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The Influence of Voltage on Surface Resistivity of Outdoor Insulator

Roman Cimbala
Department of Electrical Power Engineering, Technical Univer

     Last modified: 2017-06-12

This article identifies the calculation of the parameters for an expanded equivalent model of insulation system based on Maxwell - Wagner theory for ceramic outdoor insulator. Debye independent polarization processes were under consideration. The values of a steady component of elementary polarization currents and time of responses were estimated. The main focus was aimed on voltage varied from 1 to 1000 V influence on of a steady element of charging current represented insulation resistivity in infinity time. Comparison between results from the time and frequency domain was carried out.


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