high-frequency relay

例句：

1. 1. The high-frequency relay is used to protect the power system from overloads.
   高频继电器用于保护电力系统免受过载。
2. 2. In industrial control systems, high-frequency relays are often used for fault detection and isolation.
   在工业控制系统中，高频继电器常用于故障检测和隔离。
3. 3. The high-frequency relay was designed to handle the sudden surge in demand for energy during peak periods.
   高频继电器被设计来处理高峰时段对能源需求的突然激增。