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A Study on the Design of the Flywheel Energy Storage Device to Store the Regenerative Energy

회생에너지 저장용 플라이휠 에너지 저장 장치 설계에 관한 연구

  • Lee, Jun-Ho (Advanced Traction and Noncontact Feeding System Research Team, Korea Railroad Research Team) ;
  • Park, Chan-Bae (Advanced Traction and Noncontact Feeding System Research Team, Korea Railroad Research Team) ;
  • Lee, Byeong-Song (Advanced Traction and Noncontact Feeding System Research Team, Korea Railroad Research Team)
  • Received : 2013.04.23
  • Accepted : 2013.05.28
  • Published : 2013.07.01

Abstract

In this study we deal with design procedures for the flywheel energy storage system that has the capacity to store the regenerative energy produced from the railway vehicles. The flywheel energy storage system (FESS) stores the regenerative electrical energy into the high speed rotational flywheel, by conversion the electrical energy into the mechanical rotational energy. Thus the FESS is composed of the energy conversion components, such as the motor and generator, mechanical support components, such as the rotational rotor, the magnetic bearings to support the rotor, and the digital controller to control the air gap between the rotor and the magnetic bearings. In this paper the design procedures for the rotor operating at the rigid mode and the magnetic bearings to support the rotational rotor without contact are presented.

Keywords

References

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