17万千瓦发电机组油膜失稳故障振动分析及处理.doc

17万千瓦发电机组油膜失稳故障振动分析及处理
           
            
摘  要：大型旋转机械轴瓦油膜失稳故障在实际应用中时有发生，其对设备的破坏程度大，诊断和故障处理较困难，本文介绍了17万千瓦发电机组油膜失稳故障振动分析及处理过程，对发电机组轴瓦油膜失稳故障的振动频谱、瓦温、以及轴承座标高等特征进行了探讨和分析。
关键词：发电机组  油膜失稳  故障诊断  频谱
           THE vibration analysis and treatment of 170MW
          generator of Power Plant
  Summary: Lage rotating machinery bush oil whirl error occurs in practical application usually.The degree of its damage is garet,The diagnosis and troubleshooting difficult.This articla introduces the process of the vibration error diagnosis.It investigates and analysis the vibration specrtum,thebearing temperture and elevation of the bearing box.
    Key Words: generator   oil whirl   error diagnosis   spectrum