Results 1 to 10 of about 477 (182)
Dielectric Loss and Electrical Conductivity Behaviors of Epoxy Composites Containing Semiconducting ZnO Varistor Particles [PDF]
Molecules, 2022 Polymer nanodielectrics render a great material platform for exhibiting the intrinsic nature of incorporated particles, particularly semiconducting types, and their interfaces with the polymer matrix.
Li Lei +4 more
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A low leakage current (Co, Mn, Ta)-SnO2 varistor tailored by doping with chromium for power grids
Results in Physics, 2020 A SnO2 varistor which was prospected to be used in ultra-high voltages grids as an overvoltage protection element was developed. The SnO2 varistor was doped with Cr to improve the comprehensive electrical properties. The optimal electrical parameters are
Qingyun Xie
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International Journal of Ceramic Engineering & ScienceWhen the surge arrester is subjected to the working voltage for an extended period, it undergoes alternating current (AC) aging, which degrades the arrester's parameters and affects the safety of the power grid.
Lei Wang +4 more
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International Journal of Ceramic Engineering & ScienceThis paper investigates the impact of the microstructure of zinc oxide varistor ceramics on their electrical properties. The microstructure of varistor was characterized by Voronoi network, and the relationship between microstructure and electrical ...
Xiao Lei +5 more
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The Grain Growth Control of ZnO-V2O5 Based Varistors by PrMnO3 Addition [PDF]
Micromachines, 2022 In this study, the grain growth behaviour of ZnO-V2O5-based ceramics with 0.25–0.75 mol% additions of PrMnO3 was systematically investigated during sintering from 850 °C to 925 °C.
Maofeng Xu +8 more
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International Journal of Ceramic Engineering & ScienceFrom a materials‐computation perspective, this study integrates the electron‐excitation model of double Schottky‐barriers with a Voronoi network to characterize the microscopic electrical and structural properties of ZnO varistors.
Zhengzheng Fu +7 more
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Novel Ultrahigh-Performance ZnO-Based Varistor Ceramics [PDF]
ACS Applied Materials & Interfaces, 2021 Tian Tian +2 more
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Effect of Ni2O3 Doping on the Electrical Properties and Intrinsic Defect Concentration of ZnO Varistor Ceramics [PDF]
E3S Web of Conferences, 2020 With the development of high voltage transmission, there is an urgent need to develop ZnO varistor ceramics with high anti-aging properties. The key is to manipulate the intrinsic defect concentration of ZnO varistor ceramics precisely.
Guo Qirui +4 more
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Varistor coupling method and recommendation parameters for combination wave test
IET Science, Measurement & Technology, 2023 Varistor coupling is recommended by International Telecommunication Union in combination wave test waveforms of surge protective devices (SPD), although the varistor coupling method and recommendation parameters for the combination wave test are not well
Mi Zhou +6 more
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Percolation effects in dc degradation of ZnO varistors [PDF]
Journal of Advanced Dielectrics, 2015 For quantitative estimation of the degree of electrical disorder (electrical inhomogeneity) in ZnO varistor ceramics caused by a variation in the barrier height at different grain boundaries in a sample, the comparison of threshold electric fields ...
A. S. Tonkoshkur +2 more
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