Impulse sparkover voltage
By Hans De Keulenaer / Published on Wed, 2008-05-07 11:34The highest value of voltage attained by an impulse of a designated wave shape and polarity applied across the terminals of a surge protective device prior to the flow of discharge current.
Source: UIE Guide to Quality of Electrical Supply for Industrial Installations, Part VI: Transient and Temporary Overvoltages and Currents
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