汽轮发电机组轴承失稳转速修正公式的探讨  

Investigation on the Revision of the Formula for Calculating Stability Threshold Speed of Turbine-Generator Bearings

作　　者：史进渊[1] 龚汉声[1] 林振坤[1] 

机构地区：[1]上海发电设备成套设计研究所,上海200240

出　　处：《振动工程学报》1996年第2期173-176,共4页Journal of Vibration Engineering

摘　　要：对现用的汽轮发电机组轴承失稳转速的计算公式进行了修正,提出了修正公式。利用轴承失稳转速的分布参数和轴承现场故障数据,使用轴承的可靠性分析法确定修正系数,文中给出了应用实例。A revised formula for calculating the stability threshold speed of turbine-generator bearings is presented.With the help of distribution parameters of stability threshold speed of bearings as well as ac- quired fault data on site,a correction coefficient is found by means of reliability analysis method.A practi- cal example is given.

关 键 词：轴承 汽轮发电机组 稳定性 失稳转速 

分 类 号：TM311.01[电气工程—电机]