ANALYSIS OF AND STUDY ON STEAM FLOW EXCITED VIBRATION TROUBLE FOR ULTRA-SUPERCRITICAL STEAM TURBINE

CAI Sun1; KAN Weimin2; XIE Danmei1; ZHENG Likun2; XIONG Yangheng11.College of Power and Mechanical Engineering

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ANALYSIS OF AND STUDY ON STEAM FLOW EXCITED VIBRATION TROUBLE FOR ULTRA-SUPERCRITICAL STEAM TURBINE

Thermal Power Generation Vol. 40, Issue 4, Pages: 37-40(2011)

更新时间：2025-09-28

- ANALYSIS OF AND STUDY ON STEAM FLOW EXCITED VIBRATION TROUBLE FOR ULTRA-SUPERCRITICAL STEAM TURBINE
- 作者机构：
  
  1. 武汉大学动力与机械学院
  2. 广东省电网公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK268.1
- Published：2011
- 稿件说明：
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CAI Sun1, KAN Weimin2, XIE Danmei1, et al. ANALYSIS OF AND STUDY ON STEAM FLOW EXCITED VIBRATION TROUBLE FOR ULTRA-SUPERCRITICAL STEAM TURBINE[J]. Thermal Power Generation, 2011, 40(4): 37-40.
DOI：

CAI Sun1, KAN Weimin2, XIE Danmei1, et al. ANALYSIS OF AND STUDY ON STEAM FLOW EXCITED VIBRATION TROUBLE FOR ULTRA-SUPERCRITICAL STEAM TURBINE[J]. Thermal Power Generation, 2011, 40(4): 37-40. DOI：

摘要

汽流激振是制约超超临界汽轮机安全性的关键因素之一。概括分析了国内外对汽轮机汽流激振的研究现状

并介绍了超超临界机组汽轮机汽流激振产生的原因、特征及其对轴系稳定性的影响。结合某电厂超超临界百万千瓦机组的振动实例

对汽轮机汽流激振进行了分析讨论

给出了治理汽轮机汽流激振的措施

实施后机组运行良好。

Abstract

The steam flow excited vibration(SFEV) is one of the key factors which restrict the safety of ultra-supercritical units.The status quo of studying SFEV at home and abroad has been briefly analysed

the causes leading to SFEV on steam turbine of ultra-supercritical units

the behavior of SFEV

and the influence of SFEV upon stability of the shafting system being presented.Combined with the practical examples of vibration on ultra-supercritical unit in one power plant

the SFEV on steam turbines has been analysed and discussed

and measures for rectifying SFEV on steam turbines being given

after implementation

the operation of unit is good.

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