Novel Ultrahigh-Performance ZnO-Based Varistor Ceramics [PDF]
ACS Applied Materials & Interfaces, 2021 The nonlinear response of a material to an external stimulus is vital in fundamental science and technical applications. The power-law current–voltage relationship of a varistor is one such example.
Tian Tian, Mateja Podlogar, Xun Shi
exaly +3 more sources
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
doaj +2 more sources
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
doaj +2 more sources
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
doaj +1 more source
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
doaj +1 more source
Influence of ambient temperature on electrical properties of varistor-positor structure
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2022 Recently, the combined two-layer structure based on varistor ceramics and polymer posistor nanocomposites with carbon filler (known as PolySwitch resettable fuses) has been seen as one of the promising elements for protecting electrical circuits from ...
Alexander Ivanchenko +1 more
doaj +1 more source
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
doaj +1 more source
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
core +2 more sources
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
doaj +1 more source