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Triple-Mode Average Current Control with Valley Current Shaping for DCM/CRM/CCM Boost PFC Converter

Author

Listed:
  • Liangliang Lu

    (School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
    Lunar Exploration and Aerospace Engineering Center, State Administration for Science Technology and Industry for National Defence, Beijing 100190, China)

  • Gaoshuai Shen

    (School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Haoran Xu

    (School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Qiaoling Tong

    (School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Run Min

    (School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Qiao Zhang

    (School of Automation, Wuhan University of Technology, Wuhan 430070, China)

  • Jun Yuan

    (Hubei Jiufengshan Laboratory, Wuhan 430070, China)

  • Ningyu Liu

    (Hubei Jiufengshan Laboratory, Wuhan 430070, China)

Abstract

This paper presents a triple-mode average current control (TACC) strategy to achieve unity power factor and reduce the current stress for a boost PFC converter. The controller switches among different modes in each half-line cycle, and smooth transition is ensured by mapping of the operation region. By adaptive mode shifting, it reduces the current stress and current distortion caused by non-linear effects. With valley current shaping and comparisons, the TACC controller accordingly incorporates three control laws to adapt different modes. In discontinuous conduction mode (DCM), a variable on-time is calculated while the modulation is equivalent to PWM. In critical conduction mode (CRM), a constant on-time is derived, while the switching cycle is modified to regulate the current average value. For both DCM and CRM, the switching cycle is slightly extended to realize valley switching. Furthermore, with valley current shaping, the proposed controller reuses the CRM calculation to form continuous conduction mode (CCM) control law. To make the control laws compatible, normalized mapping and design rules are provided with respect to mode boundaries. This allows the TACC controller to automatically switch among different modes. Finally, experimental results prove the effectiveness of the controller in reducing the current stress and enlarging the preferable power range.

Suggested Citation

  • Liangliang Lu & Gaoshuai Shen & Haoran Xu & Qiaoling Tong & Run Min & Qiao Zhang & Jun Yuan & Ningyu Liu, 2022. "Triple-Mode Average Current Control with Valley Current Shaping for DCM/CRM/CCM Boost PFC Converter," Energies, MDPI, vol. 15(19), pages 1-23, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7319-:d:933975
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    References listed on IDEAS

    as
    1. Tal Tayar & Alexander Abramovitz & Doron Shmilovitz, 2021. "DCM Boost PFC for High Brightness LED Driver Applications," Energies, MDPI, vol. 14(17), pages 1-16, September.
    2. Xinjun Liu & Donglai Zhang & Wanyang Wang & Fanwu Zhang & Jun Yuan & Ningyu Liu, 2022. "Adaptive Charge-Compensation-Based Variable On-Time Control to Improve Input Current Distortion for CRM Boost PFC Converter," Energies, MDPI, vol. 15(11), pages 1-18, May.
    3. Wei Wang & Gaoshuai Shen & Run Min & Qiaoling Tong & Qiao Zhang & Zhenglin Liu, 2020. "State Switched Discrete-Time Model and Digital Predictive Voltage Programmed Control for Buck Converters," Energies, MDPI, vol. 13(13), pages 1-21, July.
    4. Muhammad Aamir & Wajahat Ullah Tareen & Kafeel Ahmed Kalwar & Mudasir Ahmed Memon & Saad Mekhilef, 2017. "A High-Frequency Isolated Online Uninterruptible Power Supply (UPS) System with Small Battery Bank for Low Power Applications," Energies, MDPI, vol. 10(4), pages 1-20, March.
    5. Jaeil Baek & Moo-Hyun Park & Taewoo Kim & Han-Shin Youn, 2021. "Modified Power Factor Correction (PFC) Control and Printed Circuit Board (PCB) Design for High-Efficiency and High-Power Density On-Board Charger," Energies, MDPI, vol. 14(3), pages 1-15, January.
    Full references (including those not matched with items on IDEAS)

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