DISCRETE DIAGNOSTIC MODEL OF A SET OF INSULATION DEFECTS OF HIGH-VOLTAGE EQUIPMENT
N. V. Kinsht, N. N. Petrunko
Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia
Keywords: diagnostics, defect, high-voltage equipment, partial discharges, mathematical modeling, coverage problem
Abstract
Partial discharges (PDs) appear in defects in the basic insulation of high-voltage electrical equipment (HVE) elements, which are inaccessible for direct measurements, but are the main diagnostic sign. The aim of this study is to build a correct diagnostic model of a defect in HVE insulation as a source of PD series and to study the problem of differential diagnosis of individual defects based on the interpretation of the integral picture of PD as a set of time instants of individual elementary PDs available for measurement. The idea of a mathematical problem of covering a set is used for diagnostics. A model example is considered.
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