一起误碰跳闸事件原因分析

Analysis of the mistakenly hit trip events

继电保护工作是最能体现"细节决定成败"的工作,任何疏忽、纰漏都可能使继电保护不正确动作,都可能会造成电网设备损坏或电网事故,导致大面积停电,影响社会的生产、生活。在继电保护事故中,由于工作人员的过失造成的误碰、误接线、误整定在电力系统中屡见不鲜,近几年来,由于电力系统规模不断发展扩大,新人员增加等原因,继电保护误碰事件程逐年上升的趋势,这个问题不得不引起企业各级领导和专业人员的高度重视。防止继电保护误碰、误接线事故的发生是继电保护专业工作人员的头等大事,通过分析一起典型的误接线、误碰事件的原因,提出防止继电保护误碰、误接线事故的具体措施。

protection work is most embodies the ＂details determine the success or failure of the work, any negligence, omissions Incorrect Ac- tion of Protection could, may cause damage to the power grid equipment or grid accident, resulting in a large area blackout affecting socialpro- duetion life. Relay accident, caused due. to the negligence of the staff mistakenly touch the wrong wiring, mistakenly setting not uncommon in the power system, the last few years, due to the size of the power system continues to grow, the increase in new staff and other reasons, relay protection misuse the touch events drive an increasing trend, this problem had caused attaches great importance to all levels of corporate lead- ers and professionals. Prevent mistakenly touch relay, mistakenly wiring accidents is a top priority relay professional staff, by analyzing typical miswiring mistakenly hit the cause of the event,proposed to prevent the relay from mistakenly hit, mistakenly wiring accident specific mea-