...Oussama-Ali Dabaj; Ronan Corin; Jean-Philippe Lecointe; Cristian Demian; Jonathan Blaszkowski Purpose This paper aims to investigate the impact of combining grain-oriented electrical steel (GOES) grades on specific iron losses and the flux density distribution within a single-phase magnetic core...

... © Emerald Publishing Limited 2022 Emerald Publishing Limited Licensed re-use rights only Electrical machine Electric fields Iron losses Magnetic device Electromagnetic testing Localized magnetic properties measurement Interlocking Core laminations Electrical steel sheets...

... method. For simplicity, the nonlinear equations (1) , (2) and (3) are written as: 25 04 2022 24 06 2022 26 06 2022 © Emerald Publishing Limited 2022 Emerald Publishing Limited Licensed re-use rights only Electrical machine Iron losses Finite element method...

...Mitja Garmut; Martin Petrun Purpose This paper presents a comparative study of different stator-segmentation topologies of a permanent magnet synchronous machine (PMSM) used in traction drives and their effect on iron losses. Using stator segmentation allows one to achieve more significant copper...

...Ali Jamali Fard; Mojtaba Mirsalim Purpose This paper aims to present an adaptive method based on finite element analysis to calculate iron losses in switched reluctance motors (SRMs). Calculation of iron losses by analytical formulas has limited accuracy. On the other hand, its estimation...

...Houssam Ichou; Daniel Roger; Mathieu Rossi Purpose This paper aims to propose a new design for high-power compact solid-state transformers (SSTs) made with grain-oriented electrical steel (GOES) wound cores that benefit from the natural reduction of iron losses at high temperatures. Design...

...Martin Marco Nell; Benedikt Schauerte; Tim Brimmers; Kay Hameyer Purpose Various iron loss models can be used for the simulation of electrical machines. In particular, the effect of rotating magnetic flux density at certain geometric locations in a machine is often neglected by conventional iron...

... Electrical machine Equivalent circuit model Iron losses Magnetic saturation High dynamic performance, operational reliability and relative efficiency have led to the widespread use of induction motors (IM) in industry. In this regard, the increase of the service life of these electric machines...

.... The loss determination is carried out by FEM in different parts of the studied machine, where the iron losses are calculated for different parts separately as rotor yoke, stator yoke and teeth. This allows the value and location of heat sources to be well determined. The temperature distribution in all...

... loss models were developed and parametrized for these standardized unidirectional iron loss measurements. In the magnetic cross section of rotating electrical machines, the spatial magnetic flux density loci and with them the resulting iron losses vary significantly from these unidirectional cases...

... Limited 2020 Emerald Publishing Limited Licensed re-use rights only Electromagnetic fields Magnetic hysteresis Iron losses Material modelling Magnetoquasistatic Magnetic field simulation Permeability Reluctivity Material curve modeling Hysteresis Hysteresis losses Ferromagnetic...

... of the many kinds of defects which may appear in a transformer core, this method only detects those which actually cause an increase in the transformer’s global iron losses, which are thus the most detrimental. Findings The proposed method allows a more efficient control of the quality of the cores during...

...Benedikt Groschup; Silas Elfgen; Kay Hameyer Purpose The cutting process of the electric machine laminations causes residual mechanical stress in the soft magnetic material. A local magnetic deterioration can be observed and the resulting local and global iron losses increase. A continuous local...

... to mechanical stress. Therefore, this paper aims to study the relation between the local mechanical stress distribution and magnetic properties such as magnetic flux density and iron losses. Design/methodology/approach In this paper, different approaches for equivalent mechanical stress criteria...

... coefficients is introduced in Ionel et al. (2007) , which is shown as follows: 10 12 2017 29 03 2018 18 06 2018 19 06 2018 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Iron losses Coupled systems Switched reluctance...

...Valentin Ionita; Lucian Petrescu; Emil Cazacu Purpose The electrical machines connected to modern electric power grids are non-sinusoidal excited, and their augmented losses, including iron losses, limit their working characteristics. This paper aims to propose a prediction method for iron losses...

... equation (1) : Martin Petrun can be contacted at: martin.petrun@um.si 22 09 2016 28 12 2016 05 01 2017 © Emerald Publishing Limited 2017 Emerald Publishing Limited Licensed re-use rights only PWM Iron losses Soft magnetic materials Magnetic hysteresis...

...Jan Karthaus; Simon Steentjes; Nora Leuning; Kay Hameyer Purpose The purpose of this paper is to study the variation of the specific iron loss components of electrical steel sheets when applying a tensile mechanical load below the yield strength of the material. The results provide an insight...

... Cogging torque Iron losses Halbach array Magnetic gear The mechanical gears are generally coupled to match the low-speed operation of the wind turbine and the relatively high-speed operation of the generator, but it is well known that the mechanical gear has a high torque density but suffers...

...) to predict iron losses in electrical steels under PWM excitation without compromising the computational complexity of the model. Design/methodology/approach In this paper, a novel approach based on the dynamic inverse Preisach model is proposed to model the iron losses. The PWM magnetic flux density...