Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet

This paper presents the design for a high-speed permanent magnet synchronous machine (PMSMs) considering the demagnetization and mechanical characteristics of rare-earth magnets based on the operating temperature. The TRV equation and plane stress analytical method are considered for the temperature...

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Main Authors: Tae-Kyoung Bang, Kyung-Hun Shin, Jeong-In Lee, Jong-Hyeon Woo, Han-Wook Cho, Jang-Young Choi
Format: Article
Language:English
Published: AIP Publishing LLC 2021-02-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/9.0000152
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author Tae-Kyoung Bang
Kyung-Hun Shin
Jeong-In Lee
Jong-Hyeon Woo
Han-Wook Cho
Jang-Young Choi
author_facet Tae-Kyoung Bang
Kyung-Hun Shin
Jeong-In Lee
Jong-Hyeon Woo
Han-Wook Cho
Jang-Young Choi
author_sort Tae-Kyoung Bang
collection DOAJ
description This paper presents the design for a high-speed permanent magnet synchronous machine (PMSMs) considering the demagnetization and mechanical characteristics of rare-earth magnets based on the operating temperature. The TRV equation and plane stress analytical method are considered for the temperature, the rotor size is derived from the analysis results of the sleeve thickness, and the stator is designed on the basis of the results of the electromagnetic analysis method. The B–H curve of the permanent magnet (PM) changes with its operating temperature; thus, a thermal demagnetization analysis is conducted to verify the irreversible demagnetization caused by the operating temperature and armature reaction field using electromagnetic finite element method (FEM). It is necessary to consider the irreversible demagnetization with the operating temperature because it can decrease the electromagnetic performance. Therefore, the electromagnetic characteristics of high-speed machines using rare-earth PMs are analyzed to confirm irreversible demagnetization. The validity of the proposed design is confirmed via comparative verifications with the measured results from prototype models.
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spelling doaj.art-99bd7546f38144b59fb516dfda06abf32022-12-21T20:18:57ZengAIP Publishing LLCAIP Advances2158-32262021-02-01112025129025129-610.1063/9.0000152Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnetTae-Kyoung Bang0Kyung-Hun Shin1Jeong-In Lee2Jong-Hyeon Woo3Han-Wook Cho4Jang-Young Choi5Department of Electrical Engineering, Chungnam National University, 99, Dae-hak-ro, Yusung-gu, Daejeon 305-764, Republic of KoreaDepartment of Power System Engineering, Chonnam National University, 50 Daehak-ro, Yeosu 59626, South KoreaDepartment of Electrical Engineering, Chungnam National University, 99, Dae-hak-ro, Yusung-gu, Daejeon 305-764, Republic of KoreaDepartment of Electrical Engineering, Chungnam National University, 99, Dae-hak-ro, Yusung-gu, Daejeon 305-764, Republic of KoreaDepartment of Electrical, Electronic and Communication Engineering Education, Chungnam National University, Daejeon 305-764, South KoreaDepartment of Electrical Engineering, Chungnam National University, 99, Dae-hak-ro, Yusung-gu, Daejeon 305-764, Republic of KoreaThis paper presents the design for a high-speed permanent magnet synchronous machine (PMSMs) considering the demagnetization and mechanical characteristics of rare-earth magnets based on the operating temperature. The TRV equation and plane stress analytical method are considered for the temperature, the rotor size is derived from the analysis results of the sleeve thickness, and the stator is designed on the basis of the results of the electromagnetic analysis method. The B–H curve of the permanent magnet (PM) changes with its operating temperature; thus, a thermal demagnetization analysis is conducted to verify the irreversible demagnetization caused by the operating temperature and armature reaction field using electromagnetic finite element method (FEM). It is necessary to consider the irreversible demagnetization with the operating temperature because it can decrease the electromagnetic performance. Therefore, the electromagnetic characteristics of high-speed machines using rare-earth PMs are analyzed to confirm irreversible demagnetization. The validity of the proposed design is confirmed via comparative verifications with the measured results from prototype models.http://dx.doi.org/10.1063/9.0000152
spellingShingle Tae-Kyoung Bang
Kyung-Hun Shin
Jeong-In Lee
Jong-Hyeon Woo
Han-Wook Cho
Jang-Young Choi
Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
AIP Advances
title Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
title_full Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
title_fullStr Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
title_full_unstemmed Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
title_short Design of high-speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
title_sort design of high speed permanent magnet synchronous machines considering thermal demagnetization and mechanical characteristic of permanent magnet
url http://dx.doi.org/10.1063/9.0000152
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