| 小波包分解在发电机组转子振动故障诊断中的应用研究 |
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| 引用本文： | 刘明利,傅行军,李艳.小波包分解在发电机组转子振动故障诊断中的应用研究[J].发电设备,2010,24(1):30-32. |
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| 作者姓名： | 刘明利 傅行军 李艳 |
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| 作者单位： | 东南大学,火电机组振动国家工程研究中心,南京,210096 |
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| 基金项目： | 863项目资助(编号:2007AA04Z400) |
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| 摘 要： | 为研究发电机组转子振动问题,从转子实验台上得到几种典型振动信号,分别进行了小波包分解和能量特征提取;并与海南某电厂燃气轮发电机组的现场振动信号进行了对比和研究。结果表明,小波包分析在发电机组振动故障诊断中能较好地识别故障类型。
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| 关 键 词： | 发电机组 转子振动 故障诊断 小波包分析 |
Application Research of Wavelet Packet Analysis in Fault Diagnosis of Rotor Vibration for Power Units |
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| LIU Ming-li,FU Xing-jun,LI Yan.Application Research of Wavelet Packet Analysis in Fault Diagnosis of Rotor Vibration for Power Units[J].Power Equipment,2010,24(1):30-32. |
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| Authors: | LIU Ming-li FU Xing-jun LI Yan |
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| Affiliation: | National Engineering Research Center of Vibration for Thermal Power Unit;South east University;Nanjing 210096;China |
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| Abstract: | In order to research the problem of rotor vibration in power unit,several typical vibration signal is received from experiment table of rotor,the wavelet packet analysis and distill of energy character separately are carried out,yet compared and researched with the site vibration signal of gas turbine power unit in some power plant of Hainan.The result indicates that the wavelet packet analysis can better identify the fault type in fault diagnosis of vibration for power unit. |
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| Keywords: | power unit rotor vibration fault diagnosis wavelet packet analysis |
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