Full States Digitized Modeling Method and Its Application in Maintenance Field of Hydroelectric Generating Units
Yitao Chen · Jisuanji fangzhen · 2008
In order to reduce the equipment downtime and the maintenance cost,the maintenance strategy in hydro power plants has to be progressively changed from time-based maintenance(TBM)to condition-based maintenance(CBM).The Full States Digitized Modeling(FSDM)method of Hydroelectric Generating Unit(HGU)was put forward based on the 3D Dynamic Modeling Method and the Distributed Physical Graphic-Net Modeling method to satisfy the demands of CBM.And then,the foundations, modeling steps,key technologies and aim of the FSDM method were introduced. According to the hydro turbine governing system,the methods and its modeling steps of FSDM method were particularly described with an application example of wobble gate main servomotor.Through introducing device digitized models’application in Hydropower plant,it is pointed out that the implementation of digitized modeling method in maintenance field is a great progress in course of device operation,maintenance and management.