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The Research on Bi-Directional DC/DC Converter for Hybrid Power System

  • Guodong Liu
  • Zhipo Ji
  • Ruichang Qiu
  • Xiang Wang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 482)

Abstract

In the hybrid power system, the bidirectional DC/DC converter, as the driving devices for energy storage element, is the core element of hybrid energy storage system and has the function of stabilizing the intermediate DC link voltage. This paper introduces the working principle and the derivation of bidirectional Buck/Boost converter in the process of modeling. A voltage and current double closed loop control system based on load current prediction is designed. When the load changes constantly, the response speed of the system can be improved. Simulation studies using MATLAB/Simulink show that the established model and control strategy can be used for further research.

Keywords

Hybrid power system Bi-directional DC/DC converter Switching convert modeling Double closed-loop control system 

Notes

Acknowledgements

This work was supported by the China National Science and Technology Support Program under Grant 2016YFB1200504-C-01, Beijing major science and technology project under Grant Z171100002117011.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Guodong Liu
    • 1
  • Zhipo Ji
    • 2
  • Ruichang Qiu
    • 1
  • Xiang Wang
    • 3
  1. 1.School of Electrical Engineering, Beijing Engineering Research Center of Electric Rail TransportationBeijing Jiaotong UniversityBeijingChina
  2. 2.Beijing SpacecraftBeijingChina
  3. 3.State Key Laboratory of Advanced Power Transmission TechnologyGlobal Energy Interconnection Research InstituteBeijingChina

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