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Design and Performance Evaluation of a Step-Up DC–DC Converter with Dual Loop Controllers for Two Stages Grid Connected PV Inverter


  • Muhammad Yasir Ali Khan

    (College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China)

  • Haoming Liu

    (College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China)

  • Salman Habib

    (College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China)

  • Danish Khan

    (School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Xiaoling Yuan

    (College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China)


In this work, a non-isolated DC–DC converter is presented that combines a voltage doubler circuit and switch inductor cell with the single ended primary inductor converter to achieve a high voltage gain at a low duty cycle and with reduced component count. The converter utilizes a single switch that makes its control very simple. The voltage stress across the semiconductor components is less than the output voltage, which makes it possible to use the diodes with reduced voltage rating and a switch with low turn-on resistance. In particular, performance principle of the proposed converter along with the steady state analysis such as voltage gain, voltage stress on semiconductor components, and design of inductors and capacitors, etc., are carried out and discussed in detail. Moreover, to regulate a constant voltage at a DC-link capacitor, back propagation algorithm-based adaptive control schemes are designed. These adaptive schemes enhance the system performance by dynamically updating the control law parameters in case of PV intermittency. Furthermore, a proportional resonant controller based on Naslin polynomial method is designed for the current control loop. The method describes a systematic procedure to calculate proportional gain, resonant gain, and all the coefficients for the resonant path. Finally, the proposed system is simulated in MATLAB and Simulink software to validate the analytical and theoretical concepts along with the efficacy of the proposed model.

Suggested Citation

  • Muhammad Yasir Ali Khan & Haoming Liu & Salman Habib & Danish Khan & Xiaoling Yuan, 2022. "Design and Performance Evaluation of a Step-Up DC–DC Converter with Dual Loop Controllers for Two Stages Grid Connected PV Inverter," Sustainability, MDPI, vol. 14(2), pages 1-22, January.
  • Handle: RePEc:gam:jsusta:v:14:y:2022:i:2:p:811-:d:722643

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    References listed on IDEAS

    1. Muhammad Yasir Ali Khan & Haoming Liu & Zhihao Yang & Xiaoling Yuan, 2020. "A Comprehensive Review on Grid Connected Photovoltaic Inverters, Their Modulation Techniques, and Control Strategies," Energies, MDPI, vol. 13(16), pages 1-40, August.
    2. Ioana-Monica Pop-Calimanu & Septimiu Lica & Sorin Popescu & Dan Lascu & Ioan Lie & Radu Mirsu, 2019. "A New Hybrid Inductor-Based Boost DC-DC Converter Suitable for Applications in Photovoltaic Systems," Energies, MDPI, vol. 12(2), pages 1-32, January.
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    Cited by:

    1. Jorge A. Solsona & Sebastian Gomez Jorge & Claudio A. Busada, 2022. "Modeling and Nonlinear Control of dc–dc Converters for Microgrid Applications," Sustainability, MDPI, vol. 14(24), pages 1-17, December.
    2. Saif Ul Islam & Kamran Zeb & Soobae Kim, 2022. "Design of Robust Fuzzy Logic Controller Based on Gradient Descent Algorithm with Parallel-Resonance Type Fault Current Limiter for Grid-Tied PV System," Sustainability, MDPI, vol. 14(19), pages 1-20, September.
    3. Saif Ul Islam & Soobae Kim, 2023. "Design of an Optimal Adoptive Fault Ride through Scheme for Overcurrent Protection of Grid-Forming Inverter-Based Resources under Symmetrical Faults," Sustainability, MDPI, vol. 15(8), pages 1-18, April.
    4. Haoming Liu & Muhammad Yasir Ali Khan & Xiaoling Yuan, 2023. "Hybrid Maximum Power Extraction Methods for Photovoltaic Systems: A Comprehensive Review," Energies, MDPI, vol. 16(15), pages 1-64, July.

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