| 摘要 |
PURPOSE:To enable analysis of an abnormality occurring process, by preparing an operational history of an individual motor based on data in an input data file containing time series operational data on the motor and performing protection management. CONSTITUTION:Operational data of motor are filed in time series into an input data file 3, and trip data contained therein are outputted to a logging section 9. A historical data file 4 prepares an individual operation history data file of each motor based on data provided by the input data file 3. An inclination judging section 5 compares the operation history data file with setting data to judge the degree of degrading inclination of each motor and files a degrading inclination data file into an inclination data file 6. |
