Simultaneously improving the electrical properties and long-term stability of ZnO varistor ceramics by reversely manipulating intrinsic point defects

M Guo, X Zhao, W Shi, B Zhang, K Wu, J Li - Journal of the European …, 2022 - Elsevier
Excellent electrical properties and the improved long-term stability of ZnO varistor ceramics
were simultaneously achieved by do** NiO. The microstructural features were …

Effects of Dopants and Processing Parameters on the Properties of ZnO-V2O5-Based Varistors Prepared by Powder Metallurgy: A Review

MV Lungu - Materials, 2023 - mdpi.com
This article reviews the progress in develo** ZnO-V2O5-based metal oxide varistors
(MOVs) using powder metallurgy (PM) techniques. The aim is to create new, advanced …

Investigation The Effect of Particle Size and Annealing on the Performance of Nano/Micro Sized ZnO-Based Varistors

H Alharthi, R Sendi, Z Mohammed… - IOP Conference Series …, 2022 - iopscience.iop.org
In this study, the influence of different ZnO particle sizes and the oxygen annealing process
on the microstructure, and electrical properties of ZnO-based varistors was investigated. ZnO …

Study on the decrease of power loss during dc degradation of zinc oxide varistor ceramics

Z Hou, Y Zheng, M Guo, Y Wang… - … Materials and Power …, 2021 - ieeexplore.ieee.org
Zinc oxide (ZnO) varistor ceramics present excellent nonlinear current-voltage
characteristics so that they are widely used as core materials in overvoltage protection …

[PDF][PDF] Synergistic Effects of Pr6O11 and Co3O4 on Electrical and Microstructure Features of ZnO-BaTiO3 Varistor Ceramics. Materials 2021, 14, 702

MS Shaifudin, MSM Ghazali, W Kamaruzzaman… - 2021 - researchgate.net
This paper investigated the effects of Pr6O11 and Co3O4 on the electrical properties of ZnO-
BaTiO3 varistor ceramics. The Pr6O11 do** has a notable influence on the characteristics …

Research on the Current Waveform in Impulse Aging Experiment of ZnO Arresters in 500kV AC Filters

X Luo, J Deng, J Zhang, J Deng… - 2021 IEEE 4th …, 2021 - ieeexplore.ieee.org
The impulse aging experiment of the ZnO arrester is an important way to study its electrical
aging characteristics, and the 8/20 μs current waveform is usually used in the impulse aging …