... 工频耐受电压 power frequency withstand 工频耐压 power frequency withstanding voltage 工频耐压 power frequency withstand voltage ...
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power frequency voltage withstanding 工频耐压
power frequency voltage withstanding characteristics 工频耐压特性
power frequency over-voltage withstanding time 工频过电压耐受时间
The test results show that the power frequency voltage withstanding characteristics of the insulation of protective relays are the key factor influencing tolerable ground potential rise.
结果表明，继电器绝缘的工频耐压特性是影响这一数值的关键因素。
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