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A Multifunctional Isolated and Non-Isolated Dual Mode Converter for Renewable Energy Conversion Applications

Author

Listed:
  • Yiwang Wang

    (Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    School of Electronic and Information Engineering, Suzhou Vocational University, Suzhou 215104, China)

  • Chun Gan

    (Department of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN 37996, USA)

  • Kai Ni

    (Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, UK)

  • Xinhua Li

    (Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, UK)

  • Houjun Tang

    (Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China)

  • Yong Yang

    (School of Urban Rail Transportation, Soochow University, Suzhou 215137, China)

Abstract

In this paper, a multifunctional isolated and non-isolated dual-mode low-power converter was designed for renewable energy conversion applications such as photovoltaic power generation to achieve different operating modes under bi-directional electrical conversion. The proposed topology consists of a bidirectional non-isolated DC/DC circuit and an isolated converter with a high-frequency transformer, which merge the advantages of both the conventional isolated converter and non-isolated converter with the combination of the two converter technologies. Compared with traditional converters, the multifunctional converter can not only realize conventional bi-directional functions, but can also be applied for many different operation modes and meet the high output/input ratio demands with the two converter circuits operating together. A novel control algorithm was proposed to achieve the various functions of the proposed converter. An experimental platform based on the proposed circuit was established. Both the simulation and experimental results indicated that the proposed converter could provide isolated and non-isolated modes in different applications, which could meet different practical engineering requirements.

Suggested Citation

  • Yiwang Wang & Chun Gan & Kai Ni & Xinhua Li & Houjun Tang & Yong Yang, 2017. "A Multifunctional Isolated and Non-Isolated Dual Mode Converter for Renewable Energy Conversion Applications," Energies, MDPI, vol. 10(12), pages 1-17, November.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:12:p:1980-:d:121039
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    References listed on IDEAS

    as
    1. Kou-Bin Liu & Chen-Yao Liu & Yi-Hua Liu & Yuan-Chen Chien & Bao-Sheng Wang & Yong-Seng Wong, 2016. "Analysis and Controller Design of a Universal Bidirectional DC-DC Converter," Energies, MDPI, vol. 9(7), pages 1-23, June.
    2. Il-Oun Lee & Jun-Young Lee, 2017. "A High-Power DC-DC Converter Topology for Battery Charging Applications," Energies, MDPI, vol. 10(7), pages 1-17, June.
    3. Jiefeng Hu & Ka Wai Eric Cheng, 2017. "Predictive Control of Power Electronics Converters in Renewable Energy Systems," Energies, MDPI, vol. 10(4), pages 1-14, April.
    4. Chih-Lung Shen & You-Sheng Shen & Cheng-Tao Tsai, 2017. "Isolated DC-DC Converter for Bidirectional Power Flow Controlling with Soft-Switching Feature and High Step-Up/Down Voltage Conversion," Energies, MDPI, vol. 10(3), pages 1-23, March.
    5. Sheng-Yu Tseng & Hung-Yuan Wang, 2013. "A Photovoltaic Power System Using a High Step-up Converter for DC Load Applications," Energies, MDPI, vol. 6(2), pages 1-33, February.
    6. Yu-En Wu & Pin-Nan Chiu, 2017. "A High-Efficiency Isolated-Type Three-Port Bidirectional DC/DC Converter for Photovoltaic Systems," Energies, MDPI, vol. 10(4), pages 1-24, March.
    7. Jukka Viinamäki & Alon Kuperman & Teuvo Suntio, 2017. "Grid-Forming-Mode Operation of Boost-Power-Stage Converter in PV-Generator-Interfacing Applications," Energies, MDPI, vol. 10(7), pages 1-23, July.
    8. Xiancheng Zheng & Husan Ali & Xiaohua Wu & Haider Zaman & Shahbaz Khan, 2017. "Non-Linear Behavioral Modeling for DC-DC Converters and Dynamic Analysis of Distributed Energy Systems," Energies, MDPI, vol. 10(1), pages 1-21, January.
    9. Yong-Seng Wong & Jiann-Fuh Chen & Kuo-Bin Liu & Yi-Ping Hsieh, 2017. "A Novel High Step-Up DC-DC Converter with Coupled Inductor and Switched Clamp Capacitor Techniques for Photovoltaic Systems," Energies, MDPI, vol. 10(3), pages 1-17, March.
    10. Chih-Lung Shen & Hong-Yu Chen & Po-Chieh Chiu, 2015. "Integrated Three-Voltage-Booster DC-DC Converter to Achieve High Voltage Gain with Leakage-Energy Recycling for PV or Fuel-Cell Power Systems," Energies, MDPI, vol. 8(9), pages 1-17, September.
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