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This paper proposes a suitable digital platform based on the Xilinx Zynq®-7000 family to process the functions performed by a smart-solid-state-transformer (3ST) in smart grids (SG) application. These functions include: link to information and communication technologies (ICT), voltage transformation, integration of distributed renewable energy resources (DRER) and distributed energy storage devices...
This paper presents an implementation technique of a high resolution Unipolar Pulse Width Modulator (UPWM) for power inverter applications. Unipolar switched inverter has the advantage of a higher efficiency and lower harmonic distortion. The technique was tested in a 2kW inverter with a typical LC filter and it was achieved a Total Harmonic Distortion below 2%. Simulations and experimental results...
ObjectivesBioimpedance analysis has been recently reported to characterize tissue pathologies. One of the many diabetes complications is diabetic foot disease, whose early signs are manifested at microscope level in small foot nerves endings. The experimental case study has conceived from the starting point, as already reported results show, that foot nerves endings are affected by diabetes disease...
The SiO2 and SiO2-Ag0 nano-spheres by sol-gel method have new application in the field photonics crystals. In this report, we demonstrate the synthesis of silver particles by reduction Ag+, obtained nanoparticles with range of size 2-10 nm, on colloid silica sphere, the silver nanoparticles, appearing on the surface of the silica microsphere. The material morphology was examined by electron microscopy...
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