Results 31 to 40 of about 173,997 (307)

Analytical prediction of rotor eddy current loss due to stator slotting in PM machines [PDF]

open access: yes, 2001
Paper presented during the 2010 IEEE Conference, Electrical Machines and Systems, 2001. ICEMS 2001, Shenyang . The original publication is available at http://research.ee.sun.ac.za/emr/files/u1/2010-ECCE-Wills.pdf and also http://ieeexplore.ieee.org/xpls/
Kamper, Maarten J., Wills, Dominic A.
core   +1 more source

A correction method for the frequency dependence of eddy current loss power of converter transformer

open access: yesDiance yu yibiao
At present, the eddy current loss of the converter transformer is estimated based on an extrapolation method recommended by the IEC-61378-2 standard and GB/T 18494.2 standard. However, practical measurements already show the recommended method has a poor
ZHENG Xin   +5 more
doaj   +1 more source

Eddy current loss analysis of underwater wireless power transfer systems with misalignments

open access: yesAIP Advances, 2018
Underwater wireless power transfer (WPT) has gained a lot of popularity in recent years. In the seawater environment, the electrical conductivity is non-negligible compared with that in the air.
Zhengchao Yan   +5 more
doaj   +1 more source

Influence of the voltage taps position on the self-field DC and AC transport characterization of HTS superconducting tapes

open access: yes, 2013
The current-voltage (I-V) curve is the basic characteristic of a superconducting wire or tape. Measuring I-V curves is generally problematic when samples have poor stabilization.
Goldacker, W.   +4 more
core   +1 more source

Prediction of 3D High Frequency Eddy Current Loss in Rotor Magnets of SPM Machines [PDF]

open access: yes, 2016
This paper proposes a computationally efficient method, for accurate prediction of 3-dimensional (3D) high frequency eddy current loss in the rotor magnets of surface mounted permanent magnet machines employing the imaging method.
Chen, L.   +5 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]

open access: yes, 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

Iron Losses Prediction with PWM Supply Using Low and High Frequency Measurements: Analysis and Results Comparison [PDF]

open access: yes, 2008
In this paper, two different methods for iron loss prediction are analyzed. The first method is based on the classical separation of loss contributions (hysteresis, eddy-current, and excess losses).
Boglietti, Aldo   +2 more
core   +1 more source

Study of Rotor Slot Wedge Eddy Current Loss of Nuclear Power Turbo-generator under Negative Sequence Operation

open access: yesJournal of Harbin University of Science and Technology, 2018
In order to study the generator rotor slot wedge eddy current loss under different conditions . The 1407MVA turbo generator at half speed is researched as an example. Mathematical model is established in 2D electromagnetic field.
GE Bao-jun   +5 more
doaj   +1 more source

Investigation of Eddy Current Loss and Structure Design with Magnetic-Thermal Coupling for Toothless BLDC High-Speed PM Motor

open access: yesMachines, 2022
Brushless direct current (BLDC) permanent magnet (PM) synchronous motors are in high demand for ventilator applications owing to their high speed, high efficiency, and other significant features.
Jingjuan Du   +8 more
doaj   +1 more source

A.C. loss contributions of the transport current and transverse field caused by combined action in a multifilamentary wire [PDF]

open access: yes, 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

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