The modification for the naturalfrequency and the mode of vibration of blade are needed to treat the fault of steam turbogenerator caused by it's blades.
为分析处理汽轮发电机组运行中因叶片振动引起的故障，需调整叶片的固有频率和振型。
2
The measurement accuracy and work efficiency are greatly improved by turbine bladenaturalfrequency measurement system based on industrial PC.
基于PC机的汽轮机叶片静态频率测量系统可大大提高测量的精确度和工作效率。
3
Analysis based on the failure characteristics indicates that the nylon gum on bottom of dovetail and the long term operation can significantly reduce the naturalfrequency of blade.