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Direct Power Control of a Single Stage Current Source Inverter Grid-Tied PV System

Author

Listed:
  • Erhab Youssef

    (INESC-ID, R. Alves Redol 9, 1000-029 Lisboa, Portugal
    DEEC, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal
    Electrical Power and Machines Department, Helwan University, Cairo 11795, Egypt)

  • Pedro B. C. Costa

    (INESC-ID, R. Alves Redol 9, 1000-029 Lisboa, Portugal
    DEEC, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal)

  • Sonia F. Pinto

    (INESC-ID, R. Alves Redol 9, 1000-029 Lisboa, Portugal
    DEEC, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal)

  • Amr Amin

    (Electrical Engineering and Renewable Energy Department, Oregon Institute of Technology, Campus Dr, Klamath Falls, OR 97601, USA)

  • Adel A. El Samahy

    (Electrical Power and Machines Department, Helwan University, Cairo 11795, Egypt)

Abstract

In this paper, a direct power predictive controller (DPPC) is derived for a current source inverter (CSI) based single stage photovoltaic (PV) system. The equations of the dynamics, including AC and DC filters, are formulated directly for the PV power and for the active and reactive power injected in the grid. Then, the prediction equations are synthesized straight for the power, and, at each time instant, the optimal switching vector that guarantees simultaneously the control of the power generated by the PV arrays, and the control of the reactive power in the connection to the grid is chosen. This approach aims to guarantee fast and accurate tracking of the power. The proposed system is then validated through simulation and experimental results, showing that the PV system is able to follow the power references, guaranteeing a fast response to a step in the power, and decoupled active and reactive power control, with minimum total harmonic distortion (<5%) of the currents injected in the grid.

Suggested Citation

  • Erhab Youssef & Pedro B. C. Costa & Sonia F. Pinto & Amr Amin & Adel A. El Samahy, 2020. "Direct Power Control of a Single Stage Current Source Inverter Grid-Tied PV System," Energies, MDPI, vol. 13(12), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:12:p:3165-:d:373231
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    References listed on IDEAS

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    1. Shuang Feng & Chaofan Wei & Jiaxing Lei, 2019. "Reduction of Prediction Errors for the Matrix Converter with an Improved Model Predictive Control," Energies, MDPI, vol. 12(15), pages 1-20, August.
    2. Miguel Chaves & José Fernando Silva & Sónia Ferreira Pinto & Elmano Margato & João Santana, 2017. "A New Backward Euler Stabilized Optimum Controller for NPC Back-to-Back Five Level Converters," Energies, MDPI, vol. 10(6), pages 1-16, May.
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    Cited by:

    1. Muhammad Husnain Ashfaq & Zulfiqar Ali Memon & Muhammad Akmal Chaudhary & Muhammad Talha & Jeyraj Selvaraj & Nasrudin Abd Rahim & Muhammad Majid Hussain, 2022. "Robust Dynamic Control of Constant-Current-Source-Based Dual-Active-Bridge DC/DC Converter Used for Off-Board EV Charging," Energies, MDPI, vol. 15(23), pages 1-33, November.

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