| 25MW汽轮发电机组油膜涡动振动诊断研究 |
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| 引用本文： | 赵斌,丁常富.25MW汽轮发电机组油膜涡动振动诊断研究[J].汽轮机技术,2007,49(1):49-51. |
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| 作者姓名： | 赵斌 丁常富 |
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| 作者单位： | 河北理工大学,唐山,063009;华北电力大学,保定,071003 |
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| 摘 要： | 分析了目前汽轮发电机组振动故障诊断方法存在的问题,提出了根据机组故障范围、振动频率特征等对非线性油膜涡动故障进行分层次诊断的正向推理振动诊断方法。并以诊断实例说明如何通过正向推理诊断振动故障,提高故障诊断准确率。
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| 关 键 词： | 汽轮发电机组 油膜涡动 振动故障 |
| 文章编号： | 1001-5884（2007）01-0049-03 |
| 修稿时间： | 2006-05-23 |
Research of Oil Membrane Whirl Vibration Fault Diagnosis for 25MW Steam Turbine-Generator Units |
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| ZHAO Bin,DING Chang-fu.Research of Oil Membrane Whirl Vibration Fault Diagnosis for 25MW Steam Turbine-Generator Units[J].Turbine Technology,2007,49(1):49-51. |
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| Authors: | ZHAO Bin DING Chang-fu |
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| Affiliation: | 1 Hebei Polytechnic University, Tangshan 063009, China; 2 North China Electric Power University, Baoding 071003 ,China |
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| Abstract: | The problems in the methods of fault diagnosis are analyzed.Considering fault range and vibration frequency etc,forward direction logic diagnostic method of hierarchical diagnostic strategy is put forward..and explain how to diagnosis vibration fault with forward direction logic,the accuracy of fault diagnosis is improved. |
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| Keywords: | steam turbine-generator unit oil membrane whirl vibration fault |
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