Vibration Cause of a 660MW Turbine Incident Analysis and Handling

徐国生; 周天旺

doi:10.16056/j.1005-7676.2019.01.023

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Vibration Cause of a 660MW Turbine Incident Analysis and Handling

更新时间：2026-01-19

- Vibration Cause of a 660MW Turbine Incident Analysis and Handling
- Issue 1, Pages: 92-94(2019)
- 作者机构：
  
  国家电投江西公司
- 作者简介：
- 基金信息：
- DOI：10.16056/j.1005-7676.2019.01.023
  CLC： TM621
- Published：2019
- 稿件说明：
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[1]徐国生,周天旺.某660MW汽轮机振动原因分析及处理[J].能源研究与管理,2019(01):92-94.

徐国生, 周天旺. Vibration Cause of a 660MW Turbine Incident Analysis and Handling[J]. 2019, (1): 92-94.
[1]徐国生,周天旺.某660MW汽轮机振动原因分析及处理[J].能源研究与管理,2019(01):92-94. DOI： 10.16056/j.1005-7676.2019.01.023.

徐国生, 周天旺. Vibration Cause of a 660MW Turbine Incident Analysis and Handling[J]. 2019, (1): 92-94. DOI： 10.16056/j.1005-7676.2019.01.023.

摘要

围绕某电厂660 MW汽轮发电机组在A修后机组启动过程中振动异常的原因分析、处理过程和处理效果进行了论述

通过振动频谱特征分析

查明了汽轮机振动大的原因为汽封与转子碰摩导致转轴产生了热弯曲

在采取控制振动幅值的前提下让其动静摩擦等措施后收到明显的效果

为其他机组查找此类振动原因提供了参考。

Abstract

This article discussed the vibration cause of a 660 MW turbine during start-up process after unit class-A repair

incident handling and effect. Through the characteristic of vibration spectrum

found that the cause of vibration is the thermal bending of rotating shaft caused by rub-impact of steam seal and rotor

which is obtained by take measures such as dynamic and static friction under the premise of controlling the amplitude of vibration. It’s provided reference for finding out such vibrations causes of other units.

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