The compressor is dynamical equipment in pipeline station to deliver oil gas, it’s fault can result big accident such as stopping delivery and producing economic losing, and some fault of compressor are very complex due to the compressor’s complicated structure. Many compressor have carried simple diagnostic system, which can only diagnose normal fault, are not effective for diagnosing complex fault because these fault attributes are not obvious. This paper has researched the method to diagnose complex fault, by collecting the compressor’s vibration signals, using wavelet noise reduction technique and the fractal dimension method to process the vibration signal, which can abstract the non-obvious characteristics of complex fault effectively. The basic principle of fractal method applied in fault diagnosis is described. The result implies that the fractal dimension of good compressor is 4.4, and the fractal dimension of faulty compressor is 5.36, and fractal dimension of compressor with complex faults is 5.42. It is illustrated that this method is very effective for describing the fault features and diagnosing the complex fault of complex. This method can diagnose and predict the complex fault with a high correctness, and has been used in the Shanxi-Beijing pipeline station successfully, Which provide a good tool for pipeline’s Safety and Integrity Management.
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2006 International Pipeline Conference
September 25–29, 2006
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
0-7918-4261-4
PROCEEDINGS PAPER
Research of Method to Diagnosing Complex Fault of Compressor in Pipeline Station
Zhao-Hui Wang,
Zhao-Hui Wang
University of Petroleum, Beijing, China
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Lai-Bin Zhang,
Lai-Bin Zhang
University of Petroleum, Beijing, China
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Wei Liang,
Wei Liang
University of Petroleum, Beijing, China
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Lixiang Duan
Lixiang Duan
University of Petroleum, Beijing, China
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Zhao-Hui Wang
University of Petroleum, Beijing, China
Lai-Bin Zhang
University of Petroleum, Beijing, China
Wei Liang
University of Petroleum, Beijing, China
Lixiang Duan
University of Petroleum, Beijing, China
Paper No:
IPC2006-10050, pp. 547-550; 4 pages
Published Online:
October 2, 2008
Citation
Wang, Z, Zhang, L, Liang, W, & Duan, L. "Research of Method to Diagnosing Complex Fault of Compressor in Pipeline Station." Proceedings of the 2006 International Pipeline Conference. Volume 1: Project Management; Design and Construction; Environmental Issues; GIS/Database Development; Innovative Projects and Emerging Issues; Operations and Maintenance; Pipelining in Northern Environments; Standards and Regulations. Calgary, Alberta, Canada. September 25–29, 2006. pp. 547-550. ASME. https://doi.org/10.1115/IPC2006-10050
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