Cause Analysis of Abnormal Vibration of Water Guide Bearing in a Bulb Tubular Unit

XIAO Qizhi; HUANG Bo; LIU Changyao; FU Liang; XIE Jiemin

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Cause Analysis of Abnormal Vibration of Water Guide Bearing in a Bulb Tubular Unit

更新时间：2025-11-18

- Cause Analysis of Abnormal Vibration of Water Guide Bearing in a Bulb Tubular Unit
- Vol. 40, Issue 3, Pages: 34-37(2020)
- 作者机构：
  
  1. 马迹塘水电厂
  2. 国网湖南省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV738
- Published：2020
- 稿件说明：
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[1]肖启志,黄波,刘畅尧,付亮,谢捷敏.某灯泡贯流式机组水导轴承异常振动原因分析[J].湖南电力,2020,40(03):34-37.

XIAO Qizhi, HUANG Bo, LIU Changyao, et al. Cause Analysis of Abnormal Vibration of Water Guide Bearing in a Bulb Tubular Unit[J]. 2020, 40(3): 34-37.
[1]肖启志,黄波,刘畅尧,付亮,谢捷敏.某灯泡贯流式机组水导轴承异常振动原因分析[J].湖南电力,2020,40(03):34-37. DOI：

XIAO Qizhi, HUANG Bo, LIU Changyao, et al. Cause Analysis of Abnormal Vibration of Water Guide Bearing in a Bulb Tubular Unit[J]. 2020, 40(3): 34-37. DOI：

摘要

对某水电厂灯泡贯流式机组的工程概况进行了介绍

对比正常工况与异常工况下水导轴承振动的负荷趋势、波形及频率进行故障分析。通过现场检查

找出故障原因是叶片与轮转室间隙卡有异物

并进行了原因分析

提出了针对性的优化措施。

Abstract

This paper introduces the general situation of bulb tubular turbine generator unit in a hydro-power plant

and analyzes the load trend

wave form and frequency of guide bearing vibration under normal and abnormal working conditions.Through on-the-spot inspection

it is found that the fault is caused by the foreign body stuck in the clearance between the blade and the rotary chamber.

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Related Author

LIU Changyao

XIAO Qizhi

FU Liang

XIE Jiemin

HUANG Bo

LIU Yong-hui2

ZHONG Ting1

HU Jue1

Related Institution

State Grid Hunan Electric Power Corporation Limited Research Institute

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