transformer undercurrent trip

例句：

1. 1. The transformer undercurrent trip is triggered when the current in the circuit exceeds a certain threshold.
   当电路中的电流超过某个阈值时，触发变压器过电流保护装置。
2. 2. This transformer undercurrent trip is designed to protect the equipment from damage caused by excessive current flow.
   这个变压器过电流保护装置旨在保护设备免受过大电流流经造成的损害。
3. 3. The transformer undercurrent trip is an essential safety feature that helps prevent electrical fires and other hazards.
   变压器过电流保护装置是一个重要的安全特性，有助于预防电气火灾和其他危险。