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High-voltage equipment condition monitoring and diagnosis system based on information fusion

  • ISNN 2008
  • Published:
Neural Computing and Applications Aims and scope Submit manuscript

Abstract

As high-voltage electric equipment has complex structure and works in harsh environments, fiber Bragg grating (FBG) sensors are applied to realize the real-time monitoring of some parameters in which temperature is the main parameter. Using FBG sensors to monitor temperature of high-voltage electric equipment can overcome the disadvantages of harsh monitoring environment such as high-voltage, big current, strong electromagnetic interference and so on. The fault of high-voltage electric equipment is difficult to be distinguished as there may be many different reasons. The traditional or simple methods cannot totally meet the demand of fault diagnosis of high-voltage electric equipment. First, taking neural network as a classifier to distinguish different fault types from complex fault information in the feature layer can supply a good foundation to final information fusion diagnosis. Second, Dempster–Shafer evidence theory is used to make a comprehensive diagnosis of fault information in the decision layer. All the uses above can increase the speed and accuracy of diagnosis and have practical significance. The fault diagnosis system shows good results and provides an effective way to realize the real-time condition monitoring and more accurate fault diagnosis of high-voltage electric equipment.

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Acknowledgments

This article was supported by the Natural Science Foundation of China (Grant No. 60674107), the Natural Science Foundation of Hebei Province (Grant No. F2006000343), and the Research and Development Plan of Science and Technology of Shijiazhuang (No. 06713026A).

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Author notes

  1. Zhenyu Wang

    Present address: College of Automation, Beijing Institute of Technology, 100081, Beijing, China

Authors and Affiliations

  1. College of Electrical and Information Engineering, Hebei University of Science and Technology, 050018, Shijiazhuang, China

    Yongwei Li, Zhenyu Wang, Xingde Han & Yalun Li

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  1. Yongwei Li
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  2. Zhenyu Wang
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Correspondence to Yongwei Li.

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Li, Y., Wang, Z., Han, X. et al. High-voltage equipment condition monitoring and diagnosis system based on information fusion. Neural Comput & Applic 18, 447–453 (2009). https://doi.org/10.1007/s00521-009-0248-0

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  • DOI: https://doi.org/10.1007/s00521-009-0248-0

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