CAUSE ANALYSIS OF VIBRATION ON BEARING No.4 FOR STEAM TURBINE OF 300 MW UNIT

ZHANG Shan-peng1; XING Xiu-ping2 1.Shandong Electric Power Research Institute

doi:10.19666/j.rlfd.2008.01.024

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CAUSE ANALYSIS OF VIBRATION ON BEARING No.4 FOR STEAM TURBINE OF 300 MW UNIT

更新时间：2025-09-28

- CAUSE ANALYSIS OF VIBRATION ON BEARING No.4 FOR STEAM TURBINE OF 300 MW UNIT
- Thermal Power Generation Issue 1, Pages: 92-94(2008)
- 作者机构：
  
  1. 山东电力研究院
  2. 济南技术学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.01.024
  CLC： TK268
- Published：2008
- 稿件说明：
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ZHANG Shan-peng1, XING Xiu-ping2 1.Shandong Electric Power Research Institute. CAUSE ANALYSIS OF VIBRATION ON BEARING No.4 FOR STEAM TURBINE OF 300 MW UNIT[J]. Thermal power generation, 2008, (1): 92-94.
DOI：

ZHANG Shan-peng1, XING Xiu-ping2 1.Shandong Electric Power Research Institute. CAUSE ANALYSIS OF VIBRATION ON BEARING No.4 FOR STEAM TURBINE OF 300 MW UNIT[J]. Thermal power generation, 2008, (1): 92-94. DOI： 10.19666/j.rlfd.2008.01.024.

摘要

详细分析了国电蓬莱电厂1号机组4号轴承振动随转速、负荷以及真空的变化规律

认为4号轴承的异常振动为4号轴承座的支承刚度偏低所致。对此进行处理后

4号轴承振动瓦振小于20μm

轴振小于33μm。

Abstract

The regularity governing vibration of bearing no.4 for steam turbine no.1 in Guodian Penglai Power Plant along with variation of revolution speed

load

and vacuum has been analysed in detail

it is believed that the abnormal vibration of bearing no.4 is due to the support rigidity of bearing no.4 to be somewhat lower.After remedy of this

the bearing vibration(bearing shoe vibration)is less than 20 μm

and the shaft vibration being less than 33 μm.

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