Proceedings of the KIPE Conference (전력전자학회:학술대회논문집)

The Korean Institute of Power Electronics (전력전자학회)
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A Hybrid Energy Storage System Using a Superconducting Magnet and a Secondary Battery

  • ISE Toshifumi (Graduate School of Electrical Engineering, Faculty of Engineering, Osaka University) ;
  • YOSHIDA Takeshi (Graduate School of Electrical Engineering, Faculty of Engineering, Osaka University) ;
  • KUMAGAI Sadatoshi (Graduate School of Electrical Engineering, Faculty of Engineering, Osaka University)
  • Published : 2001.10.01
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Abstract

Energy storage devices with high energy density as well as high power density are expected to be developed from the point of view of compensation of fluctuating load and generated power by distributed generations such as wind turbines, photovoltaic cells and so on. SMES (Superconducting Magnetic Energy Storage) has higher power density than other energy storage methods, and secondary batteries have higher energy density than SMES. The hybrid energy storage device using SMES and secondary batteries is proposed as the energy storage method with higher power and energy density, the sharing method of power reference value for each storage device, simulation and experimental results are presented.

Keywords