Toward less rare-earth permanent magnet in electric machines: A review

B Poudel, E Amiri, P Rastgoufard… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Many electric traction drive systems (ETDSs) are driven by electric motors primarily
composed of high-energy rare-earth (RE) permanent magnets (PMs), such as neodymium …

The demagnetization phenomenon in PM machines: principles, modeling, and design considerations

F Mahmouditabar, A Vahedi, F Marignetti - IEEE Access, 2023 - ieeexplore.ieee.org
Permanent Magnet (PM) machines have attracted much attention due to their high power-
torque density, high efficiency, high dynamic response performance, high power factor, and …

Low-cost interior permanent magnet machine with multiple magnet types

Q Ma, A El-Refaie, B Lequesne - IEEE Transactions on Industry …, 2020 - ieeexplore.ieee.org
This article is a contribution to answer the following question: Is it possible to design a
permanent magnet machine with the performance expected from rare-earth magnets but at a …

Design and optimization of a high-torque-density low-torque-ripple vernier machine using ferrite magnets for direct-drive applications

C Gong, F Deng - IEEE Transactions on Industrial Electronics, 2021 - ieeexplore.ieee.org
In recent years, Vernier permanent magnet machines (VPMs) have gained much interest in
academia. However, due to the large leakage flux, the power factor of Vernier machines is …

A new flux-concentrating rotor of permanent magnet motor for electric vehicle application

J Wang, W Geng, Q Li, L Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents a new interior permanent magnet (IPM) rotor structure/assembly, which
inherits from the Halbach magnet configuration and spoke-type IPM rotor to achieve a high …

Analytical model for brushless double mechanical port flux-switching permanent magnet machines

E Shirzad, A Rahideh - IEEE Transactions on Magnetics, 2021 - ieeexplore.ieee.org
In this article, a 2-D analytical model is presented for brushless double mechanical port flux-
switching permanent magnet machines (BDMPFSPMMs). The BDMPFSPMM is an …

A review of permanent magnet models used for designing electrical machines

G Mörée, J Sjölund, M Leijon - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article serves as an overview of existing models of permanent magnets (PMs) for
electrical machines. The review study starts with the linear recoil model, which is commonly …

Finite element analysis of flux-switching PM machine considering oversaturation and irreversible demagnetization

S Zhu, M Cheng, W Hua, X Cai… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
A typical 12/10 flux-switching permanent magnet (PM) machine is analyzed using finite-
element (FE) method with special considerations of the silicon steel oversaturation, PM …

Flux-switching permanent magnet machines: a review of opportunities and challenges-part II: design aspects, control, and emerging trends

H Chen, AM EL-Refaie… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Flux-switching permanent magnet (FSPM) machines have received an intense amount of
research interest in recent years, due to their advantages of high torque/power density …

Sub-Region Model for Flux-Switching Permanent Magnet Machine with Outer Rotor and Inner Rotor Distinctly to Calculate Cogging Torque, Electromagnetic Torque …

E Shirzad - 2023 - researchsquare.com
This paper presents a general analytical subdomain model for the computation of magnetic
field distribution in any number of stator slots and rotor poles in presence of only permanent …