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A New Adaptive Approach to Control Circulating and Output Current of Modular Multilevel Converter

Author

Listed:
  • Muhammad Ishfaq

    (Department of Electrical Engineering, Pusan National University Busan, South Korea San 30, ChangJeon Dong, Pusandaehak-ro 63 7 beon-gil 2, Geumjeong-gu, Busan-city-46241, Korea)

  • Waqar Uddin

    (Department of Electrical Engineering, Pusan National University Busan, South Korea San 30, ChangJeon Dong, Pusandaehak-ro 63 7 beon-gil 2, Geumjeong-gu, Busan-city-46241, Korea)

  • Kamran Zeb

    (Department of Electrical Engineering, Pusan National University Busan, South Korea San 30, ChangJeon Dong, Pusandaehak-ro 63 7 beon-gil 2, Geumjeong-gu, Busan-city-46241, Korea
    Department of Electrical and Computer Science, National University of Engineering and Technology, Islamabad City 44000, Pakistan)

  • Imran Khan

    (Department of Electrical Engineering, Pusan National University Busan, South Korea San 30, ChangJeon Dong, Pusandaehak-ro 63 7 beon-gil 2, Geumjeong-gu, Busan-city-46241, Korea)

  • Saif Ul Islam

    (Department of Electrical Engineering, Pusan National University Busan, South Korea San 30, ChangJeon Dong, Pusandaehak-ro 63 7 beon-gil 2, Geumjeong-gu, Busan-city-46241, Korea)

  • Muhammad Adil Khan

    (Department of Electrical and Computer Science, Air University, Islamabad City 44000, Pakistan)

  • Hee Je Kim

    (Department of Electrical Engineering, Pusan National University Busan, South Korea San 30, ChangJeon Dong, Pusandaehak-ro 63 7 beon-gil 2, Geumjeong-gu, Busan-city-46241, Korea)

Abstract

This paper addresses the output current and circulating current control of the modular multi-level converter (MMC). The challenging task of MMCs is the control of output current and circulating current. Existing control structures for output and circulating current achieve control objectives with comparatively complex controllers and the designed parameters for the controller is also difficult. In this paper, an adaptive proportional integral (API) controller is designed to control the output current and the circulating current. The output current is regulated in α β axes while the circulating current is regulated in the a b c stationary frame to enhance MMC performance. The output and circulating current control results using an API controller are compared with the conventional proportional resonant (PR) controller in terms of transient response, stability, optimal performance, and reference tracking for results verification. The API control architecture significantly improve transient response, stability, and have excellent reference tracking capability. Moreover, it controls output current and converges the circulating current to a desired value. The control structure is designed for a three-phase MMC system, simulated and analyzed in MATLAB-Simulink.

Suggested Citation

  • Muhammad Ishfaq & Waqar Uddin & Kamran Zeb & Imran Khan & Saif Ul Islam & Muhammad Adil Khan & Hee Je Kim, 2019. "A New Adaptive Approach to Control Circulating and Output Current of Modular Multilevel Converter," Energies, MDPI, vol. 12(6), pages 1-17, March.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:6:p:1118-:d:216271
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    References listed on IDEAS

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    1. Kamran Zeb & Waqar U. Din & Muhammad Adil Khan & Ayesha Khan & Umair Younas & Tiago Davi Curi Busarello & Hee Je Kim, 2018. "Dynamic Simulations of Adaptive Design Approaches to Control the Speed of an Induction Machine Considering Parameter Uncertainties and External Perturbations," Energies, MDPI, vol. 11(9), pages 1-25, September.
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    Cited by:

    1. Jahangeer Badar Soomro & Faheem Akhtar Chachar & Madad Ali Shah & Abdul Aziz Memon & Faisal Alsaif & Sager Alsulamy, 2023. "Optimized Circulating Current Control and Enhanced AC Fault Ride-through Capability Using Model Predictive Control for MMC-HVDC Applications," Energies, MDPI, vol. 16(13), pages 1-19, July.
    2. Waqar Uddin & Kamran Zeb & Muhammad Adil Khan & Muhammad Ishfaq & Imran Khan & Saif ul Islam & Hee-Je Kim & Gwan Soo Park & Cheewoo Lee, 2019. "Control of Output and Circulating Current of Modular Multilevel Converter Using a Sliding Mode Approach," Energies, MDPI, vol. 12(21), pages 1-22, October.
    3. Mauricio Muñoz-Ramírez & Hugo Valderrama-Blavi & Marco Rivera & Carlos Restrepo, 2019. "An Approach to Natural Sampling Using a Digital Sampling Technique for SPWM Multilevel Inverter Modulation," Energies, MDPI, vol. 12(15), pages 1-16, July.
    4. Kamran Zeb & Muhammad Saqib Nazir & Iftikhar Ahmad & Waqar Uddin & Hee-Je Kim, 2021. "Control of Transformerless Inverter-Based Two-Stage Grid-Connected Photovoltaic System Using Adaptive-PI and Adaptive Sliding Mode Controllers," Energies, MDPI, vol. 14(9), pages 1-15, April.
    5. Stefano Farnesi & Mario Marchesoni & Massimiliano Passalacqua & Luis Vaccaro, 2019. "Solid-State Transformers in Locomotives Fed through AC Lines: A Review and Future Developments," Energies, MDPI, vol. 12(24), pages 1-29, December.
    6. Waqar Uddin & Tiago D. C. Busarello & Kamran Zeb & Muhammad Adil Khan & Anil Kumar Yedluri & Hee-Je Kim, 2021. "Control Strategy Based on Arm-Level Control for Output and Circulating Current of MMC in Stationary Reference Frame," Energies, MDPI, vol. 14(14), pages 1-20, July.

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