Vibration of 1000-MW Ultra-Supercritical Turbine-Generator Unit with Simens Technology

被引:0
|
作者
Zhang Xueyan
机构
关键词
1000-MW ultra-supercritical unit; vibration; single bearing support; rotor (thermal) unbalance; rotor dynamic (thermal) balance;
D O I
暂无
中图分类号
TM311 [汽轮发电机];
学科分类号
080801 ;
摘要
The layout features of unit shafting and their effects on vibration, as well as evaluation criteria, were introduced for a 1000-MW ultra-supercritical turbine-generator unit with Simens technology. Based on vibration diagnosis and treatment for more than 10 units, some typical vibration faults were summarized, such as the vibration fluctuation of the high pressure (HP) rotor, abnormal vibration increases of the No.3 bearing pedestal and large vibration of the exciter rotor during its critical speed range. The vibration characteristics and the causes of faults and countermeasures were analyzed. Three applications for further illustration were given. The vibration fault identification method, control measures, and applications can provide a reference for vibration diagnoses and treatment of same type units.
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页码:48 / 54 +58
页数:8
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