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Novel High Step-Up DC–DC Converter with Three-Winding-Coupled-Inductors and Its Derivatives for a Distributed Generation System

Author

Listed:
  • Yanying Gao

    (School of Electrical and Information, Northeast Agricultural University, Harbin 150030, China)

  • Hongchen Liu

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China)

  • Jian Ai

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

Abstract

A novel step-up DC-DC converter with a three-winding-coupled-inductor which integrates a coupled-inductor and voltage-boost techniques for a distributed generation system is proposed in this paper. The two windings of the dotted terminal connection are charged by the input source; the proposed converter utilized smaller turn ratios, and can achieve higher gain when the active switch is turned on. The passive lossless clamped circuits not only can absorb the leakage energy, but also lower the switch voltage stresses; additionally, the reverse-recovery problem of diodes can be reduced to improve the system efficiency. Furthermore, the voltage stress of the output capacitor is reduced. The operating principle and corresponding theoretical analyses are discussed in detail. Finally, an experimental prototype with 50 kHz switching frequency, 40 V input voltage, 380 V output voltage and 400 W output power is set up to verify the validity of the proposed converter.

Suggested Citation

  • Yanying Gao & Hongchen Liu & Jian Ai, 2018. "Novel High Step-Up DC–DC Converter with Three-Winding-Coupled-Inductors and Its Derivatives for a Distributed Generation System," Energies, MDPI, vol. 11(12), pages 1-12, December.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:12:p:3428-:d:188671
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    References listed on IDEAS

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    1. Al-Saffar, Mustafa A. & Ismail, Esam H. & Sabzali, Ahmad J., 2013. "Family of ZC-ZVS converters with wide voltage range for renewable energy systems," Renewable Energy, Elsevier, vol. 56(C), pages 32-43.
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    Cited by:

    1. Aline V. C. Pereira & Marcelo C. Cavalcanti & Gustavo M. Azevedo & Fabrício Bradaschia & Rafael C. Neto & Márcio Rodrigo Santos de Carvalho, 2021. "A Novel Single-Switch High Step-Up DC–DC Converter with Three-Winding Coupled Inductor," Energies, MDPI, vol. 14(19), pages 1-17, October.
    2. Krzysztof Górecki & Kalina Detka, 2019. "Influence of Power Losses in the Inductor Core on Characteristics of Selected DC–DC Converters," Energies, MDPI, vol. 12(10), pages 1-15, May.
    3. 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.
    4. 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.

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