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Grid-Forming-Mode Operation of Boost-Power-Stage Converter in PV-Generator-Interfacing Applications

Author

Listed:
  • Jukka Viinamäki

    (Laboratory of Electrical Energy Engineering, Tampere University of Technology, 33720 Tampere, Finland)

  • Alon Kuperman

    (Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel)

  • Teuvo Suntio

    (Laboratory of Electrical Energy Engineering, Tampere University of Technology, 33720 Tampere, Finland)

Abstract

The application of constant power control and inclusion of energy storage in grid-connected photovoltaic (PV) energy systems may increase the use of two-stage system structures composed of DC–DC-converter-interfaced PV generator and grid-connected inverter connected in cascade. A typical PV-generator-interfacing DC–DC converter is a boost-power-stage converter. The renewable energy system may operate in three different operation modes—grid-forming, grid-feeding, and grid-supporting modes. In the last two operation modes, the outmost feedback loops are taken from the input terminal of the associated power electronic converters, which usually does not pose stability problems in terms of their input sources. In the grid-forming operation mode, the outmost feedback loops have to be connected to the output terminal of the associated power electronic converters, and hence the input terminal will behave as a negative incremental resistor at low frequencies. This property will limit the operation of the PV interfacing converter in either the constant voltage or constant current region of the PV generator for ensuring stable operation. The boost-power-stage converter can be applied as a voltage or current-fed converter limiting the stable operation region accordingly. The investigations of this paper show explicitly that only the voltage-fed mode would provide feasible dynamic and stability properties as a viable interfacing converter.

Suggested Citation

  • Jukka Viinamäki & Alon Kuperman & Teuvo Suntio, 2017. "Grid-Forming-Mode Operation of Boost-Power-Stage Converter in PV-Generator-Interfacing Applications," Energies, MDPI, vol. 10(7), pages 1-23, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:1033-:d:105222
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    Citations

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    Cited by:

    1. Alessandro Labella & Filip Filipovic & Milutin Petronijevic & Andrea Bonfiglio & Renato Procopio, 2020. "An MPC Approach for Grid-Forming Inverters: Theory and Experiment," Energies, MDPI, vol. 13(9), pages 1-17, May.
    2. Yu-Chen Liu & Ming-Cheng Chen & Chun-Yu Yang & Katherine A. Kim & Huang-Jen Chiu, 2018. "High-Efficiency Isolated Photovoltaic Microinverter Using Wide-Band Gap Switches for Standalone and Grid-Tied Applications," Energies, MDPI, vol. 11(3), pages 1-15, March.
    3. Hwang, Duck-Hwan & Lee, Jung-Yong & Cho, Younghoon, 2018. "Single-phase single-stage dual-buck photovoltaic inverter with active power decoupling strategy," Renewable Energy, Elsevier, vol. 126(C), pages 454-464.
    4. Khairy Sayed & Mohammed G. Gronfula & Hamdy A. Ziedan, 2020. "Novel Soft-Switching Integrated Boost DC-DC Converter for PV Power System," Energies, MDPI, vol. 13(3), pages 1-17, February.
    5. Teuvo Suntio & Alon Kuperman, 2019. "Maximum Perturbation Step Size in MPP-Tracking Control for Ensuring Predicted PV Power Settling Behavior," Energies, MDPI, vol. 12(20), pages 1-19, October.
    6. Po Li & Ruiyu Li & Haifeng Feng, 2018. "Total Harmonic Distortion Oriented Finite Control Set Model Predictive Control for Single-Phase Inverters," Energies, MDPI, vol. 11(12), pages 1-15, December.
    7. Yiwang Wang & Chun Gan & Kai Ni & Xinhua Li & Houjun Tang & Yong Yang, 2017. "A Multifunctional Isolated and Non-Isolated Dual Mode Converter for Renewable Energy Conversion Applications," Energies, MDPI, vol. 10(12), pages 1-17, November.
    8. Xiangwu Yan & Xueyuan Zhang & Bo Zhang & Zhonghao Jia & Tie Li & Ming Wu & Jun Jiang, 2018. "A Novel Two-Stage Photovoltaic Grid-Connected Inverter Voltage-Type Control Method with Failure Zone Characteristics," Energies, MDPI, vol. 11(7), pages 1-17, July.
    9. Ishita Ray, 2021. "Review of Impedance-Based Analysis Methods Applied to Grid-Forming Inverters in Inverter-Dominated Grids," Energies, MDPI, vol. 14(9), pages 1-18, May.
    10. Ahmed Al Mansur & Md. Ruhul Amin & Kazi Khairul Islam, 2019. "Performance Comparison of Mismatch Power Loss Minimization Techniques in Series-Parallel PV Array Configurations," Energies, MDPI, vol. 12(5), pages 1-21, March.

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