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A Novel High Step-Up DC-DC Converter with Coupled Inductor and Switched Clamp Capacitor Techniques for Photovoltaic Systems

Author

Listed:
  • Yong-Seng Wong

    (Department of Electrical Engineering, National Cheng Kung University, No. 1 University Road, Tainan 701, Taiwan
    Power Supply Group, National Synchrotron Radiation Research Center, 101, Hsin-Ann Road, Hsinchu 300, Taiwan)

  • Jiann-Fuh Chen

    (Department of Electrical Engineering, National Cheng Kung University, No. 1 University Road, Tainan 701, Taiwan)

  • Kuo-Bin Liu

    (Power Supply Group, National Synchrotron Radiation Research Center, 101, Hsin-Ann Road, Hsinchu 300, Taiwan)

  • Yi-Ping Hsieh

    (Mission Critical Infrastructure Solutions Business Unit, Delta Electronics INC, 39 Section 2, Huan-dong Road, Shanhua Township, Tainan 741, Taiwan)

Abstract

In this study, a novel high step-up DC-DC converter was successfully integrated using coupled inductor and switched capacitor techniques. High step-up DC-DC gain was achieved using a coupled inductor when capacitors charged and discharged energy, respectively. In addition, energy was recovered from the leakage inductance of the coupled inductor by using a passive clamp circuit. Therefore, the voltage stress of the main power switch was almost reduced to 1/7 V o (output voltage). Moreover, the coupled inductor alleviated the reverse-recovery problem of the diode. The proposed circuit efficiency can be further improved and high voltage gain can be achieved. The operation principle and steady-state analysis of the proposed converter were discussed. Finally, a hardware prototype circuit with input voltage of 24 V, output voltage of up to 400 V, and maximum power of 150 W was constructed in a laboratory; the maximum efficiency was almost 96.2%.

Suggested Citation

  • Yong-Seng Wong & Jiann-Fuh Chen & Kuo-Bin Liu & Yi-Ping Hsieh, 2017. "A Novel High Step-Up DC-DC Converter with Coupled Inductor and Switched Clamp Capacitor Techniques for Photovoltaic Systems," Energies, MDPI, vol. 10(3), pages 1-17, March.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:3:p:378-:d:93217
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    Citations

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    Cited by:

    1. Miran Rodič & Miro Milanovič & Mitja Truntič & Benjamin Ošlaj, 2018. "Switched-Capacitor Boost Converter for Low Power Energy Harvesting Applications," Energies, MDPI, vol. 11(11), pages 1-29, November.
    2. Shin-Ju Chen & Sung-Pei Yang & Chao-Ming Huang & Huann-Ming Chou & Meng-Jie Shen, 2018. "Interleaved High Step-Up DC-DC Converter Based on Voltage Multiplier Cell and Voltage-Stacking Techniques for Renewable Energy Applications," Energies, MDPI, vol. 11(7), pages 1-17, June.
    3. 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.
    4. Eduardo Augusto Oliveira Barbosa & Márcio Rodrigo Santos de Carvalho & Leonardo Rodrigues Limongi & Marcelo Cabral Cavalcanti & Eduardo José Barbosa & Gustavo Medeiros de Souza Azevedo, 2021. "High-Gain High-Efficiency DC–DC Converter with Single-Core Parallel Operation Switched Inductors and Rectifier Voltage Multiplier Cell," Energies, MDPI, vol. 14(15), pages 1-18, July.
    5. Mauricio Dalla Vecchia & Giel Van den Broeck & Simon Ravyts & Johan Driesen, 2019. "Novel Step-Down DC–DC Converters Based on the Inductor–Diode and Inductor–Capacitor–Diode Structures in a Two-Stage Buck Converter," Energies, MDPI, vol. 12(6), pages 1-22, March.
    6. Héctor Hidalgo & Rodolfo Orosco & Héctor Huerta & Nimrod Vázquez & Claudia Hernández & Sergio Pinto, 2023. "A High-Voltage-Gain DC–DC Boost Converter with Zero-Ripple Input Current for Renewable Applications," Energies, MDPI, vol. 16(13), pages 1-23, June.
    7. Yicheng Liu & Jieping Wang & Haiyan Tu, 2019. "Design and Implementation of Finite Time Nonsingular Fast Terminal Sliding Mode Control for a Novel High Step-Up DC-DC Converter," Energies, MDPI, vol. 12(9), pages 1-16, May.
    8. Shin-Ju Chen & Sung-Pei Yang & Chao-Ming Huang & Yu-Hua Chen, 2020. "Interleaved High Step-Up DC–DC Converter with Voltage-Lift and Voltage-Stack Techniques for Photovoltaic Systems," Energies, MDPI, vol. 13(10), pages 1-20, May.
    9. Flavio Balsamo & Davide Lauria & Fabio Mottola, 2019. "Design and Control of Coupled Inductor DC–DC Converters for MVDC Ship Power Systems," Energies, MDPI, vol. 12(4), pages 1-20, February.

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