公开(公告)号：US20130030742A1

公开(公告)日：2013-01-31

申请号：US13558890

申请日：2012-07-26

Applicant: Arijit Banerjee ,  Somakumar Ramachandrapanicker ,  Haiyan Sun ,  Subhra Samanta ,  Srinivas Satya Sai Mallampalli

Inventor： Arijit Banerjee ,  Somakumar Ramachandrapanicker ,  Haiyan Sun ,  Subhra Samanta ,  Srinivas Satya Sai Mallampalli

IPC: G01R23/02 ,  G01R23/14 ,  G06F19/00

CPC classification number: G01R31/343

Abstract: A method for monitoring a synchronous machine is described. The method includes injecting a narrowband sinusoidal signal at a first end of a field winding of the synchronous machine. The method further includes monitoring a voltage at a second end of the field winding with respect to ground. The method then identifies a resonant frequency based on the monitored voltage, and generates a winding health indicator based on the identified resonant frequency and an expected resonant frequency.

Abstract translation: 描述了一种监视同步电机的方法。 该方法包括在同步电机的励磁绕组的第一端处注入窄带正弦信号。 该方法还包括监测场绕组相对于地的第二端的电压。 该方法然后基于所监视的电压识别谐振频率，并且基于所识别的谐振频率和期望的谐振频率来生成绕组健康指示器。