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
doaj +1 more source
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
Influence of PWM on the proximity loss in permanent magnet brushless AC machines [PDF]
, 2008 The winding copper loss can be significantly increased due to skin and proximity eddy current effects. The skin and proximity losses due to fundamental frequency current has been investigated in literature, but the influence of PWM on the skin and ...
Bremner, J. +5 more
core +1 more source
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
doaj +1 more source
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
A.C. loss contributions of the transport current and transverse field caused by combined action in a multifilamentary wire [PDF]
, 1985 A.c. losses caused by an a.c. transport current and a transverse a.c. magnetic field during simultaneous action were measured. The loss contributions have been obtained separately.
Klundert, L.J.M. van de +3 more
core +2 more sources
General Analytical Model of Magnet Average Eddy-Current Volume Losses for Comparison of Multi-phase PM Machines with Concentrated Winding [PDF]
, 2014 this paper studies magnet eddy-current losses in permanent magnet (PM) machines with concentrated winding. First of all, space harmonics of magnetomotive force (MMF) and their influence on magnet losses in electrical machines are investigated.
ASLAN, Bassel +2 more
core +6 more sources