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Buck Converter with Soft-Switching Cells for PV Panel Applications

Author

Listed:
  • Cheng-Tao Tsai

    (Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan)

  • Wang-Min Chen

    (Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan)

Abstract

In power conversion of photovoltaic (PV) energy, a hard-switching buck converter always generates some disadvantages. For example, serious electromagnetic interference (EMI), high switching losses, and stresses on an active switch (metal-oxide-semiconductor-field-effect-transistor, MOSFET), and high reverse-recovery losses of a freewheeling diode result in low conversion efficiency. To release these disadvantages, a buck converter with soft-switching cells for PV panel applications is proposed. To create zero-voltage-switching (ZVS) features of the active switches, a simple active soft-switching cell with an inductor, a capacitor, and a MOSFET is incorporated into the proposed buck converter. Therefore, the switching losses and stresses of the active switches and EMI can be reduced significantly. To reduce reverse-recovery losses of a freewheeling diode, a simple passive soft-switching cell with a capacitor and two diodes is implemented. To verify the performance and the feasibility of the proposed buck converter with soft-switching cells for PV panel applications, a prototype soft-switching buck converter is built and implemented by using a maximum-power-point-tracking (MPPT) method. Simulated and experimental results are presented from a 100 W soft-switching buck converter for PV panel applications.

Suggested Citation

  • Cheng-Tao Tsai & Wang-Min Chen, 2016. "Buck Converter with Soft-Switching Cells for PV Panel Applications," Energies, MDPI, vol. 9(3), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:3:p:148-:d:64887
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    References listed on IDEAS

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    1. Chih-Lung Shen & Cheng-Tao Tsai, 2012. "Double-Linear Approximation Algorithm to Achieve Maximum-Power-Point Tracking for Photovoltaic Arrays," Energies, MDPI, vol. 5(6), pages 1-16, June.
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    Cited by:

    1. 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.
    2. Bijan Rahmani & Weixing Li, 2016. "Proposing Wavelet-Based Low-Pass Filter and Input Filter to Improve Transient Response of Grid-Connected Photovoltaic Systems," Energies, MDPI, vol. 9(8), pages 1-15, August.
    3. Madhu Andela & Ahmmadhussain Shaik & Saicharan Beemagoni & Vishal Kurimilla & Rajagopal Veramalla & Amritha Kodakkal & Surender Reddy Salkuti, 2022. "Solar Photovoltaic System-Based Reduced Switch Multilevel Inverter for Improved Power Quality," Clean Technol., MDPI, vol. 4(1), pages 1-13, January.
    4. P. Sathishkumar & Himanshu & Shengxu Piao & Muhammad Adil Khan & Do-Hyun Kim & Min-Soo Kim & Dong-Keun Jeong & Cheewoo Lee & Hee-Je Kim, 2017. "A Blended SPS-ESPS Control DAB-IBDC Converter for a Standalone Solar Power System," Energies, MDPI, vol. 10(9), pages 1-19, September.
    5. 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.

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