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High Step-Up Three-Level Soft Switching DC-DC Converter for Photovoltaic Generation Systems

Author

Listed:
  • Seyed Shahriyar Taghavi

    (Department of Electrical Engineering, Faculty of Engineering, Arak University, Arak 3848-7-6941, Iran)

  • Mahdi Rezvanyvardom

    (Department of Electrical Engineering, Faculty of Engineering, Arak University, Arak 3848-7-6941, Iran)

  • Amin Mirzaei

    (Department of Electrical Engineering, Faculty of Engineering, Arak University, Arak 3848-7-6941, Iran)

  • Saman A. Gorji

    (Centre for Clean Energy Technologies and Practices, Queensland University of Technology, Brisbane, QLD 4000, Australia
    Centre for Smart Power and Energy Research, School of Engineering, Deakin University, Waurn Ponds, Geelong, VIC 3216, Australia)

Abstract

In this paper, a high step-up three-level DC–DC converter with a symmetric structure for PV application is proposed. The converter has high voltage gain. This is achieved due to the use of two high step-up cells and two resonant paths in its structure. The converter has low input current ripples and the voltage stress across all switches is equal to half of the output voltage. The proposed converter uses simple pulse–width modulation (PWM) to trigger the switches. Hence, the proposed converter benefits from a simple structure and control circuit. All semiconductor devices are turned on/off under ZCS conditions. Thus, the switching losses are decreased, and the total efficiency is increased. The converter is implemented and tested through a laboratory prototype. The experimental results verify the theoretical analysis.

Suggested Citation

  • Seyed Shahriyar Taghavi & Mahdi Rezvanyvardom & Amin Mirzaei & Saman A. Gorji, 2022. "High Step-Up Three-Level Soft Switching DC-DC Converter for Photovoltaic Generation Systems," Energies, MDPI, vol. 16(1), pages 1-22, December.
    • Handle: RePEc:gam:jeners:v:16:y:2022:i:1:p:41-:d:1009718
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    References listed on IDEAS

    as
    1. Miguel Ramirez-Carrillo & Susana Ortega-Cisneros & Julio C. Rosas-Caro & Jorge Rivera & Jesus E. Valdez-Resendiz & Jonathan C. Mayo-Maldonado & Antonio Valderrabano-Gonzalez, 2022. "A Step-Up Converter with Large Voltage Gain and Low Voltage Rating on Capacitors," Energies, MDPI, vol. 15(21), pages 1-19, October.
    2. Xiaokun He & Renjie Hu & Wu Chen, 2022. "A Hybrid Three-Level ZVZCS Converter for Photovoltaic Power Connecting to MVDC Collection System," Energies, MDPI, vol. 15(15), pages 1-15, July.
    3. Ingilala Jagadeesh & Vairavasundaram Indragandhi, 2022. "Comparative Study of DC-DC Converters for Solar PV with Microgrid Applications," Energies, MDPI, vol. 15(20), pages 1-21, October.
    Full references (including those not matched with items on IDEAS)

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