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izvorni znanstveni rad · 2012

Lightning Critical Flashover Voltage of High Voltage Insulators: Laboratory Measurements and Calculations

Dalibor Filipović – Grčić

Sažetak

This paper presents the method for calculation of lightning critical flashover voltage (CFO) of high voltage insulators. Flashover occurrence on overhead transmission line insulators for 110 kV, 220 kV and 400 kV networks was studied using the leader progression model (LPM). Calculation results were compared to laboratory measurements and it was verified that presented method predicts CFO with good accuracy.

Ključne riječi

Lightning Critical Flashover Voltage Leader Progression Model High Voltage Insulators Laboratory Measurements Genetic Algorithm