Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF

This paper proposes a design method for the flux modulation poles (FMPs) formed on the stator of surface-mounted permanent magnet vernier machines (SPMVM) considering the winding configurations. In three types of the SPMVM with the different winding configurations, the FMP shapes to maximize the out...

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Main Authors: Daekyu Jang, Junghwan Chang
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/12/5/897
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author Daekyu Jang
Junghwan Chang
author_facet Daekyu Jang
Junghwan Chang
author_sort Daekyu Jang
collection DOAJ
description This paper proposes a design method for the flux modulation poles (FMPs) formed on the stator of surface-mounted permanent magnet vernier machines (SPMVM) considering the winding configurations. In three types of the SPMVM with the different winding configurations, the FMP shapes to maximize the output torque are optimized by employing the analytical equations for the magneto-motive force (MMF) due to the windings, permeance, and flux density in the air-gap. Then, the validity of the optimal shapes for the FMPs is verified by the finite element analysis. It is found that the optimal FMP shapes are designed differently in the three types of the SPMVM and increase the output torque by different ratios according to the winding configurations. In addition, the experimental results for the prototype show that the proposed method can optimally design the FMP shape by analyzing mathematically the effects of the winding configuration and the FMP shape on the output torque of the SPMVM.
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spelling doaj.art-bfba43b8eb7d4fe2a9ee6cdd7e6be9802022-12-22T02:07:19ZengMDPI AGEnergies1996-10732019-03-0112589710.3390/en12050897en12050897Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMFDaekyu Jang0Junghwan Chang1Mechatronics System Research Laboratory, Electrical Engineering Department, Dong-A University, Busan 52121, KoreaMechatronics System Research Laboratory, Electrical Engineering Department, Dong-A University, Busan 52121, KoreaThis paper proposes a design method for the flux modulation poles (FMPs) formed on the stator of surface-mounted permanent magnet vernier machines (SPMVM) considering the winding configurations. In three types of the SPMVM with the different winding configurations, the FMP shapes to maximize the output torque are optimized by employing the analytical equations for the magneto-motive force (MMF) due to the windings, permeance, and flux density in the air-gap. Then, the validity of the optimal shapes for the FMPs is verified by the finite element analysis. It is found that the optimal FMP shapes are designed differently in the three types of the SPMVM and increase the output torque by different ratios according to the winding configurations. In addition, the experimental results for the prototype show that the proposed method can optimally design the FMP shape by analyzing mathematically the effects of the winding configuration and the FMP shape on the output torque of the SPMVM.http://www.mdpi.com/1996-1073/12/5/897armatureelectromagnetic devicesmagnetic flux densitypermanent magnet motors
spellingShingle Daekyu Jang
Junghwan Chang
Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF
Energies
armature
electromagnetic devices
magnetic flux density
permanent magnet motors
title Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF
title_full Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF
title_fullStr Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF
title_full_unstemmed Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF
title_short Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF
title_sort design and analysis of surface mounted pm vernier machines considering harmonic characteristics of winding mmf
topic armature
electromagnetic devices
magnetic flux density
permanent magnet motors
url http://www.mdpi.com/1996-1073/12/5/897
work_keys_str_mv AT daekyujang designandanalysisofsurfacemountedpmverniermachinesconsideringharmoniccharacteristicsofwindingmmf
AT junghwanchang designandanalysisofsurfacemountedpmverniermachinesconsideringharmoniccharacteristicsofwindingmmf