【摘要】 在定速空载工况下汽轮机转子振幅处于报警水平、在带负荷过程中汽轮机转子振动幅值大幅度攀升,超过保护动作值;诊断汽轮机转子存在中心孔进油、套装部件紧力不足故障,分别予以检修处理以后,在定速空载及负荷工况下机组振动稳定在优良水平范围以内,振动故障得以成功消除。更多还原

【Abstract】 Turbine rotor vibration amplitude at FSNL condition and load condition exceeded alarm and trip level respectively.Vibration malfunction diagnosis conclusion is that lube oil had been breathed into the center bore and there was lack of tension in shaft sleeves.Turbine rotor vibration amplitude stabilized satisfied level after overhaul and maintenance.更多还原