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Nanoscience and Nanotechnology, Proceedings of the INFN-LNF 2018 Conference

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ISBN: 9783039219681 9783039219698 Year: Pages: 90 DOI: 10.3390/books978-3-03921-969-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Added to DOAB on : 2020-04-07 23:20:03
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The results presented in this volume highlight some of the most recent advances in nanoscience and nanotechnology studies, from both the physical and chemical point of view, with an eye also to possible engineering applications. These studies demonstrate directly how effective, and at the same time stimulating is implementing the “cross-fertilization” procedure. Indeed, multidisciplinary research allows one to catch more easily the analogies inherent different areas of science, as well as to take advantage and optimize different methods and techniques, often borrowed from other research areas.In the present Special Issue, we included six published papers. The latter contributions, on the one hand, are developed at the theory level and, on the other hand, show experimental results on the realization and experimental characterization of nanostructured systems, suitable for yielding progress towards the realization of systems and devices, that can ultimately lead to industrial applications. The results show that recent scientific research advances in these areas may provide important steps in the direction of fostering innovation and technological development.

High Voltage Engineering and Applications

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ISBN: 9783039287161 / 9783039287178 Year: Pages: 304 DOI: 10.3390/books978-3-03928-717-8 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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This book is a collection of recent publications from researchers all over the globe in the broad area of high-voltage engineering. The presented research papers cover both experimental and simulation studies, with a focus on topics related to insulation monitoring using state-of-the-art sensors and advanced machine learning algorithms. Special attention was given in the Special Issue to partial discharge monitoring as one of the most important techniques in insulation condition assessment. Moreover, this Special Issue contains several articles which focus on different modeling techniques that help researchers to better evaluate the condition of insulation systems. Different power system assets are addressed in this book, including transformers, outdoor insulators, underground cables, and gas-insulated substations.

Keywords

space/interface charge --- electrical field strength --- temperature --- oil-paper insulation --- simulation --- bipolar charge transport model --- earthing systems --- electrode’s geometry --- fast-impulses --- high-magnitude currents and impulse polarity --- grounding --- grounding electrodes --- high impulse conditions --- seasonal --- soil resistivity --- partial discharges (PD) --- partial discharge --- calibrator --- Tettex 9520 --- DDX 8003 --- DDX 9121b --- secondary arc --- short-circuit discharge --- numerical modeling --- plasma discharge --- post insulator --- non-uniform pollution between windward and leeward sides --- residual resistance formulation --- flashover dynamic model --- artificial flashover tests --- flashover characteristics --- feature selection --- insulation health index --- machine learning --- oil/paper insulation --- transformer asset management --- thermal effect --- cable --- XLPE --- laying modes --- Comsol Multiphysics --- thermal parameters --- cable ampacity --- partial discharge --- surface discharge --- UHF sensor --- FDTD simulation --- cavity discharge --- partial discharge --- denoising --- RF signal --- wavelet transform --- artificial neural network --- curve fitting --- saline mechanism --- shoreline --- wind speed --- outdoor insulators --- dry band arcing --- flashover --- tracking --- ageing --- hydrophobicity --- leakage current --- dry band arcing --- degradation --- polymeric insulation --- tracking test setup --- composite insulator --- dry band formation --- heat transfer model --- generalized finite difference time domain --- corona discharge --- electric field analysis --- ion flow field --- space charge density --- UFVM --- partial discharge --- optical-UHF integrated detection --- photoelectric fusion pattern --- GIL --- NSCT --- cable joint --- charge simulation method --- electrical tree --- random walk theory --- finite element analysis --- partial discharge modeling --- high-frequency --- fast-rise square wave voltages --- silicone gel --- wide bandgap power modules --- surface discharge --- flashover --- gas --- modelling --- pressure --- thermal properties

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