Littérature scientifique sur le sujet « High voltage insulating »
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Articles de revues sur le sujet "High voltage insulating"
Park, Herie, Dong-Young Lim et Sungwoo Bae. « Surface Discharge Mechanism on Epoxy Resin in Electronegative Gases and Its Application ». Applied Sciences 10, no 19 (24 septembre 2020) : 6673. http://dx.doi.org/10.3390/app10196673.
Texte intégralZhang, Guangquan, Xueqin Zhang, Bo Wang, Yujun Guo, Guoqiang Gao et Guangning Wu. « Study on the Discharge Characteristics along the Surface and Charge Movement Characteristics of Insulating Media in an Airflow Environment ». Energies 15, no 10 (18 mai 2022) : 3706. http://dx.doi.org/10.3390/en15103706.
Texte intégralLi, Chao, Lin Lin et Weidong Qu. « Study on insulation performance optimization of EMU high-voltage equipment box ». Journal of Physics : Conference Series 2195, no 1 (1 février 2022) : 012040. http://dx.doi.org/10.1088/1742-6596/2195/1/012040.
Texte intégralHayashi, Toshihiko, Toru Izumi, Tetsuro Hemmi et Katsunori Asano. « Insulating Properties of Package for Ultrahigh-Voltage, High-Temperature Devices ». Materials Science Forum 740-742 (janvier 2013) : 1036–39. http://dx.doi.org/10.4028/www.scientific.net/msf.740-742.1036.
Texte intégralRozga, Pawel, et Abderahhmane Beroual. « High Voltage Insulating Materials—Current State and Prospects ». Energies 14, no 13 (25 juin 2021) : 3799. http://dx.doi.org/10.3390/en14133799.
Texte intégralGuo, Gang, Hongda Li, Mingcheng Gao et Long Che. « Numerical simulation of the breakdown process of dielectric in high voltage pulse discharge ». Journal of Physics : Conference Series 2479, no 1 (1 avril 2023) : 012009. http://dx.doi.org/10.1088/1742-6596/2479/1/012009.
Texte intégralTian, Chen, Zhiping Zhu, Jianping Liao, Zhifeng Liu, Fan Gao, Yufei Chen et Zhenggang Wang. « The study of the electrical properties of nano insulating oil for submarine cables ». E3S Web of Conferences 522 (2024) : 01019. http://dx.doi.org/10.1051/e3sconf/202452201019.
Texte intégralRafiq, Muhammad, Muhammad Shafique, Anam Azam, Muhammad Ateeq, Israr Ahmad Khan et Abid Hussain. « Sustainable, Renewable and Environmental-Friendly Insulation Systems for High Voltages Applications ». Molecules 25, no 17 (27 août 2020) : 3901. http://dx.doi.org/10.3390/molecules25173901.
Texte intégralZhorniak, Liudmyla, Alexej Afanasiev, Vitaliy Schus et Oleksandr Levchenko. « To the problem of the shielding systems efficiency in constructions of extra-high voltage electrical apparatus ». Bulletin of NTU "KhPI". Series : Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no 1 (11) (23 juillet 2024) : 3–9. http://dx.doi.org/10.20998/2079-3944.2024.1.01.
Texte intégralMukherjee, Shubhankan, Adhir Baran Chattopadhyay et Sunil Thomas. « Electrostatic field theoretic approach to analyze the partial discharge phenomenon pertaining to insulation degradation ». International Journal of Engineering & ; Technology 7, no 2 (1 juin 2018) : 842. http://dx.doi.org/10.14419/ijet.v7i2.12095.
Texte intégralThèses sur le sujet "High voltage insulating"
Rux, Lorelynn Mary. « The physical phenomena associated with stator winding insulation condition as detected by the ramped direct high-voltage method ». Master's thesis, Mississippi State : Mississippi State University, 2004. http://library.msstate.edu/etd/show.asp?etd=etd-04042004-112949.
Texte intégralHuldén, Pierre. « Conductivity measurement on thick insulating plaque samples ». Thesis, KTH, Elektroteknisk teori och konstruktion, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-150956.
Texte intégralDen elektriska konduktiviteten är en av de viktigaste egenskaperna av HVDC kablars isolationsmaterial, XLPE, och den måste utvärderas noggrant. Mätning på fullskaliga kablar är tidskrävande och för att jämföra material används istället ofta tunna prover och normerade konduktivitetmätningsceller. En nackdel med denna metod är att bulkeffekterna blir mindre framträdande i mätningen och resultaten kommer att vara mindre representativa. Istället måste man utföra mätningen på tjockare prover och vid högre spänning. Detta examensarbete fokuserar på mätning av ledningsförmåga hos tjocka HVDC- isolationsprover under noggrant kontrollerade förhållanden och starka elektriska fält. I litteraturen finns det många olika metoder att mäta läckströmmar på, till exempel dielektrisk spektroskopi, PD, IV och PEA mätningar för att nämna några. I denna avhandling kommer ett tre-elektrod system att användas där en temperatursensor är monterad på ena elektroden. Systemet används för att både mäta läckströmmar och temperatur vid provet. Detta gör det möjligt att kontrollera temperatur och spänning oberoende av varandra vilket gjordes med hjälp av två Labview program. Det ena för att skapa ett schema och det andra användes som kontrollprogram för att styra utrustningen i cellen. Uppgiften var att kontrollera cellens funktion genom att erhålla rimliga repeterbara mätningar. Mätningarna gav rimliga resultat vilket indikerade att cellen fungerar tillfredställande. Syftet med mätningarna var att få en bättre förståelse för felfaktorer i mätsystemet som kan vara allt från att förbereda provet till att mäta läckström. Syftet med cellen är att undersöka isolationsegenskaperna på millimetertjocka pressade XLPE prover.
Zavattoni, Laëtitia. « Conduction phenomena through gas and insulating solids in HVDC gas insulated substations, and consequences on electric field distribution ». Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT063/document.
Texte intégralThe emergence of renewable energy leads to a development of new technologies for energy distribution across long distances. The latter will be based on High Voltage Direct Current (HVDC) to avoid capacitance losses. This network is interconnected using Gas Insulated Substation (GIS), which insulation is composed of pressurized gas (SF6) and solid insulators (epoxy resin), which have to withstand HVDC. The electric field is not anymore determined by permittivity of materials, but by resistivities and charge accumulation. In the case of an insulator with an interface with gas, electrons or ions will move across electric field lines and will charge the surface of the solid insulator. The behavior of insulator's properties (gas and solid) constitutes a major challenge for the development of HVDC GIS, to understand the charge relaxation/accumulation mechanisms.In this work, the characterization of solid insulator has first been investigated, based on a low-noise current measurement method. It is thus possible to measure the leakage current through samples and onto their surface, in a pressurized gas, at high electric field and for different temperatures. Those measurements permit to evidence that both volume and surface resistivities are strongly impacted by the increase of temperature and water concentration. It has also been shown that surface resistivity has a non-linear behavior with electric field. A numerical model was developed, to simulate experimental results, showing that the surface properties of the insulator can be implemented.Furthermore, the insulating properties of the gas were also investigated through different electric field geometry (coaxial and uniform), in order to estimate the contribution of current through gas on the charge accumulated on solid insulators. It has been found that a non-negligible current passes through the gas (~pA to nA). To determine the mechanisms responsible for such currents, the latter has been characterized depending on several parameters (electrode surface roughness, material nature, electric field, temperature and relative humidity). It revealed that the variations of currents are strongly impacted by the conditioning of the device and thus by the relative humidity adsorbed on electrodes and enclosure surfaces. In presence of a dry system (dry gas and device) low current were measured (~pA), which increases with temperature. On the contrary, in case of a “wet” system (humid gas and device) the current decreases with increasing temperature. Those results combined with the influence of the electrode roughness, strongly suggest a mechanism of charge injection at the electrode surface, enhanced by water adsorption.Finally, the results obtained for both solid and gaseous insulations are used to develop a numerical model with a shape close to the industrial application, and observe the modification of electric field distribution in presence of water concentration and temperature gradient. An estimation of current flowing through the insulator and gas is thus possible in case of uniform and gradient temperature.In conclusion, this work gives the variations of both volume and surface resistivities in an epoxy resin with temperature and electric field. It also evidences the major influence of relative humidity and temperature on charge injection mechanisms which contribute to the current measured through gas. The extensive characterization performed, enables to develop a simulation which predicts the variations of electric field distribution within an HVDC GIS
Yahyaoui, Hanen. « Matériaux isolants pour appareillages haute tension dans le domaine du courant continu : comportement et vieillissement ». Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS267.
Texte intégralThe development of high voltage dc equipment requires design according to specific criteria and including materials with appropriate properties. Indeed, while in ac the dielectric behaviour is mainly determined by permittivity, which varies little for the used materials with field and temperature at power frequency, the dc behavior is determined by highly non-linear volume and surface conductivity-related phenomena. Thus, it is well known that, in dc conditions, electric charge is injected and trapped in the bulk and on the surface, affecting the distribution of the electric field. Space charge accumulation is able to increase significantly the values of the field, thus accelerating ageing and increasing the risk of breakdown. The electrode nature, the field and temperature dependence of the electrical conductivity of the insulating material are key factors involved in the high dc field phenomena.Epoxy resins form an important category of polymeric insulating materials used in a wide range of electric power installations and equipment. In particular, they have been used especially as insulating supports for ac Gas Insulated Switchgear (GIS), because of their electrical and mechanical properties. However, the behaviour of these materials under high dc stress is less known and needs thorough investigation in view of dc applications.The purpose of this thesis is to investigate dielectric behavior of epoxy resins in order to assess their suitability for use in high DC voltage switchgear and define actions and criteria support for the design of such devices.We start by presenting the most important chemical thermal and dielectric properties of polymers as well as the various properties of the epoxy resin.Dielectric properties of the material at initial state with continuous temperature and electrical stress (loss factor, volume resistivity, thresholds and nonlinearity coefficients, surface resistivity, breakdown, evolution of space charge) are determined and investigated under dc fields at different temperatures
Silva, Igor. « Propriétés des matériaux isolants pour application dans les appareillages moyenne tension à tension continue ». Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALT043.
Texte intégralRecent advancements in direct-current technology from the high-voltage transport and low-voltage consumption have brought medium-voltage DC (MVDC) to the forefront. This thesis delves into the insulating DC properties of two commonly used materials in distribution equipment: epoxy filled with silica and silicone rubber.In a monolayer configuration, each material underwent extensive investigation, focusing on water sorption characteristics and electrical conduction. Current measurements were conducted to analyze conduction under various fields, temperatures, and water uptake conditions. Additionally, the Laser Pressure Pulse (LIPP) method was employed for space charge measurements as a complementary technique. The study extended to a bilayer configuration, combining both materials, with insights from monolayer experiments informing the properties of the bilayer and predicting field distribution.The DC conduction in epoxy exhibited high dependence on water absorption, with moisture influencing non-linearity and altering the conduction mechanism. Conversely, silicone demonstrated electrode-limited conduction, with current variations tied to water sorption through a saturation-limited mechanism. In a hypothetical bilayer configuration, where epoxy represents a type-C bushing and silicone serves as the cable termination, the field is expected to concentrate in the epoxy in dry environments, shifting to silicone as humidity increases. The thesis concludes with discussions on material selection strategies and the design of multi-layer configurations
Freye, Claudius [Verfasser], Frank [Akademischer Betreuer] Jenau et Thomas [Gutachter] Leibfried. « Methoden und Aspekte zur Leitfähigkeitsanalyse von Isolationsmaterialien der Kabeltechnologie und zur Isolationskoordination für Systeme der Hochspannungsgleichstromübertragung (HGÜ) : Methods and aspects for conductivity analysis of insulating materials in cable technology and for insulation coordination in high-voltage direct current transmission (HVDC) systems / Claudius Freye ; Gutachter : Thomas Leibfried ; Betreuer : Frank Jenau ». Dortmund : Universitätsbibliothek Dortmund, 2020. http://d-nb.info/1214887627/34.
Texte intégralBialek, Thomas Owen. « Evaluation and modeling of high-voltage cable insulation using a high-voltage impulse ». Diss., Mississippi State : Mississippi State University, 2005. http://library.msstate.edu/content/templates/?a=72.
Texte intégralLuo, Jing. « Novel insulation techniques for high voltage pulse transformers ». Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/13327.
Texte intégralHare, Richard W. « Modelling space charge in solid dielectrics ». Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.482030.
Texte intégralWallström, Stina. « Biofilms on silicone rubber for outdoor high voltage insulation ». Doctoral thesis, KTH, Fiber- och polymerteknik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171.
Texte intégralLivres sur le sujet "High voltage insulating"
Zhu, Daming. The detection of partial discharge in high voltage insulating materials, cable and cable terminations using acoustic emission techniques. Manchester : University of Manchester, 1996.
Trouver le texte intégralKind, Dieter, et Hermann Kärner. High-Voltage Insulation Technology. Wiesbaden : Vieweg+Teubner Verlag, 1985. http://dx.doi.org/10.1007/978-3-663-14090-0.
Texte intégralUshakov, Vasily Y. Insulation of High-Voltage Equipment. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07918-8.
Texte intégralArora, Ravindra, et Wolfgang Mosch. High Voltage and Electrical Insulation Engineering. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470947906.
Texte intégralArora, Ravindra. High voltage and electrical insulation engineering. Piscataway, NJ : IEEE Press, 2011.
Trouver le texte intégralCanadian Society of Civil Engineers., dir. High voltage insulator manufacture. [Montréal ? : s.n., 1991.
Trouver le texte intégralAbderrazzaq, Mohammad Hassan. High voltage composite insulation of water absorption. Manchester : University of Manchester, 1997.
Trouver le texte intégralKind, Dieter. High-voltage insulation technology : Textbook for electrical engineers. Braunschweig : Vieweg, 1985.
Trouver le texte intégralEngineers, Institution of Electrical, dir. Insulators for high voltages. London, U.K : Peter Peregrinus on behalf of the Institution of Electrical Engineers, 1988.
Trouver le texte intégralKreuger, F. H. Partial discharge detection in high-voltage equipment. London : Butterworths, 1989.
Trouver le texte intégralChapitres de livres sur le sujet "High voltage insulating"
Küchler, Andreas. « Insulating Materials ». Dans High Voltage Engineering, 301–54. Berlin, Heidelberg : Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-642-11993-4_5.
Texte intégralKind, Dieter, et Hermann Kärner. « Insulating Materials in High-Voltage Technology ». Dans High-Voltage Insulation Technology, 62–96. Wiesbaden : Vieweg+Teubner Verlag, 1985. http://dx.doi.org/10.1007/978-3-663-14090-0_2.
Texte intégralUshakov, Vasily Y. « Insulating Materials and System Design Selection ». Dans Insulation of High-Voltage Equipment, 3–11. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07918-8_1.
Texte intégralPagger, Ernst Peter, Norasage Pattanadech, Frank Uhlig et Michael Muhr. « Application of New Insulating Liquid in High Voltage Equipment ». Dans Biological Insulating Liquids, 141–230. Cham : Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22460-7_5.
Texte intégralUshakov, Vasily Y. « Methods for Improving the Dielectric Properties of Electric Insulating Materials and Media ». Dans Insulation of High-Voltage Equipment, 265–308. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07918-8_9.
Texte intégralVedral, Josef. « Partial Discharges in Insulating Systems of HV Electric Machines ». Dans Non-destructive Diagnostic of High Voltage Electrical Systems, 109–27. New York : River Publishers, 2023. http://dx.doi.org/10.1201/9781003394198-6.
Texte intégralSufian, A. T., E. Elzagzoug et D. H. Smith. « Optical Chromatic Monitoring of High-Voltage Transformer Insulating Oils ». Dans Advanced Chromatic Monitoring, 47–58. First edition. | Boca Raton : CRC Press, 2020. | Series : : CRC Press, 2020. http://dx.doi.org/10.1201/9780367815202-7.
Texte intégralZáliš, Karel. « Using expert systems in evaluation of high voltage insulating systems ». Dans Intelligent Systems for Manufacturing, 147–56. Boston, MA : Springer US, 1998. http://dx.doi.org/10.1007/978-0-387-35390-6_13.
Texte intégralUshakov, Vasily Ya, Alexey V. Mytnikov et Ikromjon U. Rakhmonov. « Insulating Materials and Media Used in High-Voltage Elements of Electric Power Systems ». Dans Power Systems, 81–116. Cham : Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38252-9_3.
Texte intégralMaladen, R., C. Preve et D. Piccoz. « Validation of a New Eco-friendly Insulating Gas for Medium and High Voltage Equipment ». Dans Lecture Notes in Electrical Engineering, 171–81. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58172-9_19.
Texte intégralActes de conférences sur le sujet "High voltage insulating"
Wang, Chaofan, Zhengyong Huang, Kai Zhang, Haochen Zuo, Jiachen Yao, Chen Zhao, Jian Li et Feipeng Wang. « Study on Dielectric Properties of Natural Ester Based Synthetic Insulating Oil ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676044.
Texte intégralYan, Sichen, Feipeng Wang, Jian Li, Bojun Li, Ying Zhang, Shi Li et Jian Zhou. « PVDF-SiO2 Composite Nanofilm for Insulating Oil Reviving ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676251.
Texte intégralKubiak, Mateusz, Filip Stuchala, Pawel Rozga, Fatih Atalar et Alsey Ersoy. « Experimental Validation of Impregnation Efficiency of GTL based Transformer Insulating Oils ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676268.
Texte intégralZuo, Haochen, Zhengyong Huang, Jian Li, Kai Zhang, Chaofan Wang et Jawad Ahmad. « Simulation Study on the Morphology of Streamer Propagation in Insulating Oil ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–5. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676033.
Texte intégralFagundes, Thallia F. D., Estàcio T. W. Neto et Gustavo P. Lopes. « Measurement of Partial Discharges in Distribution Transformers Immersed in Insulating Liquids ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676147.
Texte intégralZhao, Chen, Zhengyong Huang, Weigen Chen, Jian Li, Chaofan Wang, Kai Zhang, Jawad Ahmad et Kaiyi Tian. « Study on Physical Properties of Liquid Crystal Based FR3 Insulating Oil ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676257.
Texte intégralZeng, Ningyu, Juyi Pu, Zhengyong Huang, Bowen Lu et Jian Li. « The Effect of Air Bubbles on Streamer in Natural Ester Insulating Oils ». Dans 2024 IEEE International Conference on High Voltage Engineering and Applications (ICHVE), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/ichve61955.2024.10676299.
Texte intégralTrnka, Pavel, Jaroslav Hornak, Ondrej Michal, Martin Muzik et Pavel Prosr. « Biodegradable Insulating Liquids used in Paper Oil Insulating System ». Dans 2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2020. http://dx.doi.org/10.1109/ichve49031.2020.9279637.
Texte intégralTang, X., W. Sima, Y. Chen, P. Sun, J. Xu et Y. Huang. « Research on insulation failure characteristics of encapsulated insulating resin under impulse electric ». Dans 22nd International Symposium on High Voltage Engineering (ISH 2021). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2022.0295.
Texte intégralGuojun Lu, Qingdan Huang, Haoyong Song et Dezhi Zhang. « Influences of moisture content on insulation properties of vegetable insulating oil ». Dans 2014 International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2014. http://dx.doi.org/10.1109/ichve.2014.7035470.
Texte intégralRapports d'organisations sur le sujet "High voltage insulating"
Eager, G. S. Jr, G. W. Seman et B. Fryszczyn. Determination of threshold and maximum operating electric stresses for selected high voltage insulations : Investigation of aged polymeric dielectric cable. Final report. Office of Scientific and Technical Information (OSTI), novembre 1995. http://dx.doi.org/10.2172/212744.
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