Transient Model for Shafting Vibration of Hydro Turbine Generating Sets

查看全文 作　　者：Zeng [1]Yun;Zhang [1]Lixiang;Zhang [2]Chengli;Yu [2]Fengrong;Qian [3]Jing

机构地区：[1]Department of Engineering Mechanics Kunming University of Science and Technology;[2]Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology;[3]College of Electric Power Engineering Kunming University of Science and Technology

出　　处：《仪器仪表学报》索引2013年第34卷第S1期,共7页

基　　金：financially supported by the National Natural Science Foundation of China under Grant No.51179079 摘　　要：The shafting vibration is closely related to the rotational angular speed.The angular speed of hydro turbine generating sets(HTGS)is rapidly change in fault transient,it maybe reduce the shafting damage.By means of energy analysis,the differential equation of shafting vibration for the HTGS is derived,in which include the equation of generator rotor and hydro turbine runner,it can be applied to transient analysis.Shafting model is transformed into first order differential equation groups,and is combined with the motion equation of HTGS to build integrated model.Various additional forces of shafting are taken as input inspire in proposed model,the generality of model is good.At last,the shafting vibration in emergency stop transient is simulated. 关键词：HYDRO TURBINE GENERATING SETS SHAFTING VIBRATION transient model fault

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Transient Model for Shafting Vibration of Hydro Turbine Generating Sets

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