四极凸极空冷发电机转子非典型振动故障的诊断与处理  

Diagnosis and Treatment of Atypical Vibration Fault of Rotor of Quadrupole Salient Pole Air-cooled Generator Rotors

作　　者：高超 叶开立 蔡华芳 GAO Chao;YE Kaili;CAI Huafang(Shanghai Electric Power Generation Equipment Co.,Ltd.Generator Plant,200240)

机构地区：[1]上海电气电站设备有限公司发电机厂,200240

出　　处：《电机技术》2024年第2期34-37,共4页Electrical Machinery Technology

摘　　要：针对某电厂四极凸极空冷发电机带负荷运行期间,轴承出现非典型的振动突变现象,依据振动测试数据,结合四极凸极空冷转子结构特征,初步确定造成转子振动异常的原因。通过对转子进行解体检查和处理,并经型式试验验证,解决了转子振动异常的问题,确保了机组的安全可靠运行。Aiming at the atypical vibration mutation phenomenon of the bearing during the on-load operation of the quadrupole salient pole air-cooled generator in a power plant,the causes of abnormal rotor vibration are preliminarily determined according to the vibration test data and combined with the quadrupole salient pole air-cooled rotor structure characteristic.Through the disassembly inspection&treatment of the rotor and the type test verification,the problem of abnormal rotor vibration is solved,ensuring the safe and reliable operation of the unit.

关 键 词：四极凸极空冷发电机 非典型振动突变 故障诊断 

分 类 号：TM307[电气工程—电机]