Results 21 to 30 of about 479 (183)
Percolation effects in the capacitive properties of metal-oxide varistors in the range of high voltage [PDF]
Journal of Advanced Dielectrics, 2014 C–V characteristics of ZnO-based ceramic structures used in manufacturing high-voltage and low-voltage varistors of different chemical compositions and manufacturing techniques have been investigated. A correlation between the intensity of electric field
A. S. Tonkoshkur +2 more
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Journal of Asian Ceramic Societies, 2022 The global increase in electrical device consumption has escalated the demand for excellent surge protectors. As a state-of-the-art technology, varistor has received considerable attention due to its outstanding versatility and wide range of applications.
Muhamad Syaizwadi Shaifudin +8 more
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Electrical properties of structures based on varistor ceramics and polymer nanocomposites with carbon filler [PDF]
Journal of Advanced Dielectrics, 2019 The characteristics of a two-layer structure on the basis of the layers of varistor ceramics and polymeric PPTC nanocomposite being in thermal contact for the purpose of using it as a limiter of constant voltage and long-term varying electrical ...
A. S. Tonkoshkur, A. V. Ivanchenko
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Factors Influence on Electrophysical Parameters of the Composite Varistors
Nauka ta progres transportu, 2023 Purpose. Evaluation influence structural state polymer phase on the response voltage and coefficient nonlinearity of a multilayer varistor based on zinc oxide. Methodology. Zinc oxide consisted of 97% zinc oxide and 3% total oxides of Bi2O3, Co3O4, MnO2,
Sh. M. Ahadzade +2 more
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Cerâmica, 2006 A degradação elétrica de varistores à base de SnO2 foi estudada e verificou-se que na temperatura de 220 ºC ocorreu a degradação do material. Suas características foram recuperadas quando tratadas em atmosfera de O2, o que mostra que esta atmosfera é ...
M. M. Oliveira +6 more
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Effect of soda lime silica glass doping on ZnO varistor ceramics: dry milling method
Journal of Asian Ceramic Societies, 2020 There is a lack of reports where dry milling methods have been used in the preparation of varistor based ceramics. Dry milling methods have been demonstrated to be able to produce fine and homogeneous sample powders.
Nur Quratul Aini Ismail +2 more
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Switching Overvoltages Protection of Power Electronics Converters with Gate Turn-off Thyristors
Energy Engineering and Control Systems, 2021 Using the developed models in the “Simulink” visual programming environment of the “Matlab” application package using the “SimPowerSystem” and “Simscape Electrical” libraries, a comparative analysis of methods and techniques for limiting switching ...
Yevhen Fediv +3 more
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Varistores à base de SnO2: estado da arte e perspectivas [PDF]
Cerâmica, 2000 Este trabalho descreve a história dos varistores à base de SnO2. Nele são apresentadas as principais características deste novo sistema varistor e uma comparação direta com o sistema tradicional à base de ZnO, estabelecendo as vantagens e desvantagens. O
P. R. Bueno +5 more
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Investigation on the Physical Properties of Varistors According to Temperature
IEEE Access, 2022 This study aims to determine the basic physical properties of varistor, which is a protective element in a surge protection device (SPD) used to prevent damage to electric and electronic equipment due to lightning.
Ahran Min, Sin-Dong Kang, Jae-Ho Kim
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Synthesis of ZnO based nanopowders via a non-hydrolytic sol gel technique and their densification behaviour and varistor properties [PDF]
Processing and Application of Ceramics, 2010 Hexagonal nanocrystalline varistor grade ZnO particles with size 50 nm and the specific surface area of 28 m2/g have been prepared by non-aqueous gelation technique involving diethylene glycol and triethanolamine.
Shereef Anas +4 more
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