CHARACTERISTICS OF LOW-FREQUENCY VIBRATION FAULT CONCERNING SHAFTING OF STEAMTURBINE GENERATOR SETS AND DIAGNOSIS EXAMPLES THEREOF

WANG Yanbo

doi:10.19666/j.rlfd.2005.01.010

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CHARACTERISTICS OF LOW-FREQUENCY VIBRATION FAULT CONCERNING SHAFTING OF STEAMTURBINE GENERATOR SETS AND DIAGNOSIS EXAMPLES THEREOF

更新时间：2025-09-28

- CHARACTERISTICS OF LOW-FREQUENCY VIBRATION FAULT CONCERNING SHAFTING OF STEAMTURBINE GENERATOR SETS AND DIAGNOSIS EXAMPLES THEREOF
- Thermal Power Generation Issue 1, Pages: 32-35(2005)
- 作者机构：
  
  西安热工研究院有限公司,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.01.010
  CLC： TM311
- Published：2005
- 稿件说明：
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WANG Yanbo. CHARACTERISTICS OF LOW-FREQUENCY VIBRATION FAULT CONCERNING SHAFTING OF STEAMTURBINE GENERATOR SETS AND DIAGNOSIS EXAMPLES THEREOF[J]. Thermal power generation, 2005, (1): 32-35.
DOI：

WANG Yanbo. CHARACTERISTICS OF LOW-FREQUENCY VIBRATION FAULT CONCERNING SHAFTING OF STEAMTURBINE GENERATOR SETS AND DIAGNOSIS EXAMPLES THEREOF[J]. Thermal power generation, 2005, (1): 32-35. DOI： 10.19666/j.rlfd.2005.01.010.

摘要

汽轮发电机组轴系低频振动不一定由轴系失稳诱发。总结了油膜涡动、油膜振荡、汽流激振、动静碰摩

以及大不平衡诱发低频振动分量的机理、振动现象、振动响应频谱特征

给出现场故障诊断要点

并介绍若干机组轴系低频振动故障诊断处理实例

Abstract

The lowfrequency vibration concerning shafting of steamturbine generator sets isn't certainly induced by losing stability of the shafting

the mechanism

phenomenon

and response frequencyspecturm characteristics of lowfrequency vibration component induced by oilfilm whirling

oilfilm oscilation

steamflow exciting vibration

collision between movable and stationary parts

as well as by unbalance have been summarized up

giving key points of faut diagnosis in the field

some fault diagnosis and remedial examples of lowfrequency vibration for shafting of steamturbine generator sets being also presented.

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