Fault Diagnosis for IGBTs Open-Circuit Faults in Photovoltaic Grid-Connected Inverters Based on Statistical Analysis and Machine Learning
编号:163 访问权限:公开 更新:2020-10-22 19:50:21 浏览:180次 张贴报告

报告开始:2020年11月04日 16:05(Asia/Shanghai)

报告时间:5min

所在会场:[G] Poster session [G2] Poster Session 2 and Poster Session 7

摘要
A new fault diagnosis method for IGBTs open-circuit faults based on statistical analysis and machine learning is proposed to improve the reliability of photovoltaic power generation system. Firstly, empirical mode decomposition (EMD) is used to realize the adaptive filtering of the noise in three-phase current. Secondly, statistical analysis and generalized discriminant analysis (GDA) are used for feature extraction and feature dimensionality reduction. Then, BP neural network is used for fault pattern recognition. Finally, the rapidity and accuracy of the proposed method are verified by simulation experiments. At the same time, the proposed method is compared with the traditional feature extraction method based on fast Fourier transform (FFT) and EMD and principal component analysis (PCA)-based dimension reduction method. The results show that the proposed method has high fault recognition rate and simple neural network topology.
关键词
BP neural network;EMD noise reduction;GDA;inverter;open-circuit fault diagnosis
报告人
Hongyu Long
HeFei University of Technology

稿件作者
Hongyu Long HeFei University of Technology;School of Electrical Engineering and Automation
Mingyao Ma HeFei University of Technology;School of Electrical Engineering and Automation
Weisheng Guo HeFei University of Technology;School of Electrical Engineering and Automation
Fei Li HeFei University of Technology;School of Electrical Engineering and Automation
Xing Zhang HeFei University of Technology;School of Electrical Engineering and Automation
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重要日期
  • 会议日期

    11月02日

    2020

    11月04日

    2020

  • 10月27日 2020

    初稿截稿日期

  • 11月03日 2020

    报告提交截止日期

  • 11月04日 2020

    注册截止日期

  • 11月17日 2020

    终稿截稿日期

主办单位
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
承办单位
Huazhong University of Science and Technology
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