Voltage biased Varistor-Transistor Hybrid Devices: Properties and Applications
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]
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
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]
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
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]
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
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]
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
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]
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

