temporary ground potential rise 暂态地电位升高
There are several factors affecting neutral grounded transformers, among then, ground potential rise is most important.
对中性点接地变压器的影响因素包括多个，其中最主要的是地电位升。
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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