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

Content Provider	IET Digital Library
Author	Xia, Yonghong Wen, Zijian Zhu, Zi Qiang Zhong, Shihua Chen, Ying Zhang, Jingming
Abstract	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.
Starting Page	418
Ending Page	425
Page Count	8
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 3, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0699
Journal	IET Electric Power Applications
Publisher Date	2019-12-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Air Gap Air-gap Magnetic Field Control of Electric Power System 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 Field Maximum Excitation Current Output Permanent Magnet Generator Permanent Magnet Machine Permanent Magnet Motors Permanent Magnet Synchronous Machine Power 2.5 KW Rotor Excitation Winding Rotors Stator Third Harmonic EMF Stator Third Harmonic Winding Excitation Stators Synchronous Machine Voltage Control Voltage Regulators
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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