Review of Play and Preisach models for hysteresis in magnetic materials

G Mörée, M Leijon - Materials, 2023 - mdpi.com
This paper studies the properties of the Preisach model and the play model, and compare
their similarities. Both are history-dependent hysteresis models that are used to model …

Perspective of thermal analysis and management for permanent magnet machines, with particular reference to hotspot temperatures

ZQ Zhu, D Liang - Energies, 2022 - mdpi.com
Permanent magnet (PM) machines have been extensively used for various applications.
Nevertheless, thermal effect, particularly hotspot temperature, not only severely restricts …

A hybrid lumped-parameter and two-dimensional analytical thermal model for electrical machines

D Liang, ZQ Zhu, Y Zhang, J Feng… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
The lumped-parameter thermal network (LPTN) has been widely used in the thermal
analysis for electrical machines. Nevertheless, since the thermal resistances are defined …

Losses in efficiency maps of electric vehicles: An overview

E Roshandel, A Mahmoudi, S Kahourzade, A Yazdani… - Energies, 2021 - mdpi.com
In some applications such as electric vehicles, electric motors should operate in a wide
torque and speed ranges. An efficiency map is the contour plot of the maximum efficiency of …

Estimation of 3-D magnet temperature distribution based on lumped-parameter and analytical hybrid thermal model for SPMSM

D Liang, ZQ Zhu, JH Feng, SY Guo… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This paper presents a hybrid analytical thermal model by utilizing the synergies of the
lumped-parameter thermal model (LPTM) and the analytical thermal model to estimate the 3 …

High-speed electric drives: A step towards system design

F Savi, D Barater, M Di Nardo… - IEEE Open Journal …, 2020 - ieeexplore.ieee.org
Electric drives applications have been worldwide adopted for the transportation
electrification. An electric drive system is constituted by two main components: the power …

Modeling of PWM-induced iron losses with frequency-domain methods and low-frequency parameters

S Zhu, B Shi - IEEE Transactions on Industrial Electronics, 2021 - ieeexplore.ieee.org
The high-frequency iron losses caused by sinusoidal flux density variations with frequencies
ranging from 2.5 to 40 kHz, amplitudes from 1 to 70 mT, and dc-biased magnetic inductions …

Efficiency maps of electrical machines: A tutorial review

E Roshandel, A Mahmoudi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Efficiency maps (EffMs) illustrate the maximum efficiencies of electric machines over a range
of torque-speed operating points. This article reviews the available techniques for efficiency …

Estimation of two-and three-dimensional spatial magnet temperature distributions for interior PMSMs based on hybrid analytical and lumped-parameter thermal model

D Liang, ZQ Zhu, B Shao, J Feng, S Guo… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
A hybrid analytical and lumped-parameter thermal model is proposed in this paper to
estimate the transient and steady-state two-and three-dimensional (2/3-D) spatial magnet …

Simplified 3-D hybrid analytical modelling of magnet temperature distribution for surface-mounted PMSM with segmented magnets

D Liang, ZQ Zhu, J Feng, S Guo, Y Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, a simplified three-dimensional (3-D) hybrid analytical thermal model for
surface-mounted permanent magnet (PM) synchronous machines is proposed and applied …