龙马水电厂1号机组上导摆度异常分析及处理  

Analysis and Handling of Abnormal Upper Guide Swing of Unit 1 in Longma Hydropower Plant

作　　者：裴照亚 PEI Zhaoya(POWERCHINA SINOHYDRO ENGINEERING BUREAU 11 CO.,LTD.,Installation Branch,Zhengzhou 450000,China)

机构地区：[1]中国水利水电第十一工程局有限公司安装分局,河南郑州450000

出　　处：《云南水力发电》2025年第1期125-127,共3页Yunnan Water Power

摘　　要：龙马水电厂1号机组在不同的工况及负荷下,上导轴承的运行摆度变化很大,摆度值在90~330μm之间,机组在运行一段时间后上导摆度较刚开机时有所增加,超过规范规定的报警值,已经影响到发电机组的安全稳定运行。通过查看近几年的检修数据结首合机组运行的实际数据进行分析,确定是由于推力轴承弹性油箱渗漏导致压力值变化导致上导摆度异常,并采取相应处理措施。The operating runout of the upper guide bearing of Unit 1 of Longma Hydropower Plant varies greatly under different working conditions and loads,with runout values ranging from 90 to 330μm.After running for a period of time,the upper guide deflection of the unit has increased compared to when it was first started,exceeding the alarm value specified in the specifications,which has affected the safe and stable operation of the generator set.By analyzing the maintenance data of recent years combined with the actual operation data of the unit,it was determined that the abnormal upper guide deflection was caused by pressure changes due to leakage of the elastic oil tank of the thrust bearing,and corresponding measures were taken.

关 键 词：上导摆度 弹性油箱 压缩值 渗漏 

分 类 号：TV737[水利工程—水利水电工程]