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End-to-End Partial Discharge Detection in Power Cables via Time-Domain Convolutional Neural Networks

  • Mohammad Azam Khan
  • Jaegul Choo
  • Yong-Hwa KimEmail author
Original Article

Abstract

The analysis of partial discharge (PD) signals has been identified as a standardized diagnostic tool in monitoring the condition of different electrical apparatus nowadays. In this paper, we propose a novel data-driven approach to detect PD pulses in power cables using one-dimensional convolutional neural networks (CNNs), a successful deep neural network approach. Applying this deep learning method, an end-to-end framework has been proposed considering the propagations of PD signals and noises in power cables. The proposed method uses PD pulses as input, automatically extracts meaningful features for waveforms of PD pulses, and finally detects PD. Most of the existing methods, which use traditional classifiers, such as support vector machines (SVMs) and multi-layer perceptron (MLP) have mainly focused on improving feature representation and extraction manually for this task. However, the proposed CNN-based detection algorithm captures important latent features for waveforms of PD pulses with the help of its automatic feature extraction capability from raw inputs. Our experimental results show that the proposed method is better than conventional SVMs and achieves 97.38% and 93.23% detection accuracies in end-to-end settings based on our theoretical model-generated and empirical real-world PD signals, respectively.

Keywords

Partial discharges Fault detection Power cable Deep neural networks Convolutional neural networks 

Notes

Acknowledgements

This research was supported by Korea Electric Power Corporation (Grant Nos: R17XA05-22 and R18XA01).

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Copyright information

© The Korean Institute of Electrical Engineers 2019

Authors and Affiliations

  • Mohammad Azam Khan
    • 1
  • Jaegul Choo
    • 1
  • Yong-Hwa Kim
    • 2
    Email author
  1. 1.Department of Computer Science and EngineeringKorea UniversitySeoulSouth Korea
  2. 2.Department of Electronic EngineeringMyongji UniversityYonginSouth Korea

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