Mitigation of High-Frequency Eddy Current Losses in Hairpin Winding Machines
Machines, 2022 In high-speed and high-frequency electric machines, one of the major issues that impacts the performance and capability of a machine is the high-frequency eddy current losses in the windings.
Ahmed Selema +2 more
doaj +3 more sources
Permanent-Magnet Eddy-Current Losses: A Global Revision of Calculation and Analysis
Mathematical and Computational Applications, 2019 Eddy-current analysis is an important research field. This phenomenon occurs in multiple areas and has several applications: electromagnetic braking, repulsive effects, levitation, etc.
Daoud Ouamara, Frédéric Dubas
doaj +3 more sources
IEEE Access, 2019 Aimed at the problem that the existing calculation method of eddy current losses in stator windings of large hydro-generators cannot consider the transposed structure and circulating current, the equivalent circuit model considering the actual transposed
Xu Bian, Yanping Liang
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Geometrical control of eddy currents in additively manufactured Fe-Si
Materials & Design, 2023 Additive manufacturing has enabled the processing of high silicon electrical steels which have excellent soft magnetic properties. In bulk form, core losses as a result of eddy currents would be too large to allow their use in high-frequency electrical ...
Alexander D. Goodall +5 more
doaj +1 more source
Curvature-related eddy-current losses in laminated axial flux machine cores [PDF]
, 2005 In this paper we present an axiperiodic quasi-static model to evaluate the magnetic flux density distribution and power loss due to curvature related radial flux in the laminated core of axial flux machines.
Ahfock, Tony L., Hewitt, Andrew
core +2 more sources
Comparison of motor stator teeth built of soft magnetic composite and laminated silicon steel sheets in an axial flux permanent magnet synchronous machine [PDF]
, 2015 This paper compares the iron losses generated by the concentrated excitation windings for the axial flux permanent magnet synchronous machine stator core elements constructed with laminated silicon steel sheets and soft magnetic composites. The two types
De Gersem, Herbert +2 more
core +2 more sources
MATEC Web of Conferences, 2015 The paper gives detailed systematic researches on the mechanism and key factors of eddy-current losses in rotor magnets of high power-density permanent magnet synchronous motors(PMSMs).
Zhang Lei, Gao Chunxia
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3-D Numerical Hybrid Method for PM Eddy-Current Losses Calculation: Application to Axial-Flux PMSMs [PDF]
, 2015 International audienceThis paper describes a 3-D numerical hybrid method (NHM) of the permanent-magnet (PM) eddy-current losses in axial-flux PM synchronous machines (PMSMs).
Benlamine, Raouf +4 more
core +3 more sources
Analytical Model of Magnet Eddy-Current Volume Losses in Multi-phase PM Machines with Concentrated Winding [PDF]
, 2012 Thanks to IEEE. The original PDF of the article can be found at: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6342330&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6342330 MHYGALE, project managed by VALEO-EEMthis ...
ASLAN, Bassel +2 more
core +4 more sources
Experimental Study of Iron Losses Generated by a Uniform Rotating Field [PDF]
, 2017 This paper introduces a mock-up with a solid iron cylinder rotating in a fixed excitation frame powered by dc current. A uniform field is created in the rotating cylinder, which is driven by an external motor. The braking torque is measured, allowing the
Bernot, Alix +3 more
core +1 more source