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
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
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
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
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
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
A best-fit model of power losses in cold rolled-motor lamination steel operating in a wide range of frequency and magnetization [PDF]
, 2007 A procedure is described for identifying a mathematical model of core losses in ferromagnetic steel based on a minimal amount of experimental data. The new model has a hysteresis loss multiplicative coefficient variable only with frequency, a hysteresis ...
Ionel, D.M., Popescu, M.
core +1 more source
Dielectric losses in hydrogenated VT1-0 titanium in distribution in eddy current [PDF]
, 2005 For the first time introduced the concept of the value of the dielectric loss in the hydrogenated titanium. Measurement of this value allowing more sensitive measurement of the distribution of hydrogen in the titanium sample according to the depth.
Al-Hussein, Mahmoud +5 more
core +2 more sources