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Open-Circuit Fault Detection and Location in AC - DC - AC Converters Based on Entropy Analysis

Author

Listed:
  • Cristina Morel

    (Ecole Supérieure des Techniques Aéronautiques et de Construction Automobile, ESTACA’Lab Paris-Saclay, 12 Avenue Paul Delouvrier–RD10, 78180 Montigny-le-Bretonneux, France)

  • Ahmad Akrad

    (Ecole Supérieure des Techniques Aéronautiques et de Construction Automobile, ESTACA’Lab Paris-Saclay, 12 Avenue Paul Delouvrier–RD10, 78180 Montigny-le-Bretonneux, France)

Abstract

Inverters and converters contain more and more power electronics switches which may subsequently affect their reliability. Therefore, fault detection and location are essential to improve their reliability and to ensure continuous operation. In this paper, an A C − D C − A C converter with three-phase inverter is investigated under permanent, single and multiple open-circuit fault scenarios. Many entropies and multiscale entropies are then proposed to evaluate the complexity of the output currents by quantifying their entropies over a range of temporal scales. Among the multitude of entropies, only some entropies are able to differentiate healthy from open-circuit faulty conditions. Moreover, the simulation results show that these entropies are able to detect and locate the arms of the bridge with open-circuit faults.

Suggested Citation

  • Cristina Morel & Ahmad Akrad, 2023. "Open-Circuit Fault Detection and Location in AC - DC - AC Converters Based on Entropy Analysis," Energies, MDPI, vol. 16(4), pages 1-20, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:4:p:1959-:d:1070296
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    References listed on IDEAS

    as
    1. Cristina Morel & Ahmad Akrad & Rabia Sehab & Toufik Azib & Cherif Larouci, 2022. "Open-Circuit Fault-Tolerant Strategy for Interleaved Boost Converters via Filippov Method," Energies, MDPI, vol. 15(1), pages 1-23, January.
    2. Younis M. Nsaif & Molla Shahadat Hossain Lipu & Aini Hussain & Afida Ayob & Yushaizad Yusof & Muhammad Ammirrul A. M. Zainuri, 2022. "A New Voltage Based Fault Detection Technique for Distribution Network Connected to Photovoltaic Sources Using Variational Mode Decomposition Integrated Ensemble Bagged Trees Approach," Energies, MDPI, vol. 15(20), pages 1-20, October.
    3. Lei Yu & Youtong Zhang & Wenqing Huang & Khaled Teffah, 2017. "A Fast-Acting Diagnostic Algorithm of Insulated Gate Bipolar Transistor Open Circuit Faults for Power Inverters in Electric Vehicles," Energies, MDPI, vol. 10(4), pages 1-16, April.
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