Abstract

Recently a few MJ superconducting magnetic energy storage ($\mu$ SMES) devices become commerci-ally available as one of the energy storage devices for uniterruptible power supply (UPS) systems. For such a ($\mu$ SMES) devics, a few kA class superconducting cables with high current density, high stability and excellent pulse characteristics are required. To acquire data for the superconduction cables related to design and fabrication of a 0.7 MJ $\mu$ SMES device, we tested critical currents and quench characteristics for several winding tensions and various remping rates especially. It is shown from the results that winding tensions have much influence on quench currents of the $\mu$ SMES devices.

Keywords

• Uninterruptible Power Supply;
• Superconducting Magnetic Energy Storage;
• Superconducting Cable;
• Quench Current;
• Quench Propagation Velocity

• 무정전전원;
• 초전도자계에너지저장;
• 초전도케이블;
• ？치전류;
• ？치전파속도;

File

Download PDF

References

1. Cryogenics v.31 Influence of copper location on stability of composites made of superconducting filaments in a highly resistive matrix Maccioni, P.;Turk, B.
2. UPS용 SMES의 소형 초전도 코일 및 전력변환기 요소 기술 개발에 관한 중간보고서(2차년도) 류강식;진홍범;류경우;정승기(외 다수)
3. Plenum Case Study in Superconducting Magnets Iwasa, Y.
4. 대한전기학회 논문지 v.46 no.1 초임계헬륨에서 고전류 교류 초전도선의 ？치전류 열화 류경우