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The role of oxide optimization in improving the electrical properties of ZnO varistors
Journal of Materials Science: Materials in Electronics, 2021Fuad Alhaj Omar
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Modeling and Simulation of Varistors
2014This thesis treats various problems that arise in the context of varistors and microvaristors, which are are used for the suppression of transient overvoltages, due to their extraordinary nonlinear electrical conductivity. The present work is mainly motivated by the desire to simulate the behavior of high-voltage surge arresters used for lightning ...
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The physics of zinc oxide varistors
Journal of Applied Physics, 1977This paper presents a physical description of the action of ZnO varistors, which are complex ceramic bodies of ZnO grains sintered in an oxide flux; their conductivity is very low at low voltage, but becomes high after a certain breakdown voltage is reached. It is found that depletion layers in the ZnO adjacent to the intergranular layers of oxide flux
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Spinel Phases in ZnO Varistors
Physica Status Solidi (a), 1980K.-H. Bäther +4 more
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Change of Varistor Voltage of Metal-oxide Varistor Influenced by Impulse Currents
IEEJ Transactions on Power and Energy, 2015Naoyuki Tsukamoto, Masaru Ishii
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