CAJ | 학술논문

桃源水电站1号机组投入商业运行已经15个月，在C级检修期间，发现其上导流板脱落在前流道内，为此，业主单位邀请相关方面专业人员实施现场勘查，以深入分析事故原因。考虑到业主的经济损失、修复工期等因素，经过反复谨慎的分析研究，最终选定了最佳修复方案。实施修复处理以后，机组的运行状态稳定，表明修复效果良好。针对该事故的发生背景、流道内部检查结果、事故原因分析、修复方案的研讨过程及确定，以及修复处理过程作了详细介绍。
도원수전참1호궤조투입상업운행이경15개월，재C급검수기간，발현기상도류판탈락재전류도내，위차，업주단위요청상관방면전업인원실시현장감사，이심입분석사고원인。고필도업주적경제손실、수복공기등인소，경과반복근신적분석연구，최종선정료최가수복방안。실시수복처리이후，궤조적운행상태은정，표명수복효과량호。침대해사고적발생배경、류도내부검사결과、사고원인분석、수복방안적연토과정급학정，이급수복처리과정작료상세개소。
No. 1 generator unit of Taoyuan Hydropower Station has been put into operation for 15 months. As the upper flow deflector of the generator was found in Class-C overhaul to have detached from the generator and fallen into the upstream flow channel, the project owner asked specialists in related fields to conduct a field investigation to analyze the cause of the accident. Considering the economic loss of the project owner and the treatment duration, the optimal treatment scheme was selected through repeated and meticulous research and analysis. After the repair work, the unit was restored to stable operation, which proved the satisfactory effects of the treatment. The background of the accident, the inspection results of the interior of the flow channel, the cause analysis of the accident, the process of designing and determining the treatment scheme, and the treatment procedures are introduced in details.