Modeling of Polarization in Oil-Paper Insulation Using Recovery Voltage Measurements (CROSBI ID 170809)
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Filipović-Grčić, Božidar ; Filipović-Grčić, Dalibor ; Uglešić, Ivo
engleski
Modeling of Polarization in Oil-Paper Insulation Using Recovery Voltage Measurements
The state of the oil-paper insulation is a key factor for assuring a reliable operation of power transformers. Recovery voltage measurement is one of the methods utilized to estimate the polarization spectrum. Analysis of the polarization spectrum is used to evaluate the condition of the insulation with respect to moisture content and aging. In this paper, the elements which represent a polarization process are determined from recovery voltage measurement test results by using a new method based on genetic algorithm. The method was successfully tested on a simple circuit and then applied to two power transformers located in hydropower plants.
Genetic Algorithm; Oil-Paper Insulation; Polarization; Power Transformer; Recovery Voltage Measurement
Rad spada u kategoriju A jer je objavljen u znanstvenom časopisu koji je zastupljen u SCI– Expanded bazi (NN 84/05.) Journal Impact Factor from JCR Database: 1.364 ; Category Name: ENGINEERING, ELECTRICAL & ELECTRONIC ; Journal Rank in Category: 90 ; Quartile in Category: Q2
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Povezanost rada
Elektrotehnika