鼠笼式异步电动机转子故障在线监测与诊断方法  

On-line rotor fault monitoring and diagnosis based on spectrum analysis of average instantaneous power for squirrel cage induction motors

作　　者：刘振兴[1] 尹项根[1] 张哲[1] 

机构地区：[1]华中科技大学电气与电子工程学院

出　　处：《电力自动化设备》2004年第1期30-33,共4页Electric Power Automation Equipment

摘　　要：提出了以平均瞬时功率为监测量进行鼠笼式异步电动机转子复合故障的监测与诊断方法。该方法不需要已知电动机的定/转子参数,可以实现复合故障的准确分离。理论分析和实验结果验证了该方法的有效性。An approach of on-line condition-monitoring and mixed fault diagnosis for squirrel cage induction motors is introduced.It is based on the spectrum analysis of average instantaneous power,which requires no stator or rotor parameters and has the ability to separate mixed rotor faults.Theoretical analysis and experimental results demonstrate its effectiveness.

关 键 词：鼠笼式异步电动机 故障 在线监测 诊断 频谱分析 

分 类 号：TM343[电气工程—电机] TM935.21