeless axial flux permanent magnet machine with segmented armature

Journal article (2014)

Authors

Yunkai Huang Southeast University

Tao Zhou Southeast University

J. Dong Southeast University

Heyun Lin Southeast University

Hui Yang Southeast University

Ming Cheng Southeast University

Affiliation

External organisation

Magnetic equivalent circuit (MEC) Axial flux permanent magnet (AFPM) machine Finite-element method (FEM) Static characteristic

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Published Date

01-11-2014

Language

English

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Abstract

This paper presents a detailed magnetic equivalent circuit (MEC) to improve the analysis accuracy and reduce computation time in modeling of axial flux permanent magnet machines. In the proposed MEC model, the magnetic saturation, armature reaction, leakage flux, and rotor rotation are considered to calculate the machine's static characteristics. The investigated machine structure and feature are first introduced. Then, the air-gap flux density distribution, back electromotive force waveform, and the average torque are calculated with the proposed method. Finally, the accuracy of the proposed method is verified by the 3-D finite-element method, and good agreements are achieved.