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Estimation of state of paper electric insulation based on results of measuring recovered voltage

Based on the multicomponent analysis of the recovery voltage curve, a new approach to assessing the condition of electrical insulation has been justified that allows one to monitor changes in the volume charge state and electric conductivity of insulation using the results of one measurement. For ca...

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Published in:Russian electrical engineering 2010-05, Vol.81 (5), p.263-269
Main Authors: Kononenko, A. I., Khokhryakov, A. V.
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creator Kononenko, A. I.
Khokhryakov, A. V.
description Based on the multicomponent analysis of the recovery voltage curve, a new approach to assessing the condition of electrical insulation has been justified that allows one to monitor changes in the volume charge state and electric conductivity of insulation using the results of one measurement. For cables with impregnated paper insulation, this approach enables one to monitor typical defects in operation, such as drying out the impregnation compound and humidifying the insulation along the entire trajectory of its aging from unfailing up to marginal state.
doi_str_mv 10.3103/S106837121005010X
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subjects Engineering
Machines
Manufacturing
Processes
title Estimation of state of paper electric insulation based on results of measuring recovered voltage
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