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Improvement in varistor properties of CaCu3Ti4O12 ceramics by chromium addition

open access: yesJournal of Materials Science and Technology, 2020
Edson Cezar Grzebielucka   +2 more
exaly   +2 more sources
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Sintering effect on varistor properties and degradation behavior of ZVMB varistor ceramics

Journal of Materials Science: Materials in Electronics, 2017
ZnO–V2O5–Mn3O4–Bi2O3 (ZVMB) varistor ceramics were sintered at a low temperature range of 800–875 °C, and the microstructure, electrical properties, dielectric characteristics, and DC-accelerated aging behavior were systematically investigated. Analysis of the microstructure indicated that the average grain size increased from 3.8 to 6.4 µm with the ...
C. Nahm
openaire   +2 more sources

The Calculation Model for ZnO Varistor Considering Micro-characteristics

2023 12th Asia-Pacific International Conference on Lightning (APL), 2023
The insulation level of power system is based on the overvoltage protection level of arresters. Zinc oxide(ZnO) varistor is widely used as the core element in power arrester and surge suppressor because of its excellent nonlinear voltage-current(V-I ...
Jingke Guo   +6 more
semanticscholar   +1 more source

Unclamped Inductive Switching Robustness of SiC Devices With Parallel-Connected Varistor

IEEE Transactions on Electron Devices, 2022
Unclamped inductive switching (UIS) robustness of SiC devices with parallel-connected varistor was evaluated to design the cutoff current capability of solid-state circuit breakers (SSCBs).
W. Saito, Z. Lou, S. Nishizawa
semanticscholar   +1 more source

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