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Research on a hybrid excitation PM synchronous generator with stator third harmonic winding excitation

Xia, Yonghong ; Wen, Zijian ; Zhu, Ziqiang ; Zhong, Shihua ; Chen, Ying ; Zhang, Jingming

IET electric power applications, 2020-03, Vol.14 (3), p.418-425 [Periódico revisado por pares]

The Institution of Engineering and Technology

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Título:
Research on a hybrid excitation PM synchronous generator with stator third harmonic winding excitation
Autor: Xia, Yonghong ; Wen, Zijian ; Zhu, Ziqiang ; Zhong, Shihua ; Chen, Ying ; Zhang, Jingming
Assuntos: air gaps ; air‐gap magnetic field ; electric potential ; excitation principle ; excitation system structure ; finite element analysis ; harmonic excitation system ; hybrid excitation permanent magnet synchronous generator ; hybrid excitation PM synchronous generator ; inherent third harmonic magnetic field ; machine control ; machine windings ; magnetic fields ; maximum excitation current output ; permanent magnet generators ; permanent magnet machines ; permanent magnet motors ; permanent magnet synchronous machine ; power 2.5 kW ; Research Article ; rotor excitation winding ; rotors ; stator third harmonic EMF ; stator third harmonic winding excitation ; stators ; synchronous machines ; voltage control ; voltage regulators
É parte de: IET electric power applications, 2020-03, Vol.14 (3), p.418-425
Descrição: This study presents a hybrid excitation permanent magnet synchronous generator (HEPMSG) with a stator third harmonic winding to solve the problems of adjusting the air-gap magnetic field of the permanent magnet synchronous machine (PMSM) and simplify the excitation system structure. The electromotive force (EMF) of the stator third harmonic winding, induced by the inherent third harmonic magnetic field in the air gap, provides the adjustable field current for the rotor field winding via the controllable rectification. The proposed machine structure is described, and the generation mechanism and the excitation principle of the stator third harmonic EMF are analysed. The conditions for maximum excitation current output are discussed, and the integrated design methods of the stator third harmonic winding and the rotor excitation winding are described. Based on the finite element method, the performances of the third harmonic excitation system are numerically compared for different stator third harmonic windings, and the open-circuit voltage regulation characteristics under different control angles are analysed. A 2.5 kW HEPMSG prototype with a stator third harmonic winding is manufactured and tested. The predicted and experimental results are in good agreement, which verifies the correctness of the excitation principle of the proposed HEPMSG.
Editor: The Institution of Engineering and Technology
Idioma: Inglês

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Research on a hybrid excitation PM synchronous generator with stator third harmonic winding excitation

Xia, Yonghong ; Wen, Zijian ; Zhu, Ziqiang ; Zhong, Shihua ; Chen, Ying ; Zhang, Jingming

The Institution of Engineering and Technology

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