某型高速动车组牵引变流器主风机叶片故障分析及优化设计

Analysis of Troubles in Main Air Fan Blades in Traction Inverters on a Certain Type of High Speed Multiple Units and the Design of Optimization

对某型高速动车组牵引变流器故障主风机叶片进行了仿真分析及疲劳寿命评估,并提出了优化设计方案。

The simulation analysis and service life estimation are made for the main air fan blades in traction inverters on a certain type of high speed multiple units,and the scheme of optimization design is put forward.