Results 41 to 50 of about 208,097 (225)
EnergiesWith the development of UHV transmission technology, large-tonnage disc-type suspension porcelain insulators have been widely used. Insulators with cylindrical heads have the advantages of light weight and high strength compared with traditional ...
Jianli Zhao +5 more
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Experiments on porcelain suspension insulator units [PDF]
Proceedings of the American Institute of Electrical Engineers, 1916 The author gives a very complete description of the experiments on porcelain suspension insulator units carried on at Stanford University by him and his assistants under the direction of Prof. H. J. Ryan. He explains the preliminary organization necessary, the scope of the tests, and the unusual equipment required to measure the very high resistance of
openaire +1 more source
Mechanism of saline deposition and surface flashover on high-voltage insulators near shoreline:mathematical models and experimental validations [PDF]
, 2019 This paper deals with sea salt transportation and deposition mechanisms and discusses the serious issue of degradation of outdoor insulators resulting from various environmental stresses and severe saline contaminant accumulation near the shoreline.
Chaudhary, Muhammad Akmal +2 more
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Parametric and nonparametric identification of shell and tube heat exchanger mathematical model [PDF]
, 2012 Parametric and nonparametric models of a shell and tube heat exchanger are studied. Such models are very important because they provide information about controlling a system operation. Without the model, the control task would be difficult for tuning
Khaerudini, D. S. +3 more
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The application of terahertz technology in ultra high voltage large tonnage insulator detection
Energy Reports, 2023 Among major nondestructive testing technologies (NDT), such as X-ray and ultra-sound, Terahertz (THz) waves present significant transmission rate through most of nonconductive materials without the need of applying couplant while posing zero ionized ...
Shengzhe Yang +4 more
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Mehran University Research Journal of Engineering and TechnologyInsulation is critical to reliable power system performance, including medium voltage cut-out fuse insulators that are crucial to protecting outdoor distribution lines, transformers, and equipment. In case of medium-voltage networks, these insulators are
Noor Nabi +3 more
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Методы и средства контроля открытой микроскопической пористости фарфоровых изоляторов [PDF]
, 2014 Розглянуті методи та засоби контролю фарфорових ізоляторів на наявність дефекту типу відкрита мікроскопічна пористість. Показано, що відкрита мікроскопічна пористість є найбільш небезпечним дефектом виробничого походження і є причиною більше 80% відмов ...
Galagan, R. М. +2 more
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AIP Advances, 2022 The infrared thermal image detection method has unique advantages in the field of low zero value diagnosis of porcelain insulators. However, since the length of the extra–ultra-high voltage (EHV–UHV) porcelain insulator string can reach more than 10 m ...
Xiaopo Mao, Xueming Zhou
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Sustainment of Insulation for High Voltage by the combination of Porcelain Insulators with cutting parts [PDF]
, 1994 A method of the sustainment of insulation for high voltage by porcelain insulators is to enclooe deeply both metal electrodes with the porcelain insulators. Therefore, the methode has a fundamental weak point of water stay after rainfalls.
作本 憲大 +5 more
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High Voltage, 2018 Currently, it is founded that under unidirectional wind and certain landform, composite insulators are always fan-shaped non-uniformly polluted. In this paper, artificial pollution tests on three types of composite insulators with different shed ...
Zhijin Zhang +5 more
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