Results 11 to 20 of about 4,264 (203)

Computational Model and Experimental Validation of the Influence of Grain‐Boundary Parameters on the Electrical Performance of Arrester Varistor

International Journal of Ceramic Engineering & Science
From 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, Zongxi Zhang, Songhai Fan, Tao Cui, Donghui Luo, Pengfei Meng, Yue Yin, Jingke Guo   +7 more
doaj   +2 more sources

Analysis of the failure mechanism of ZnO varistors influenced by high‐resistance media based on multi‐field coupling simulation

High Voltage
This study focuses on the distribution of high‐resistance media (pores and spinels) within ZnO varistors and explores the mechanical and electrical failure mechanisms of varistors under different pulse actions.
Pengfei Meng, Yue Yin, Lei Wang, Jingke Guo, Zerui Li, Kai Zhou, Guangya Zhu, Yefei Xu   +7 more
doaj   +2 more sources

Influence of Y–Bi–Co oxide doping on electrical performance of ZnO varistors based on simulation analysis

International Journal of Ceramic Engineering & Science
ZnO varistors doped with Y2O3, Bi2O3, and Co2O3 were analyzed for electrical performance, microstructure, phase composition, and elemental distribution using electrical performance testing, scanning electron microscopy, X‐ray diffraction, and energy ...
Zhengzheng Fu, Zongxi Zhang, Songhai Fan, Tao Cui, Donghui Luo, Yue Yin, Pengfei Meng, Jingke Guo   +7 more
doaj   +2 more sources

Effect of the sintering temperature on the electrical properties of Y–Al‐doped ZnO varistors

International Journal of Ceramic Engineering & Science
To investigate the relationship between the electrical properties of Y–Al doped ZnO varistors and sintering temperature, in this study, we measured the voltage–current characteristics and electrical performance parameters of samples sintered at 1100∘C ...
Lei Wang, Hang Zhang, Kexin Zhang, Yubo Shen, Limin Qu, Yue Yin, Pengfei Meng, Jingke Guo   +7 more
doaj   +2 more sources

Case Study about the Energy Absorption Capacity of Metal Oxide Varistors with Thermal Coupling

Energies, 2019
Metal oxide varistors are applied today inside modern surge arresters for overvoltage protection for all voltage levels. Their main issue is the thermal activation of their crossing current, which could lead to complete destruction by thermal runaway ...
Flaviu Mihai Frigura-Iliasa, Sorin Musuroi, Ciprian Sorandaru, Doru Vatau   +3 more
doaj   +1 more source

Synthesis by Hydrothermal Treatment of ZnO-Based Varistors Doped with Rare Earth Oxides and Their Characterization by Impedance Spectroscopy

Crystals, 2020
ZnO-based ceramic varistors have shown excellent electrical and dielectric properties due to their characteristics microstructures represented by the arrangement of their grains and grain boundaries that allow the absorption and flow of energy when ...
J. Porcayo-Calderon, J.J. Ramos-Hernandez, C.D. Arrieta-Gonzalez, J.G. Chacon-Nava, J.G. Gonzalez-Rodriguez, E. Porcayo-Palafox, M. Sanchez-Carrillo, J.P. Flores-De los Rios, L. Martinez-Gomez   +8 more
doaj   +1 more source

Electronic properties of SnO2-based ceramics with double function of varistor and humidity sensor [PDF]

, 2009
This is the post-print version of the article. The official published version can be obtained from the link below - Copyright @ 2010 AD-Tech.Tin dioxide based varistor ceramics SnO2-Co3O4-Nb2O5-Cr2O3-xCuO (x=0; 0.05; 0.1 and 0.5) were made and their ...
Bulpett, R, Gaponov, AV, Glot, AB, Jimenez-Santana, G, Jones, BJ, Sandoval-García, AP   +5 more
core   +1 more source

Testing of High Voltage Surge Protection Devices for Use in Liquid Argon TPC Detectors [PDF]

, 2014
In this paper we demonstrate the capability of high voltage varistors and gas discharge tube arrestors for use as surge protection devices in liquid argon time projection chamber detectors.
Asaadi, J., Conrad, J. M., Gollapinni, S., John, J. M. St., Jones, B. J. P., Jostlein, H., Strauss, T., Wolbers, S., Zennamo, J.   +8 more
core   +2 more sources

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, Hertleer, Carla, Meul, Jeroen, Odhiambo, Sheilla Atieno, Van Langenhove, Lieva, Vasile, Simona-Ileana   +5 more
core   +2 more sources

Thermal behaviour analysis in a porcelain-housed ZnO surge arrester by computer simulations and thermography

High Voltage, 2019
In this article, an analysis of heat transfer in a porcelain-housed ZnO surge arrester is presented. Due to the fact that ZnO-based surge arresters are key components for protection and reliability of electrical systems, it is necessary to seek ...
Arthur F. Andrade, Edson G. Costa, Edson G. Costa, Josué M.B. Fernandes, Helem M.M. Alves, Cícero R.C. Amorim Filho   +5 more
doaj   +1 more source