no-excitation detection relay

例句：

1. 1.The no-excitation detection relay is used to detect the presence of a fault in the power system without causing any disturbance to the normal operation of the system.
   无激励检测继电器用于在不影响系统正常运行的情况下检测电力系统中的故障。
2. 2. In this case, the no-excitation detection relay was used to prevent the accident from spreading further.
   在这种情况下，使用了无激励检测继电器来防止事故进一步蔓延。
3. 3. The no-excitation detection relay was designed to provide an early warning system for power system faults.
   无激励检测继电器被设计为电力系统故障的早期预警系统。