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This study presents a novel technique for estimation of contamination level as well as flashover voltage of outdoor insulators based on dielectric dissipation factor evaluated from the applied sinusoidal excitation and corresponding surface leakage current. Existing literature shows that surface leakage current of insulator is infested with odd harmonics though the applied voltage is sinusoidal in...
Transmission and distribution power network commonly use porcelain insulator for the isolation i.e. insulation between line conductors and supporting structure. Most of the insulators are mounting in open-air applications. So, gradually contamination is deposited in the surface of the insulator and reduced the voltage withstand capability of the insulator. This voltage withstands capability of the...
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