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Glazed glass cap and pin insulators that have been removed from the transmission line, have electrical characteristics ensuring them to be reused and reinstalled on lower voltage distribution level lines. The electrical properties determination involving insulator resistance, self-capacitance, corona inception voltage and flashover voltage were measured using AC high voltage generating unit. The advantage...
This paper reports an investigation carried out in the laboratory on units of transmission line glass insulator samples using Dielectric Dissipation Factor (DDF) Test. Two groups of insulator samples were used in the study. The first group comprised of naturally field-aged insulators with different ageing periods→30, 20, 15, and >;10 years from a 132 kV transmission line which have exhibited different...
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