Investigations on the effect of ageing on charge de-trapping processes of epoxy–alumina nanocomposites based on isothermal relaxation current measurements

Investigations on the effect of ageing on charge de-trapping processes of epoxy–alumina nanocomposites based on isothermal relaxation current measurements

In this study, the relationship between thermal ageing and charge trapping properties of epoxy-based nanocomposites has been investigated. With ageing, any dielectric material undergoes thorough degradation. This degradation significantly affects the space charge accumulation and charge trapping beh...

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Bibliographic Details
Main Authors: Subhajit Maur, Nasirul Haque, Preetha Pottekat, Biswajit Chakraborty, Sovan Dalai, Biswendu Chatterjee
Format: Article
Language:English
Published: Wiley 2020-10-01
Series:IET Nanodielectrics
Subjects:
space charge
electric current measurement
alumina
nanocomposites
nanoparticles
ageing
dielectric materials
epoxy insulation
thermal degradation
shallow traps
epoxy-alumina nanocomposites
trapped charge accumulation
isothermal relaxation current measurements
thermal ageing
epoxy-based nanocomposites
dielectric material
space charge accumulation
insulation health
high-voltage direct current environment
ageing conditions
polarisation-depolarisation current measurements
dipolar relaxation
trap distribution characteristics
charge formation
irc measurements
pdc measurements
hvdc environment
al(2)o(3)
Online Access:https://digital-library.theiet.org/content/journals/10.1049/iet-nde.2020.0020

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https://digital-library.theiet.org/content/journals/10.1049/iet-nde.2020.0020

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