CAJ | 학술논문

为了更好认识调速器主配压阀在实际使用中出现的问题，以国内某大型水电站一次主配压阀阀套限位螺栓断裂事故为例，分析了主配阀芯卡阻继而拉断限位螺栓的事故起因、过程及后续处理措施。根据现场设备受损情况和设备运行环境，分析判断事故原因，并提出了预后措施。
위료경호인식조속기주배압벌재실제사용중출현적문제，이국내모대형수전참일차주배압벌벌투한위라전단렬사고위례，분석료주배벌심잡조계이랍단한위라전적사고기인、과정급후속처리조시。근거현장설비수손정황화설비운행배경，분석판단사고원인，병제출료예후조시。
A case study is presented on a main distributing valve fault of the governor system in a large generator unit which is caused by the fracture of the limiting bolt for valve jacket.Based on the field investigation of the device and the operation environment, causes and development process of the fault are analyzed.Some treatment measures are then pro-posed.