aif flashover did occur but no permanent damage resulted 如果飞弧发生了,但永久损伤没有发生[translate] aкоторыеобычноотсутствуютврационебольшинстваамериканцевитемнеменееважныдляздоровогофунк...
Where corona, ionization charge effects may occur, a dc test voltage is rec- ommended. The test voltages are applied for 1 minute. Compliance is established after the 1 minute test voltage, if insulation resistance specification is met (at the 500 V dc test), and there is no flashover or...