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High Step-Up Boost-Cuk-Forward Converter with Reduced Switch Voltage Stress and Ripple-Free Input Current

Author

Listed:
  • Reza Heidari

    (Mechatronics Engineering Department, Kyungsung University, Busan 48434, Republic of Korea)

  • Mohammad Ali Ghanbari

    (Electrical Engineering Department, University of Isfahan, Isfahan 8174673441, Iran)

  • Ehsan Adib

    (Electrical and Computer Engineering Department, Isfahan University of Technology, Isfahan 8415683111, Iran)

  • Kwang-Il Jeong

    (Mechatronics Engineering Department, Kyungsung University, Busan 48434, Republic of Korea)

  • Jin-Woo Ahn

    (Mechatronics Engineering Department, Kyungsung University, Busan 48434, Republic of Korea)

Abstract

A new combined boost-Cuk-forward (CBCF) converter with ripple-free input current and low switch voltage stress is proposed for high step-up applications. Two coupled inductors are applied to achieve low switch voltage stress as well as balanced dc-link voltages, wherein the former is placed in series with the boost diode, and the latter is formed as a forward converter. Because these inductors are coupled with the output Cuk inductor, a ripple-free input current is also attained. The proposed converter is run at discontinuous conduction mode (DCM) by applying a low output-side Cuk inductance to reduce the switching loss by providing a ZCS turn-on of MOSFET and removing the diode reverse recovery current. In addition, the proposed converter does not have a problem with ground leakage current. The practical results verify the performance and effectiveness of the proposed CBCF high step-up converter.

Suggested Citation

  • Reza Heidari & Mohammad Ali Ghanbari & Ehsan Adib & Kwang-Il Jeong & Jin-Woo Ahn, 2023. "High Step-Up Boost-Cuk-Forward Converter with Reduced Switch Voltage Stress and Ripple-Free Input Current," Energies, MDPI, vol. 16(17), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:17:p:6391-:d:1232119
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