Equivalent Magnetic Circuit Model for Consequent Pole Hybrid Excitation Synchronous Machine with AC Field Control

Jie Wu; Jing Yin; Baixing Zhuang; Mingjie Wang; Jitao Zhang

doi:10.4283/JMAG.2019.24.4.791

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저널정보

한국자기학회
Journal of Magnetics 학술저널
Journal of Magnetics Vol.24 No.4
2019.12 791 - 798 (8page)
DOI : 10.4283/JMAG.2019.24.4.791

저자정보

Jie Wu (Zhengzhou University of Light Industry)
Jing Yin (Zhengzhou University of Light Industry)
Baixing Zhuang (ANSYS)
Mingjie Wang (Zhengzhou University of Light Industry)
Jitao Zhang (Zhengzhou University of Light Industry)

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초록·키워드

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At present, almost all hybrid excitation machines (HEMs) apply DC field current to control the air-gap flux. However, the DC field control mode results in a problem that the capability of field-weakening is not equal to that of field-strengthening. This paper briefly explains the mechanism of asymmetric bidirectional field control capability in present HEMs, proposes a consequent pole hybrid excitation synchronous (CPHES) machine with AC field control mode to solve the asymmetric problem. The structure and principles of CPHES machine are presented. Additionally, the equivalent magnetic circuit model of CPHES machine is derived to reduce the computational complexity of analyzing CPHES structure by using three-dimensional finite element analysis (3DFEA). The proposed equivalent model and 3D-FEA are compared, the results verify the proposed model is basically consistent with the 3D-FEA, and the proposed model is able to reduce the computational complexity greatly.

#AC field control #consequent pole #equivalent magnetic circuit #hybrid excitation machine