Results 11 to 20 of about 9,079 (268)
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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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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Influence of Y–Bi–Co oxide doping on electrical performance of ZnO varistors based on simulation analysis [PDF]
International Journal of Ceramic Engineering &Science, Volume 7, Issue 1, January 2025.Simulation methods were used to help reveal the effect mechanism of Y, Bi, and Co dopants on ZnO varistors. It provides an important theoretical basis for the development of high‐performance varistor. Abstract ZnO varistors doped with Y2O3${\rm Y}_2{\rm O}_3$, Bi2O3${\rm Bi}_2{\rm O}_3$, and Co2O3${\rm Co}_2{\rm O}_3$ were analyzed for electrical ...
Zhengzheng Fu +7 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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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
Hongfeng Zhao +4 more
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Mathematical model predicting the heat and power dissipated in an electro-conductive contact in a hybrid woven fabric [PDF]
, 2020 Electro-conductive (EC) yarns can be woven into a hybrid fabric to enable electrical current to flow through the fabric from one component A to another component B. These hybrid fabrics form the bases of woven e-textiles.
De Mey, Gilbert +5 more
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Micro-Degradation Characteristics and Mechanism of ZnO Varistors under Multi-Pulse Lightning Strike
Energies, 2020 In view of the problem that ZnO varistors are often subjected to thermal breakdown and deterioration due to lightning strikes in low-voltage power distribution systems, this article used a 8/20 µs multi-pulse surge current with a pulse time interval of ...
Chunlong Zhang +4 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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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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