CHARACTERISTIC ANALYSIS OF IMPACT-RUBBING BETWEEN MOVABLE AND STATIONARY PARTS ON TURBO-GENERATOR SET

GAO Xiang1; MU Fahai1; LU Shengyang1; WANG Wenying1; ZHOU Shumei2; LIN Yuesheng3; ZHAO Lihua31.Hebei Provincial Electric Power Research Institute

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CHARACTERISTIC ANALYSIS OF IMPACT-RUBBING BETWEEN MOVABLE AND STATIONARY PARTS ON TURBO-GENERATOR SET

Thermal Power Generation Vol. 40, Issue 8, Pages: 17-21(2011)

更新时间：2025-09-28

- CHARACTERISTIC ANALYSIS OF IMPACT-RUBBING BETWEEN MOVABLE AND STATIONARY PARTS ON TURBO-GENERATOR SET
- 作者机构：
  
  1. 河北省电力研究院
  2. 大唐保定热电厂
  3. 河北兴泰发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM311
- Published：2011
- 稿件说明：
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GAO Xiang1, MU Fahai1, LU Shengyang1, et al. CHARACTERISTIC ANALYSIS OF IMPACT-RUBBING BETWEEN MOVABLE AND STATIONARY PARTS ON TURBO-GENERATOR SET[J]. Thermal Power Generation, 2011, 40(8): 17-21.
DOI：

GAO Xiang1, MU Fahai1, LU Shengyang1, et al. CHARACTERISTIC ANALYSIS OF IMPACT-RUBBING BETWEEN MOVABLE AND STATIONARY PARTS ON TURBO-GENERATOR SET[J]. Thermal Power Generation, 2011, 40(8): 17-21. DOI：

摘要

结合某台机组运行过程中发生动静碰摩故障的数据

利用MATLAB小波变换功能对数据进行分析结果表明

发生局部碰摩和全周碰摩时

转子振动信号中均存在基频和倍频信号;局部碰摩波形存在突变

全周碰摩波形无突变。

Abstract

Combined with the data of impact-rubbing between movable and stationary parts occurred in operation process of one unit

the said data have been analysed by using MATLAB wavelet transformation function.Analysis of said data shows that the fundamental frequency signal and multiple frequency signal are existing in the rotor vibration signal whether in local impact-rubbing or in full arc impact-rubbing;in the wave shape of local impact-rubbing sudden changes have appeared

but in the waveshape of full arc impact-rubbing

sudden changes haven't appeared.

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