摘要
对某动车组(electric multiple unit,简称EMU)牵引供电系统故障模式影响与危害度进行研究,提高牵引供电系统的可靠性,进而提高高速列车运行可靠性。采用故障模式、影响及危害度分析(failure mode effect criticality analysis,简称FMECA)的方法,提出了牵引供电系统的可靠性框图,根据FMECA方法对牵引供电系统的16种主要故障展开研究,从故障发生概率及其影响的严重程度两个维度得到牵引供电系统危害性矩阵。通过危害性矩阵分析得出绝缘栅双极型晶体管(insulated gate bipolar transistor,简称IGBT)模块监控起作用故障、变压器油泵34-F55跳开故障、制冷风扇故障和变压器油流故障等4种危害度较高的故障,并提出相应的改进措施。列车现场运行反馈结果表明,该措施保证了牵引供电系统的运用可靠性,研究成果为动车组其他子系统的故障分析、维修决策和寿命管理提供了技术支持。
The fault model effect and criticality for the traction power supply system of the electric multiple unit(EMU)is studied to improve the reliability of both the traction power supply system and the highspeed train operation.The fault model effect and criticality analysis(FMECA)method is adopted,the reliability block diagram of the EMU traction power supply system is put forward,and 16 kinds of failures of the traction power supply system are studied.The traction power supply system hazard matrix is obtained from the two dimensions of failure probability and impact severity.Through analysis of this matrix,four important failures are identified that have the highest hazard degree:malfunction of the IGBT monitor module,trip off of transformer oil pump 34-F55,failure of the refrigeration fan,and failure of transformer oil flow.Meanwhile,some corresponding correcting actions are adopted.Feedback results show that the above measures ensure the operational reliability of the traction power supply system.The research outcome also provides useful support for other EMU subsystems in failure analysis,maintenance decisionmaking and life-management as well.
出处
《振动．测试与诊断》
EI
CSCD
北大核心
2016年第1期97-101,200,共5页
Journal of Vibration,Measurement & Diagnosis
基金
国家科技支撑计划资助项目(2009BAG12A01)
关键词
牵引供电系统
故障模式、影响及危害度分析
危害度矩阵
动车组
traction power supply system
fault model effect and criticality analysis(FMECA)
hazard matrix
electric multiple unit(EMU)
