公开(公告)号：US09217708B2

公开(公告)日：2015-12-22

申请号：US14065531

申请日：2013-10-29

申请人： Mitsubishi Hitachi Power Systems, Ltd.

发明人： Norihito Yanagita ,  Tatsuro Kato ,  Takeshi Iwata

IPC分类号： G01N21/55 ,  G01N21/31 ,  G01N21/84 ,  H02K13/00 ,  H02K11/00 ,  G01N21/94

CPC分类号： G01N21/55 ,  G01N21/314 ,  G01N21/8422 ,  G01N2021/8427 ,  G01N2021/945 ,  G01N2201/0618 ,  H02K11/20 ,  H02K13/00

摘要： Disclosed are equipment and method for diagnosing the sliding condition of a rotating electrical machine that make it possible to achieve early detection of abnormal sliding with a simple configuration containing flexibly arranged elements and reduce the downtime and maintenance cost of the rotating electrical machine. The equipment for diagnosing the sliding condition of a rotating electrical machine includes a light source that emits light onto the sliding surface of a collecting brush relative to the surface of a rotating body of the rotating electrical machine, a light-receiving section that receives the light reflected from the sliding surface, and a determination section that processes a signal from the light-receiving section. The determination section detects an increase in a specific wavelength component of the reflected light to determine whether the sliding condition of the rotating body surface of the rotating electrical machine is abnormal.

摘要翻译： 公开了用于诊断旋转电机的滑动状态的设备和方法，其能够以包含灵活布置的元件的简单配置来实现异常滑动的早期检测，并且减少了旋转电机的停机时间和维护成本。 用于诊断旋转电机的滑动状态的设备包括：相对于旋转电机的旋转体的表面将光发射到集电刷的滑动面上的光源，接收光的光接收部 从滑动面反射的判定部和处理来自受光部的信号的判定部。 确定部分检测反射光的特定波长分量的增加，以确定旋转电机的旋转体表面的滑动状态是否异常。