Vibration fault diagnosis method based on compositive characteristics of rotor vibration and stator current

被引：0
|
作者：
Shuting, Wan [1 ]
Yonggang, Li [1 ]
机构：
[1] North China Elect Power Univ, Sch Mech Engn, Baoding 071003, Peoples R China
来源：
Proceedings of the ASME Power Conference 2007 | 2007年
关键词：
generator; vibration; fault diagnosis; compositive characteristics; rotor vibration; stator current;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Rotor vibration characteristics are first analyzed, when the rotor winding inter-turn short circuit fault, the air-gap dynamic eccentricity fault, the air-gap static eccentricity fault and the imbalance fault occurs. Next, the generator stator current characteristics on the faults also were analyzed, the results show that the faults can't be diagnosed based only on rotor vibration characteristics or stator current characteristics. But considering the differences of compositive characteristics of the rotor vibration and stator current caused by different rotor faults, a new method of generator vibration fault diagnosis, based on compositive characteristics, is developed. Finally, the rotor vibration and stator current of a type SDF-9 generator is measured in the laboratory to verify the theoretical analysis presented above.
引用
收藏
页码：263 / 269
页数：7
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