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Asymmetric Multilevel Inverter Topology and Its Fault Management Strategy for High-Reliability Applications

Author

Listed:
  • Mohammad Fahad

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Mohd Tariq

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Adil Sarwar

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Mohammad Modabbir

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Mohd Aman Zaid

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Kuntal Satpathi

    (Energy Exemplar (Singapore) Pte Ltd., 9 Battery Road, Singapore 049910, Singapore)

  • MD Reyaz Hussan

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Mohammad Tayyab

    (Department of Electrical Engineering, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002, India)

  • Basem Alamri

    (Department of Electrical Engineering, College of Engineering, Taif University, Taif 21944, Saudi Arabia)

  • Ahmad Alahmadi

    (Department of Electrical Engineering, College of Engineering, Taif University, Taif 21944, Saudi Arabia)

Abstract

As the applications of power electronic converters increase across multiple domains, so do the associated challenges. With multilevel inverters (MLIs) being one of the key technologies used in renewable systems and electrification, their reliability and fault ride-through capabilities are highly desirable. While using a large number of semiconductor components that are the leading cause of failures in power electronics systems, fault tolerance against switch open-circuit faults is necessary, especially in remote applications with substantial maintenance penalties or safety-critical operation. In this paper, a fault-tolerant asymmetric reduced device count multilevel inverter topology producing an 11-level output under healthy conditions and capable of operating after open-circuit fault in any switch is presented. Nearest-level control (NLC) based Pulse width modulation is implemented and is updated post-fault to continue operation at an acceptable power quality. Reliability analysis of the structure is carried out to assess the benefits of fault tolerance. The topology is compared with various fault-tolerant topologies discussed in the recent literature. Moreover, an artificial intelligence (AI)-based fault detection method is proposed as a machine learning classification problem using decision trees. The fault detection method is successful in detecting fault location with low computational requirements and desirable accuracy.

Suggested Citation

  • Mohammad Fahad & Mohd Tariq & Adil Sarwar & Mohammad Modabbir & Mohd Aman Zaid & Kuntal Satpathi & MD Reyaz Hussan & Mohammad Tayyab & Basem Alamri & Ahmad Alahmadi, 2021. "Asymmetric Multilevel Inverter Topology and Its Fault Management Strategy for High-Reliability Applications," Energies, MDPI, vol. 14(14), pages 1-21, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4302-:d:595855
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    Citations

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    Cited by:

    1. Sajjad Ahmadi & Philippe Poure & Davood Arab Khaburi & Shahrokh Saadate, 2022. "A Real-Time Fault-Tolerant Control Approach to Ensure the Resiliency of a Self-Healing Multilevel Converter," Energies, MDPI, vol. 15(13), pages 1-16, June.
    2. Haroon Rehman & Mohd Tariq & Adil Sarwar & Waleed Alhosaini & Md Alamgir Hossain & Salem Mohammed Batiyah, 2022. "Single-Phase Fault Tolerant Multilevel Inverter Topologies—Comprehensive Review and Novel Comparative Factors," Energies, MDPI, vol. 15(24), pages 1-52, December.
    3. Jelena Loncarski & Cecilia Boström & Riccardo Mandrioli, 2022. "Power Electronic Circuits for Electric Drives and Renewable Energy Sources," Energies, MDPI, vol. 15(14), pages 1-2, July.
    4. Tito G. Amaral & Vitor Fernão Pires & Armando Cordeiro & Daniel Foito & João F. Martins & Julia Yamnenko & Tetyana Tereschenko & Liudmyla Laikova & Ihor Fedin, 2023. "Incipient Fault Diagnosis of a Grid-Connected T-Type Multilevel Inverter Using Multilayer Perceptron and Walsh Transform," Energies, MDPI, vol. 16(6), pages 1-18, March.

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