HXD2B型电力机车主变流柜轴隔离原因的研究探讨

Research on causes of shaft isolation in main converter cabinet of HX2B electric locomotive

针对HXD2B型机车运用中或C5修程后发生的典型主变流柜电气及冷却系统故障原因进行分析,结合现场案例进行研究探讨,找出解决问题的方法,降低故障率,确保机车质量持续稳定可靠。

The paper analyzes the causes of the typical electrical and cooling system failures that occur in main converter cabinet of HXD2B B locomotive during the operation or after the C5 repair process. Through research and discussion based on field cases, the methods to solve the problem are found out, which reduce the failure rate and ensure the continuous stability and reliability of locomotive quality.