使用者可将继电器接地故障跳闸电流设置为高于最高值几毫安，以准确测量系统充电。
User is able to set the ground fault trip current of the relay just milliamps above the highest level, to accurately measure the system charging.
击距法计算的绕击跳闸率较规程法计算值要严重；
The round-strike switching ratecalculated by strike distance method is more serious than that by regulationsmethod.
计人感应雷击计算的总跳闸次数更接近实际运行值。
The total lightning outage rate is closer to the the practical running result.
计人感应雷击计算的总跳闸次数更接近实际运行值。
The total lightning outage rate is closer to the the practical running result.
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