350MW汽轮发电机组轴承振动不稳定的分析及处理  

Analysis and Treatment of Unstable Bearing Vibration in 350MW Turbine Generator Unit

作　　者：王志平[1] 田平[1] 姜雷[1] 

机构地区：[1]酒钢(集团)宏晟电热有限公司,甘肃嘉峪关735100

出　　处：《甘肃冶金》2015年第1期112-114,共3页Gansu Metallurgy

摘　　要：此次分析论证的机组为350MW超临界汽轮机配套的水氢氢冷发电机,在机组首次启动过程中出现发电机5号、6号轴承轴振动在3 000 r/min时持续增大无法稳定的现象。通过分析论证,制定了行之有效的处理措施,并进行实施,保证了机组各轴承振动在启动、带负荷等各阶段处于良好水平。During start up of water-hydrogen-hydrogen cooled generator for the 350MW supercritical steam turbine unit, the bearing shafts in the 5th and 6th generators demonstrated continuous increasing vibration in operation speed of 3000r/min.Through analysis and reasoning, effective treatment measures were formulated and implemented, ensuring each bearing vibration unit in good level in startup and operation periods.

关 键 词：发电机轴承 轴振动 油膜压力 

分 类 号：TH133.3[机械工程—机械制造及自动化]