Fractional derivatives for the core losses prediction: State of the art and beyond

B Ducharne, G Sebald - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
The core losses prediction in laminated magnetic circuits has generated relentless scientific
research efforts. In this domain, the almost forty years old Statistical Theory of Losses (STL) …

[HTML][HTML] Fractional operators for the magnetic dynamic behavior of ferromagnetic specimens: An overview

B Ducharne, P Tsafack, YA Deffo, B Zhang, G Sebald - AIP advances, 2021 - pubs.aip.org
This paper reviews the use of the fractional derivative operators for the dynamic
magnetization of ferromagnetic specimens. Magnetic behaviors in ferromagnetic specimens …

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 …

Low-frequency behavior of laminated electric steel sheet: Investigation of ferromagnetic hysteresis loops and incremental permeability

S Zhang, B Ducharne, S Takeda, G Sebald… - Journal of Magnetism …, 2021 - Elsevier
The frequency dependence of ferromagnetic hysteresis and the related core losses is still an
open question. From scaling relations up to space discretized and simultaneous …

Carburization depth evaluation from magnetic nondestructive testing

B Ducharne, YAT Deffo, S Zhang, G Sebald… - NDT & E …, 2023 - Elsevier
Precise estimation of carburization depth is mandatory to avoid failure and critical
degradation of high-performance mechanical parts. In this work, we studied magnetic …

High-frequency fractional predictions and spatial distribution of the magnetic loss in a grain-oriented magnetic steel lamination

B Ducharne, H Hamzehbahmani, Y Gao, P Fagan… - Fractal and …, 2024 - mdpi.com
Grain-oriented silicon steel (GO FeSi) laminations are vital components for efficient energy
conversion in electromagnetic devices. While traditionally optimized for power frequencies …

A universal method based on fractional derivatives for modeling magnetic losses under alternating and rotational magnetization conditions

B Ducharne, S Zurek, G Sebald - Journal of Magnetism and Magnetic …, 2022 - Elsevier
The performance of electromagnetic devices like motors and transformers is dictated by their
efficiency of magnetic energy conversion, and the adequate modeling of this efficiency is …

Analysis and design of a novel outer mover moving magnet linear oscillating actuator for a refrigeration system

Z Ahmad, A Hassan, F Khan, N Ahmad, B Khan… - IEEE …, 2021 - ieeexplore.ieee.org
This article presents linear oscillating actuator (LOA) which generates bidirectional linear
thrust force. Design topology of the proposed LOA contains an outer mover and an inner …

Practical aspects of instantaneous magnetization power functions of silicon iron laminations

H Pfützner, G Shilyashki, C Bengtsson… - Journal of Electrical …, 2023 - Springer
Magnetic energy loss P of SiFe steel represents a key factor for the efficiency of soft
magnetic machine cores. Traditionally, they are operated with 50 Hz (or 60 Hz), a frequency …

Practical Approximation of Sheet Losses Taking into Account the Guillotine and Laser Cutting Effect

M Dems, K Komeza, J Szulakowski - Energies, 2023 - mdpi.com
Reducing losses in electrical devices is essential for reducing global energy consumption.
Losses in the core of electrical machines constitute a significant part of the overall losses …