噪声与振动控制Issue(3)：149-152,162,5.DOI:10.3969/j.issn.1006-1335.2015.02.032
高速透平发电机轴向碰摩故障的试验
Experimental Study on Axial Rub-impact Fault of a High-speed Turbine Generator
摘要
Abstract
The axial rub-impact fault of a high-speed turbine generator was studied. The high-speed aerostatic bearing-rotor system with the structure of single span and four disks was considered. The time-frequency-amplitude waterfall dia-grams, spectrum structure and shaft center trajectory were analyzed to obtain the typical features of the axial rub-impact caused by the change of axial forces. The mechanism, development process and improvement measures of the axial rub-im-pact were analyzed. Experimental results show that the axial rub-impact is usually accompanied by sudden speed drop and sudden change of the shaft center trajectory, and wide working frequency band. The experiment may provide a reference for on-line monitoring, pattern recognition and fault diagnosis for axial rub-impact of turbine generators.关键词
振动与波/机械学/透平发电机/轴向碰摩/故障诊断Key words
vibration and wave/mechanics/turbine generator/axial rubbing/fault diagnosis分类
机械制造引用本文复制引用
边技超,付忠广,杨金福,于明涛,王正威..高速透平发电机轴向碰摩故障的试验[J].噪声与振动控制,2015,(3):149-152,162,5.基金项目
国家科技支撑计划项目（2012BAA11B02）；中央高校基本科研业务费专项资金资助（13XS10）；中央高校基本科研业务费专项资金项目 （）
