Capacitance estimation for dc-link capacitors in a back-to-back converter based on Artificial Neural Network algorithm

The reliability of dc-link capacitors in power electronic converters is one of the critical aspects to be considered in modern power converter design. The observation of their ageing process and the estimation of their health status have been an attractive subject for the industrial field and hence...

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Vydáno v:2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia) s. 3682 - 3688
Hlavní autoři: Soliman, Hammam, Huai Wang, Blaabjerg, Frede
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.05.2016
Témata:
Artificial neural networks
Capacitance
Capacitors
Condition monitoring
Estimation
Power electronics
Training
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Abstract The reliability of dc-link capacitors in power electronic converters is one of the critical aspects to be considered in modern power converter design. The observation of their ageing process and the estimation of their health status have been an attractive subject for the industrial field and hence for the academic research field as well. The existing condition monitoring methods suffer from shortcomings such as low estimation accuracy, extra hardware, and also increased cost. Therefore, the developed methods of condition monitoring that are based on software solutions and algorithms could be the way out of the aforementioned challenges and shortcomings. In this paper, a pure software condition monitoring method based on Artificial Neural Network (ANN) algorithm is proposed. The implemented ANN estimates the capacitance of the dc-link capacitor in a back-to-back converter. The error analysis of the estimated results is also studied. The developed ANN algorithm has been implemented in a Digital Signal Processor (DSP) in order to have a proof of concept of the proposed method.
AbstractList The reliability of dc-link capacitors in power electronic converters is one of the critical aspects to be considered in modern power converter design. The observation of their ageing process and the estimation of their health status have been an attractive subject for the industrial field and hence for the academic research field as well. The existing condition monitoring methods suffer from shortcomings such as low estimation accuracy, extra hardware, and also increased cost. Therefore, the developed methods of condition monitoring that are based on software solutions and algorithms could be the way out of the aforementioned challenges and shortcomings. In this paper, a pure software condition monitoring method based on Artificial Neural Network (ANN) algorithm is proposed. The implemented ANN estimates the capacitance of the dc-link capacitor in a back-to-back converter. The error analysis of the estimated results is also studied. The developed ANN algorithm has been implemented in a Digital Signal Processor (DSP) in order to have a proof of concept of the proposed method.
Author Soliman, Hammam
Blaabjerg, Frede
Huai Wang
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  surname: Huai Wang
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  organization: Dept. of Energy Technol., Aalborg Univ., Aalborg, Denmark
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  givenname: Frede
  surname: Blaabjerg
  fullname: Blaabjerg, Frede
  email: fbl@et.aau.dk
  organization: Dept. of Energy Technol., Aalborg Univ., Aalborg, Denmark
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Snippet The reliability of dc-link capacitors in power electronic converters is one of the critical aspects to be considered in modern power converter design. The...
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SubjectTerms Artificial neural networks
Capacitance
Capacitors
Condition monitoring
Estimation
Power electronics
Training
Title Capacitance estimation for dc-link capacitors in a back-to-back converter based on Artificial Neural Network algorithm
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