Results 71 to 80 of about 247 (183)
Boundary breakdown time of ZnO varistors under nanosecond pulse current
AIP Advances, 2019 Conductive properties of zinc oxide (ZnO) varistor ceramics depend on the boundary barrier structure. By using the photoconductivity switches (PCSS) technology, the boundary breakdown characteristics of ZnO varistors for nanosecond electric pulse ...
Guangyong Xie, Mengyuan Wu, Wei Shi
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High Voltage, 2019 In this article, an analysis of heat transfer in a porcelain-housed ZnO surge arrester is presented. Due to the fact that ZnO-based surge arresters are key components for protection and reliability of electrical systems, it is necessary to seek ...
Arthur F. Andrade +5 more
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Simultaneously Enhanced Potential Gradient and Nonlinearity of ZnO Varistor Ceramics by MnO Doping with Nano-Sized ZnO Powders. [PDF]
Materials (Basel), 2021 Wang Y +8 more
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The Role of Polypyrrole in Electrical Properties of ZnO-Polymer Composite Varistors [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2017 Composite films on the base of ZnO with different weight percentages of polypyrrole have been prepared using the hot pressing method and their current-voltage characteristics have been studied. Results show that the films have nonlinear varistor behavior
Nasim Asaadi +3 more
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Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2003 ZnO esaslı varistörl e r çok bileşenli yarı iletkenseraınil\lerdir. Çok bileşe nli ollt;sit seranıiklerinelektrik s el da,ıra nışları hen1 malzemeninmikroyapısına henı de ZnO t a n e sınırlarında oluianürünlerin yapısına bağlidır.
Özlem YÜKSEL +2 more
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Discover ElectronicsZnO-based varistors are widely used in electrical equipment for surge protection. This research explores the influence of sintering parameters—such as sintering temperature, ramp rate and soaking time—on microstructure development and V-I characteristics
Muhammad Hassan +3 more
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Sample preparation and varistor physical properties measurement of ZnO+0.01Sb2O3 [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2003 The disc-shape ZnO+0.01Sb2O3 samples were prepared by standard ceramic techniques. The sample indicates white colour and was characterized by XRD. The prepared sample is varistor which shows breakdown field strength of 87.18 V/mm and non-linearity ...
Juggaroen, N, Casol, W., Panmatarith, T.
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The Simulation of Failure Modes on ZnO Varistors
IEEJ Transactions on Power and Energy, 2008 There are three main failure modes of ZnO varistors; thermal runaway, puncture and cracking. It is important from the operational point of view for user of ZnO surge arresters to know the fundamental mechanisms of these failure modes. I led many equations on these failures and simulated failure modes.
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Características microestructurales de varistores del sistema ZnO-BaO-P2O5
Boletín de la Sociedad Española de Cerámica y Vidrio, 1999 Ceramic materials based on the system ZnO-BaO show a great potential for varistor applications. However, the BaO rich phase located at the grain boundaries shows high solubility in water which causes severe damage of the materials.
Fernández, J. F. +5 more
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Cold-Sintered ZnO Ceramic Composites Co-Doped with Polytetrafluoroethylene and Oxides. [PDF]
Molecules, 2023 Xiao Y +7 more
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