Insulation co-ordination for continuous operating voltages and temporary overvoltages |
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Authors: | Zlatoje Zdravković Petar Vukelja Jovan Mrvić |
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Affiliation: | (1) Electrical Engineering Institute Nikola Tesla, Koste Glavinica 8a, 11000 Belgrade, Serbia and Montenegro |
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Abstract: | This paper presents an approach to the insulation co-ordination of electric-power installations in the scope of the continuous operating voltages and temporary overvoltages; this approach opens the possibility to calculate the necessary required withstand voltages of unit insulations for short-duration (1 min) power-frequency test voltage, with respect to continuous operating voltages and power-frequency temporary overvoltages and the necessary reliability of the operation of high-voltage power system installations. |
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Keywords: | Insulation co-ordination Disruptive discharge Continuous operating voltage Temporary overvoltage Reliability Withstand voltage |
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