大型旋转机械状态检测与故障诊断讲义沈立智阿尔斯通创为实技术发展（深圳）有限公司2006年12月目录第一节状态监测与故障诊断的基本知识................................................................4一、状态监测与故障诊断的意义.................................................................................4二、大机组状态监测与故障诊断常用的方法.....................................................................41.振动分析法...................................................................................................................................42.油液分析法...................................................................................................................................43.轴位移的监测...............................................................................................................................44.轴承回油温度及瓦块温度的监测...............................................................................................45.综合分析法...................................................................................................................................4三、有关振动的常用术语.....................................................................................................41.机械振动.......................................................................................................................................42.涡动、进动、正进动、反进动...................................................................................................43.振幅...............................................................................................................................................43.1振幅.............................................................................................................................................43.2峰峰值、单峰值、有效值.........................................................................................................43.3振动位移、振动速度、振动加速度.........................................................................................43.4振动烈度、振动标准.................................................................................................................44.频率...............................................................................................................................................44.1频率、周期.................................................................................................................................44.2倍频、一倍频、二倍频、0.5倍频、工频、基频、半频.......................................................44.3通频振动、选频振动.................................................................................................................44.4故障特征频率.............................................................................................................................45.相位...............................................................................................................................................45.1相位、相位差.............................................................................................................................45.2键相器.........................................................................................................................................45.3绝对相位..............
