北京交通大学学报2018，Vol.42Issue(2)：122-128,137,8.DOI:10.11860/j.issn.1673-0291.2018.02.017
大功率电力机车异步牵引电机的典型故障研究
Research on typical faults of asynchronous traction motor for high power electric locomotive
摘要
Abstract
Based on the study of phase current signal,two typical faults of high-power electric locomotive of asynchronous traction motor,including the fault of broken rotor bar and inter-turn short circuit of stator winding,are diagnosed,and the finite element model built under the condition of motor fault is simulated.The results show that the asymmetry of the three-phase current is caused by the motor fault.The three-phase current under fault condition is post-processed through the spectrum analysis method and the symmetrical component method,thus extracting fault features in order to diagnose the fault of broken rotor bar and inter-turn short circuit of stator winding effectively.The results from test are consistent with the simulation and theoretical analysis,which proves the correctness of the fault model and also verifies the effectiveness of the fault diagnosis method based on phase current signals.关键词
大功率电力机车/异步牵引电机/故障诊断/转子断条/匝间短路Key words
high power electric locomotive/asynchronous traction motor/fault diagnosis/broken rotor bar/inter-turn short circuit分类
信息技术与安全科学引用本文复制引用
张世聪..大功率电力机车异步牵引电机的典型故障研究[J].北京交通大学学报,2018,42(2):122-128,137,8.基金项目
中国铁路总公司科技研究开发计划课题(2016J002-A) （2016J002-A）
中国铁道科学研究院科技项目(2015YJ121)Science and Technology Research and Development Program of China Railway Corporation(2016J002-A) （2015YJ121）
Science and Technology Project of China Academy of Railway Sciences(2015YJ121) （2015YJ121）
