1 Introduction Since the commissioning of the turbine driven auxiliary feedwater pump,within three years operation,a series of failures have occurred,such as failure of over-speed trip gear,low output,high vibration,t...1 Introduction Since the commissioning of the turbine driven auxiliary feedwater pump,within three years operation,a series of failures have occurred,such as failure of over-speed trip gear,low output,high vibration,trip gear reset failure,and so on.According to the manufacturer’s advice and on-site maintenance experience,we carried out modification on展开更多
文摘1 Introduction Since the commissioning of the turbine driven auxiliary feedwater pump,within three years operation,a series of failures have occurred,such as failure of over-speed trip gear,low output,high vibration,trip gear reset failure,and so on.According to the manufacturer’s advice and on-site maintenance experience,we carried out modification on