No-Load and Load Analyses of a Permanent Magnet Axial Flux Generator

In this application note, a PM magnet axial flux generator is studied under load and no-load conditions. To perform this analysis we used EMS coupled with SOLIDWORKS Motion. Results, including back emf, short circuit response, current and voltage waveforms at different loads, eddy and iron losses are computed using EMS for SOLIDWORKS. Winding parameters are also calculated leading to a full performance analysis of the machine.

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THE EFFECT OF A MEANDER LINE ON THE MUTUAL COUPLING REDUCTION BETWEEN ANTENNA ELEMENTS

The miniaturization of antenna arrays imposes on the designer to place a large number of elements in a small footprint. This action gives rise to the so-called mutual coupling, which, in turn, causes crosstalk and distortion leading to the deterioration in the antenna performance and potential distortion of the radiation pattern. We won’t exaggerate if we say that such mutual coupling is the biggest obstacle to the miniaturization of antenna arrays. Over the years, antenna designers have found workarounds but with limited success. The workarounds include bandgap and ground defected structures as well as 3-dimensionncal vias

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