Results 21 to 30 of about 11,262 (263)

Voltage biased Varistor-Transistor Hybrid Devices: Properties and Applications

open access: yesAIMS Materials Science, 2015
The paper describes the properties and potential applications of a novel hybrid varistor device originating from biased voltage induced modified nonlinear current-voltage (I-V) characteristics.
Raghvendra K Pandey   +3 more
doaj   +1 more source

Size effect on properties of varistors made from zinc oxide nanoparticles through low temperature spark plasma sintering [PDF]

open access: yes, 2009
Conditions for the elaboration of nanostructured varistors by spark plasma sintering (SPS) are investigated, using 8-nm zinc oxide nanoparticles synthesized following an organometallic approach. A binary system constituted of zinc oxide and bismuth oxide
Angerer   +53 more
core   +2 more sources

Factors Influence on Electrophysical Parameters of the Composite Varistors

open access: yesNauka ta progres transportu, 2023
Purpose. Evaluation influence structural state polymer phase on the response voltage and coefficient nonlinearity of a multilayer varistor based on zinc oxide. Methodology. Zinc oxide consisted of 97% zinc oxide and 3% total oxides of Bi2O3, Co3O4, MnO2,
Sh. M. Ahadzade   +2 more
doaj   +1 more source

Current limiting and negative differential resistance in indium oxide based ceramics [PDF]

open access: yes, 2009
Indium oxide based ceramics with bismuth oxide addition were sintered in air in the temperature range 800-1300 ºC. Current-voltage characteristics of In2O3-Bi2O3 ceramics sintered at different temperatures are weakly nonlinear.
A.B. Glot   +41 more
core   +1 more source

Influência de dopantes doadores na degradação do varistor à base de SnO2 e o efeito do oxigênio pós-degradação nfluence of donor dopants on the degradation of SnO2 -based varistors and the effect of the oxygen post-degradation

open access: yesCerâmica, 2006
A degradação elétrica de varistores à base de SnO2 foi estudada e verificou-se que na temperatura de 220 ºC ocorreu a degradação do material. Suas características foram recuperadas quando tratadas em atmosfera de O2, o que mostra que esta atmosfera é ...
M. M. Oliveira   +6 more
doaj   +1 more source

Varistores à base de SnO2: estado da arte e perspectivas [PDF]

open access: yesCerâmica, 2000
Este trabalho descreve a história dos varistores à base de SnO2. Nele são apresentadas as principais características deste novo sistema varistor e uma comparação direta com o sistema tradicional à base de ZnO, estabelecendo as vantagens e desvantagens. O
P. R. Bueno   +5 more
doaj   +1 more source

Switching Overvoltages Protection of Power Electronics Converters with Gate Turn-off Thyristors

open access: yesEnergy Engineering and Control Systems, 2021
Using the developed models in the “Simulink” visual programming environment of the “Matlab” application package using the “SimPowerSystem” and “Simscape Electrical” libraries, a comparative analysis of methods and techniques for limiting switching ...
Yevhen Fediv   +3 more
doaj   +1 more source

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

open access: yes, 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.   +8 more
core   +2 more sources

Investigation on the Physical Properties of Varistors According to Temperature

open access: yesIEEE Access, 2022
This study aims to determine the basic physical properties of varistor, which is a protective element in a surge protection device (SPD) used to prevent damage to electric and electronic equipment due to lightning.
Ahran Min, Sin-Dong Kang, Jae-Ho Kim
doaj   +1 more source

Immittance Spectroscopy of Smart Components and Novel Devices [PDF]

open access: yes, 1994
AC small-signal immittance spectroscopy is employed as a viable tool to demonstrate electrical characterization, performance improvement, and quality assurance issues of smart materials-based components and novel devices. The variation in the ac response,
Alim, Mohammad Anwarul   +2 more
core   +3 more sources

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