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A Compensated Peak Current Mode Control PWM for Primary-Side Controlled Flyback Converters

Author

Listed:
  • Chia-Hsuan Wu

    (Department of Electrical Engineering, National Chung Hsing University, Taichung 402, Taiwan)

  • Guan-Rong Huang

    (Universal Global Scientific Industrial Co., Ltd., Nantou County 542, Taiwan)

  • Cheng-Chih Chou

    (Department of Electrical Engineering, National Changhua University of Education, Changhua 50074, Taiwan
    Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsin-chu 31057, Taiwan)

  • Ching-Ming Lai

    (Department of Electrical Engineering, National Chung Hsing University, Taichung 402, Taiwan)

  • Liang-Rui Chen

    (Department of Electrical Engineering, National Changhua University of Education, Changhua 50074, Taiwan)

Abstract

In this paper, a feedback compensator (FBC) and a Feedforward compensator (FFC) are proposed to construct a novel compensated peak current mode control pulse width modulation (CPC-PWM) for primary-side controlled flyback converters. Using the proposed FBC, the PWM duty cycle of an abnormal operating flyback converter would be descended to limit the output current for reducing power dissipation. Using the proposed FFC, the effect of delay time would be descended to reduce the over-flow current for increasing the current accuracy. In this paper, the operating principle and mathematical model are described and analyzed. Then, the component values are well designed to satisfy the electrical specifications. Finally, a prototype is designed and realized to access system performance. The experimental results show that the proposed CPC-PWM can validate in a wide input voltage range and output short conditions, which also has good current accuracy and reduces power dissipation by about 68%.

Suggested Citation

  • Chia-Hsuan Wu & Guan-Rong Huang & Cheng-Chih Chou & Ching-Ming Lai & Liang-Rui Chen, 2021. "A Compensated Peak Current Mode Control PWM for Primary-Side Controlled Flyback Converters," Energies, MDPI, vol. 14(22), pages 1-12, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:22:p:7458-:d:674929
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    References listed on IDEAS

    as
    1. Rustam Kumar & Chih-Chiang Wu & Ching-Yao Liu & Yu-Lin Hsiao & Wei-Hua Chieng & Edward-Yi Chang, 2021. "Discontinuous Current Mode Modeling and Zero Current Switching of Flyback Converter," Energies, MDPI, vol. 14(18), pages 1-23, September.
    2. Mahammad A. Hannan & Mohammad M. Hoque & Pin J. Ker & Rawshan A. Begum & Azah Mohamed, 2017. "Charge Equalization Controller Algorithm for Series-Connected Lithium-Ion Battery Storage Systems: Modeling and Applications," Energies, MDPI, vol. 10(9), pages 1-20, September.
    3. Jianwen Cao & Bizhong Xia & Jie Zhou, 2021. "An Active Equalization Method for Lithium-ion Batteries Based on Flyback Transformer and Variable Step Size Generalized Predictive Control," Energies, MDPI, vol. 14(1), pages 1-25, January.
    4. Yeu-Torng Yau & Kuo-Ing Hwu & Kun-Jie Liu, 2020. "AC–DC Flyback Dimmable LED Driver with Low-Frequency Current Ripple Reduced and Power Dissipation in BJT Linearly Proportional to LED Current," Energies, MDPI, vol. 13(16), pages 1-18, August.
    5. Xintian Liu & Yafei Sun & Yao He & Xinxin Zheng & Guojian Zeng & Jiangfeng Zhang, 2017. "Battery Equalization by Fly-Back Transformers with Inductance, Capacitance and Diode Absorbing Circuits," Energies, MDPI, vol. 10(10), pages 1-16, September.
    6. Xiaofeng Zhang & Run Min & Donglai Zhang & Yi Wang, 2018. "An Optimized Sensorless Charge Balance Controller Based on a Damped Current Model for Flyback Converter Operating in DCM," Energies, MDPI, vol. 11(12), pages 1-15, December.
    7. Claudio Adragna & Giovanni Gritti & Angelo Raciti & Santi Agatino Rizzo & Giovanni Susinni, 2020. "Analysis of the Input Current Distortion and Guidelines for Designing High Power Factor Quasi-Resonant Flyback LED Drivers," Energies, MDPI, vol. 13(11), pages 1-24, June.
    8. Salam J. Yaqoob & Adel Obed & Rana Zubo & Yasir I. A. Al-Yasir & Hussein Fadhel & Geev Mokryani & Raed A. Abd-Alhameed, 2021. "Flyback Photovoltaic Micro-Inverter with a Low Cost and Simple Digital-Analog Control Scheme," Energies, MDPI, vol. 14(14), pages 1-16, July.
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