【摘要】 针对变电站缺乏各出口跳闸自保持继电器是否复归的监视,当进行保护联动试验时,可能造成开关误跳闸事故的情况。提出了1种可靠的解决方案,实现了出口跳闸自保持继电器的监视功能。实践证明,该方案具有一定的实用价值。更多还原

【Abstract】 Aiming at lack of monitoring on outlet latching relay of ABB protective tripping in substations, which may cause mistrip of switches in case of protective linkage test.The paper proposes a reliable solution, which implements the monitoring on outlet latching relay of protective tripping.It is practically proved that the solution is of use value.更多还原