Low Pressure Shaft’s Bear Vibration Treatment for a Supercritical Turbine

Zhanhui Liu; Jianbin Luo; Jing Yu Liu; Yibing Lu; Yu Jie Guo

doi:10.4028/www.scientific.net/AMR.614-615.446

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 614-615Low Pressure Shaft’s Bear Vibration Treatment for...

Low Pressure Shaft’s Bear Vibration Treatment for a Supercritical Turbine

Abstract:

The supercritical turbine, changed low pressure rotor’s blade in site, bear vibration over-proof seriously because of unbalance, reached rated speed after dynamic balance in site. The vibration of low pressure Ⅱshaft’s bear was still over-proof. And the bear vibration phase was anti-phase with the shaft vibration not only anti-phase but also in-phase. It was found that the bear vibration was highly related with the anti-phase component of shaft vibration after running date analysis. And the bear vibration was reduced obviously after the anti-phase component of shaft’s residual unbalanced mass reduced by dynamic balance in site.

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Periodical:

Advanced Materials Research (Volumes 614-615)

Pages:

446-451

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.614-615.446

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Online since:

December 2012

Authors:

Zhanhui Liu, Jianbin Luo, Jing Yu Liu, Yibing Lu, Yu Jie Guo

Keywords:

Correlation Analysis, Dynamic Balance, Supercritical, Turbine, Vibration

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References

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