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High Voltage Engineering and Applications
| High Voltage Engineering and Applications |
| Autore | El-Hag Ayman |
| Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 online resource (304 p.) |
| Soggetto topico | History of engineering and technology |
| Soggetto non controllato |
ageing
artificial flashover tests artificial neural network bipolar charge transport model cable cable ampacity cable joint calibrator cavity discharge charge simulation method composite insulator Comsol Multiphysics corona discharge curve fitting DDX 8003 DDX 9121b degradation denoising dry band arcing dry band formation earthing systems electric field analysis electrical field strength electrical tree electrode's geometry fast-impulses fast-rise square wave voltages FDTD simulation feature selection finite element analysis flashover flashover characteristics flashover dynamic model gas generalized finite difference time domain GIL grounding grounding electrodes heat transfer model high impulse conditions high-frequency high-magnitude currents and impulse polarity hydrophobicity insulation health index ion flow field laying modes leakage current machine learning modelling non-uniform pollution between windward and leeward sides NSCT numerical modeling oil-paper insulation oil/paper insulation optical-UHF integrated detection outdoor insulators partial discharge partial discharge modeling partial discharges (PD) photoelectric fusion pattern plasma discharge polymeric insulation post insulator pressure random walk theory residual resistance formulation RF signal saline mechanism seasonal secondary arc shoreline short-circuit discharge silicone gel simulation soil resistivity space charge density space/interface charge surface discharge temperature Tettex 9520 thermal effect thermal parameters thermal properties tracking tracking test setup transformer asset management UFVM UHF sensor wavelet transform wide bandgap power modules wind speed XLPE |
| ISBN | 3-03928-717-6 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910404090803321 |
El-Hag Ayman
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| MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Outdoor Insulation and Gas Insulated Switchgears
| Outdoor Insulation and Gas Insulated Switchgears |
| Autore | Fofana Ph.D. ing. Chairholder |
| Pubbl/distr/stampa | Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 |
| Descrizione fisica | 1 electronic resource (246 p.) |
| Soggetto topico |
Technology: general issues
History of engineering & technology |
| Soggetto non controllato |
dynamic pollution model
reference insulators insulator structure coefficient natural pollution tests finite element method partial discharge protrusion gas-insulated system HVDC SF6 synthetic air insulator pollution humidity equivalent salt deposit density (ESDD) non-soluble deposit density (NSDD) leakage current post-installation study double exponential function indirect lightning medium voltage transformer spark gap filtered surge arrester energy-controlled switch ice-covered insulator characteristics extraction image processing method median filtering method entropy threshold segmentation modified Canny operator region growth method icing degree gas-insulated substations VFTO EMF modeling transient ground potential rise polymeric material thermoplastic thermoset elastomer epoxy resin electrical properties mechanical properties high-voltage applications partial discharges textured insulator artificial clean fog test dry bands discharges partial arcs monitoring HVDC outdoor insulators silicone rubber fumed silica ground silica dry-band arcing erosion performance outdoor insulators transmission and distribution pollution performance tracking erosion resistance overhead power lines atmospheric icing power outage anti-icing de-icing line design passive devices coatings mechanical methods thermal methods composite crossarm pollution flashover characteristics core diameter hydrophobicity umbrella structure voltage gradient flashover inception voltage arc propagation finite element method (FEM) |
| ISBN | 3-0365-5942-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910640000603321 |
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Fofana Ph.D. ing. Chairholder
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| Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||