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This paper presents methodology of inductance calculation of cylindrical reactor with split magnetic core. The calculations are verified and referred to laboratory measurements and supported with FEM calculations. Different measurements methods are applied, including impulse inductance measurement and impedance analyzer. Four different cases are considered, involving different magnetic circuit setup...
Electric vehicle fast chargers is an increasingly growing market, where trends in design choices have already begun to rise. Authors of this article present overview and analysis of challenges that designers of fast electric vehicle chargers are facing. Special attention is given to miniaturization of such chargers with respect to electromagnetic compatibility. Additionally, legal and business requirements...
Some power supplies do not require accurate current feedback to function properly. In many cases the information about the output current is only needed to make sure that the power supply is not overloaded. This paper describes a sensing method of individual secondary currents of a four channel power supply built using a single core transformer, by sensing the currents flowing in separate primary...
The effect on the interface structure of multilayers of a pre-deposited ultrathin film of Bi and Pb surfactants introduced into Co/Cu multilayers has been studied. The [Co(1nm)/Cu(2nm)] multilayers were thermally evaporated at very low deposition rates with a small amount of Bi and Pb surfactant (about 0.2ML) introduced at each Cu layer. Auger spectra were taken after subsequent steps of evaporation...
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