Results 51 to 60 of about 215,655 (219)
International Journal of Ceramic Engineering &Science, Volume 7, Issue 2, March 2025.In this paper, a method to improve the performance of varistor with the help of computational model was presented and verified by experiments. Abstract This paper investigates the impact of the microstructure of zinc oxide varistor ceramics on their electrical properties.
Xiao Lei +5 more
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CrystalsZinc oxide (ZnO) varistors are a core component of surge arresters; their failure can directly affect the secure and reliable operation of power equipment.
Yong Wang +5 more
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Microstructural evaluation of rare-earth-zinc oxide-based varistor ceramics
Materials Research, 2005 Zinc oxide varistors are nonlinear voltage dependent ceramic resistors used to suppress and limit transient voltage surges. The work reported in this paper involves the relationship between microstructural characteristics and the varistor performance of ...
José Geraldo de Melo Furtado +4 more
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Advancements in wearable heart sounds devices for the monitoring of cardiovascular diseases
SmartMat, Volume 6, Issue 1, February 2025.This article presents the recent advancements in wearable and flexible heart sound devices, focusing on their mechanics, types of sensors, flexible sensing materials, and prospective denoising techniques. Furthermore, the potential applications of heart sounds for the monitoring of cardiovascular diseases are reviewed as well along with its future ...
Rafi u Shan Ahmad +5 more
wiley +1 more source
Applied SciencesMetal-oxide surge arresters (MOSAs) are critical devices for overvoltage protection in power systems, and the aging characteristics of their zinc oxide (ZnO) varistors under impulse and power-frequency voltages exhibit significant differences.
Yongqiang Fan +7 more
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Simulation of the Conductive Process of Nano ZnO Varistors Based on Animation Plane Form
Journal of Chemistry, 2020 Among many nano materials and chemical materials, zinc oxide nanomaterials have attracted researchers’ interest because of their high efficiency, low cost, easy preparation, and variable morphology. The purpose of this study is to explore the fabrication
Xin Liu
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High Voltage, Volume 10, Issue 1, Page 78-87, February 2025.Abstract Metal oxide varistors (MOVs) are extensively employed in DC circuit breakers (DCCBs) to suppress overvoltage, dissipate energy and build up voltage after interruption. Despite their widespread use, the performance of MOVs under short‐time, double energy absorption conditions is not well understood, posing a challenge to their application in ...
Chen Long +5 more
wiley +1 more source
Bio‐Plausible Multimodal Learning with Emerging Neuromorphic Devices
Advanced Science, Volume 11, Issue 45, December 4, 2024.Multimodal neuromorphic computing strives to achieve enhanced biologically plausible multimodal learning with low complexity and high energy‐efficiency. This review provides a comprehensive overview of bio‐plausible multimodal learning with emerging neuromorphic devices, specifically focusing on multimodal neuromorphic computing and their capabilities ...
Haonan Sun +7 more
wiley +1 more source
The correlation between surge energy capability and Bi 2 O 3 volatilization in ZnO varistors
, 2018 This study investigated the correlation between the surge energy capability and Bi 2 O 3 volatilization in ZnO varistors by analyzing the volatilization phenomenon of Bi 2 O 3 . A ZnO varistor is composed mainly of Sb 2 O 3 , Bi 2 O 3 .
Seung-Kyu Choi +2 more
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Applied Nanoscience, 2015 Pure and Co doped zinc oxide nanopowders have been synthesized by sol–gel route. The obtained powders, after calcination in air at 550, 650, 750 and 850 °C, were consolidated and sintered using microwaves.
S. Hamdelou, K. Guergouri, L. Arab
semanticscholar +1 more source