ANALYSIS AND DISPOSAL OF VIBRATION ON ULTRA-SUPERCRITICAL TURBO-GENERATOR SET

CHEN Hua-gui1; TIAN Li21.Jiangsu Provincial Electric Power Testing and Research Institute Co Ltd

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ANALYSIS AND DISPOSAL OF VIBRATION ON ULTRA-SUPERCRITICAL TURBO-GENERATOR SET

更新时间：2025-09-28

- ANALYSIS AND DISPOSAL OF VIBRATION ON ULTRA-SUPERCRITICAL TURBO-GENERATOR SET
- Thermal Power Generation Vol. 38, Issue 6, Pages: 61-64(2009)
- 作者机构：
  
  1. 江苏省电力试验研究院有限公司
  2. 南京航空航天大学金城学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.3
- Published：2009
- 稿件说明：
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CHEN Hua-gui1, TIAN Li21.Jiangsu Provincial Electric Power Testing and Research Institute Co Ltd. ANALYSIS AND DISPOSAL OF VIBRATION ON ULTRA-SUPERCRITICAL TURBO-GENERATOR SET[J]. Thermal power generation, 2009, 38(6): 61-64.
DOI：

CHEN Hua-gui1, TIAN Li21.Jiangsu Provincial Electric Power Testing and Research Institute Co Ltd. ANALYSIS AND DISPOSAL OF VIBRATION ON ULTRA-SUPERCRITICAL TURBO-GENERATOR SET[J]. Thermal power generation, 2009, 38(6): 61-64. DOI：

摘要

针对江苏阚山电厂1号超超临界600MW汽轮发电机组起动调试期间发生异常振动的问题

通过振动监测

对采集的振动数据及图形进行研究分析

找出了发电机5号、6号轴承处轴振动严重超标主要是发电机外油挡间隙偏小、动静部分碰磨引起的。在此基础上

提出了相应的处理措施

如将外油挡梳齿齿尖修薄

控制在1～2mm。实施后成功地解决了机组振动偏大的问题

机组顺利起动。

Abstract

Directing against the abnormal vibration problem occurred during the time of start-up debugging of unit no.1 in Kanshan Power Plant

Jiangsu Province

through vibration monitoring

the collected vibration data and diagrams have been studied and analysed

finding out that the shaft vibration at bearings no.5 and no.6 of the generator was far in excess of the set standard mainly due to smaller gap on the outer oil retainer and impact-rubbing between movable and stationary parts in the generator.On basis of these

corresponding measures have been proposed

the tips of comb-teeth on the outer oil retainer being thinned out.After implementation

the problem of abnormal vibration of unit has been successfully solved

making the said unit to be smoothly strated up.

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