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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 electronic resource (304 p.) |
| Soggetto non controllato |
artificial neural network
simulation high-frequency artificial flashover tests wide bandgap power modules tracking electrical field strength fast-rise square wave voltages FDTD simulation cable joint corona discharge feature selection post insulator earthing systems wind speed surface discharge oil/paper insulation oil-paper insulation high-magnitude currents and impulse polarity UFVM Tettex 9520 electrical tree flashover characteristics composite insulator partial discharge numerical modeling saline mechanism thermal parameters space charge density seasonal ion flow field denoising DDX 9121b temperature transformer asset management cavity discharge space/interface charge insulation health index heat transfer model leakage current machine learning partial discharges (PD) RF signal flashover high impulse conditions grounding electrodes generalized finite difference time domain curve fitting grounding plasma discharge outdoor insulators flashover dynamic model wavelet transform degradation thermal properties bipolar charge transport model UHF sensor cable random walk theory tracking test setup GIL pressure modelling non-uniform pollution between windward and leeward sides calibrator secondary arc polymeric insulation optical-UHF integrated detection shoreline dry band arcing photoelectric fusion pattern DDX 8003 XLPE silicone gel partial discharge modeling electric field analysis NSCT electrode’s geometry gas Comsol Multiphysics fast-impulses laying modes ageing cable ampacity residual resistance formulation finite element analysis thermal effect hydrophobicity soil resistivity charge simulation method short-circuit discharge dry band formation |
| 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 | ||
| ||