abnormal overvoltage

例句：

1. 1.The power grid experienced an abnormal overvoltage during the storm.
   暴风雨期间电网经历了一次异常过电压。
2. 2. This device is designed to detect and prevent abnormal overvoltage.
   该设备旨在检测并预防异常过电压。
3. 3.The engineers carefully monitored the equipment to ensure that there were no abnormal overvoltages.
   工程师们仔细监测设备，确保没有异常过电压。