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Inrush Current Control of High Power Density DC–DC Converter

Author

Listed:
  • Ahmed H. Okilly

    (Electrical & Electronics and Communication Engineering Department, Koreatech University, Cheonan-si 31253, Korea)

  • Namhun Kim

    (Research Center, ESTRA Automotive, Daegu-si 42981, Korea)

  • Jeihoon Baek

    (Electrical & Electronics and Communication Engineering Department, Koreatech University, Cheonan-si 31253, Korea)

Abstract

This paper presents a complete mathematical design of the main components of 2 kW, 54 direct current (DC)–DC converter stage, which can be used as the second stage of the two stages of alternating current (AC)–DC telecom power supply. In this paper, a simple inrush current controlling circuit to eliminate the high inrush current, which is generated due to high input capacitor at the input side of the DC–DC converter, is proposed, designed, and briefly discussed. The proposed circuit is very easy to implement in the lab using a single metal–oxide–semiconductor field-effect transistor (MOSFET) switch and some small passive elements. PSIM simulation has been used to test the power supply performance using the value of the designed components. Furthermore, the experimental setup of the designed power supply with inrush current control is built in the lab to show the practical performance of the designed power supply and to test the reliability of the proposed inrush current mitigation circuit to eliminate the high inrush current at initial power application to the power supply circuit. DC–DC power supply with phase shift zero voltage switching (ZVS) technique is chosen and designed due to its availability to achieve ZVS over the full load range at the primary side of the power supply, which reduces switching losses and offers high conversion efficiency. High power density DC–DC converter stage with smooth current startup operation, full load efficiency over 95%, and better voltage regulation is achieved in this work.

Suggested Citation

  • Ahmed H. Okilly & Namhun Kim & Jeihoon Baek, 2020. "Inrush Current Control of High Power Density DC–DC Converter," Energies, MDPI, vol. 13(17), pages 1-24, August.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:17:p:4301-:d:401229
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    References listed on IDEAS

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    1. Zhenxing Zhao & Qianming Xu & Yuxing Dai & Hanhang Yin, 2018. "Analysis, Design, and Implementation of Improved LLC Resonant Transformer for Efficiency Enhancement," Energies, MDPI, vol. 11(12), pages 1-19, November.
    2. P. Sathishkumar & T. N. V. Krishna & Himanshu & Muhammad Adil Khan & Kamran Zeb & Hee-Je Kim, 2018. "Digital Soft Start Implementation for Minimizing Start Up Transients in High Power DAB-IBDC Converter," Energies, MDPI, vol. 11(4), pages 1-18, April.
    3. David Marroqui & Ausias Garrigos & Jose M. Blanes & Roberto Gutierrez, 2019. "Photovoltaic-Driven SiC MOSFET Circuit Breaker with Latching and Current Limiting Capability," Energies, MDPI, vol. 12(23), pages 1-16, December.
    4. Aiswariya Sekar & Dhanasekaran Raghavan, 2015. "Implementation of Single Phase Soft Switched PFC Converter for Plug-in-Hybrid Electric Vehicles," Energies, MDPI, vol. 8(11), pages 1-16, November.
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    Citations

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    Cited by:

    1. Zhou Ruhan & Nurulafiqah Nadzirah Binti Mansor & Hazlee Azil Illias, 2023. "Identification of Inrush Current Using a GSA-BP Network," Energies, MDPI, vol. 16(5), pages 1-22, February.
    2. Marcin Witczak & Marcin Mrugalski & Bogdan Lipiec, 2021. "Remaining Useful Life Prediction of MOSFETs via the Takagi–Sugeno Framework," Energies, MDPI, vol. 14(8), pages 1-23, April.
    3. Ahmed H. Okilly & Namhun Kim & Jonghyuk Lee & Yegu Kang & Jeihoon Baek, 2023. "Development of a Smart Static Transfer Switch Based on a Triac Semiconductor for AC Power Switching Control," Energies, MDPI, vol. 16(1), pages 1-16, January.
    4. Furkan Karakaya & Özgür Gülsuna & Ozan Keysan, 2021. "Feasibility of Quasi-Square-Wave Zero-Voltage-Switching Bi-Directional DC/DC Converters with GaN HEMTs," Energies, MDPI, vol. 14(10), pages 1-23, May.

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