数字仿真结果表明，本方法可准确识别故障电流和励磁涌流，即使在空载合闸于内部故障时，保护继电器也能迅速可靠动作，避免了采用二次谐波制动导致的误动问题。
The results of the digital simulation show that the method can identify fault current and energizing inrush current precisely and makes it rapid and reliable for the protective relay to …
本继电器可以作为超高压输电线路重合闸装置的选相元件。
This relay can be used as a new protection component to detect faulty phase for ultra-high voltage transmission lines.
该继电器采用集成电路构成，集线路的速断保护、过电流保护及三相一次重合闸于一体。
The relay is made up of integrated circuits. The line instantaneous overcurrent protection and overcurrent protection are combined with the once 3-phase reclosure application to form a whole body.
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