Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range

This paper proposes an operation method for the extended speed range of a surface-mounted permanent magnet (SPM) synchronous machine. The proposed method is based on a novel winding changeover scheme. The SPM machine has low synchronous inductance and hence poor field weakening capability. To enhanc...

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Main Authors: Stanislav Sin, Muhammad Ayub, Byung-Il Kwon
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9109268/
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author Stanislav Sin
Muhammad Ayub
Byung-Il Kwon
author_facet Stanislav Sin
Muhammad Ayub
Byung-Il Kwon
author_sort Stanislav Sin
collection DOAJ
description This paper proposes an operation method for the extended speed range of a surface-mounted permanent magnet (SPM) synchronous machine. The proposed method is based on a novel winding changeover scheme. The SPM machine has low synchronous inductance and hence poor field weakening capability. To enhance its field weakening capability, the permanent magnet's flux linkage can be reduced by performing a winding changeover. The proposed operation method increases the base speed of the machine by 3.83 times. In contrast to available two-inverter schemes with four thyristor switches, the proposed scheme utilizes a single-inverter topology drive and six bidirectional switches for the winding changeover. The machine works in two modes: cumulative and differential. In the cumulative mode, winding has a high induced back electromotive force (EMF), whereas in the differential mode, it falls by 3.54 times. The base speed increases approximately by the same ratio. After the mode switch, field weakening control is applied to the machine to further increase the speed range to 3.83 per unit. The proposed operation method was simulated in a commercial two-dimensional finite element method software in both modes under no-load and load operating conditions. The transient analysis was performed during the winding changeover, and speed range operation analysis was also carried out. The experimental results are provided to verify the extension of the speed range operation of the proposed novel winding changeover scheme for an SPM machine.
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spelling doaj.art-ad0e7221a33f41119144a33cf3f953de2022-12-21T22:50:38ZengIEEEIEEE Access2169-35362020-01-01810592210593510.1109/ACCESS.2020.30002569109268Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed RangeStanislav Sin0https://orcid.org/0000-0001-8813-3737Muhammad Ayub1https://orcid.org/0000-0002-4755-8648Byung-Il Kwon2https://orcid.org/0000-0003-3523-3106Department of Electrical and Electronic Engineering, Hanyang University, Ansan, South KoreaDepartment of Electrical and Electronic Engineering, Hanyang University, Ansan, South KoreaDepartment of Electrical and Electronic Engineering, Hanyang University, Ansan, South KoreaThis paper proposes an operation method for the extended speed range of a surface-mounted permanent magnet (SPM) synchronous machine. The proposed method is based on a novel winding changeover scheme. The SPM machine has low synchronous inductance and hence poor field weakening capability. To enhance its field weakening capability, the permanent magnet's flux linkage can be reduced by performing a winding changeover. The proposed operation method increases the base speed of the machine by 3.83 times. In contrast to available two-inverter schemes with four thyristor switches, the proposed scheme utilizes a single-inverter topology drive and six bidirectional switches for the winding changeover. The machine works in two modes: cumulative and differential. In the cumulative mode, winding has a high induced back electromotive force (EMF), whereas in the differential mode, it falls by 3.54 times. The base speed increases approximately by the same ratio. After the mode switch, field weakening control is applied to the machine to further increase the speed range to 3.83 per unit. The proposed operation method was simulated in a commercial two-dimensional finite element method software in both modes under no-load and load operating conditions. The transient analysis was performed during the winding changeover, and speed range operation analysis was also carried out. The experimental results are provided to verify the extension of the speed range operation of the proposed novel winding changeover scheme for an SPM machine.https://ieeexplore.ieee.org/document/9109268/Efficiency and power factorextended speed rangefield weakeningSPMSMwinding changeover schemewinding reconfiguration
spellingShingle Stanislav Sin
Muhammad Ayub
Byung-Il Kwon
Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
IEEE Access
Efficiency and power factor
extended speed range
field weakening
SPMSM
winding changeover scheme
winding reconfiguration
title Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
title_full Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
title_fullStr Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
title_full_unstemmed Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
title_short Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
title_sort operation method of non salient permanent magnet synchronous machine for extended speed range
topic Efficiency and power factor
extended speed range
field weakening
SPMSM
winding changeover scheme
winding reconfiguration
url https://ieeexplore.ieee.org/document/9109268/
work_keys_str_mv AT stanislavsin operationmethodofnonsalientpermanentmagnetsynchronousmachineforextendedspeedrange
AT muhammadayub operationmethodofnonsalientpermanentmagnetsynchronousmachineforextendedspeedrange
AT byungilkwon operationmethodofnonsalientpermanentmagnetsynchronousmachineforextendedspeedrange