Proceedings of the Korea Institute of Applied Superconductivity and Cryogenics Conference (한국초전도저온공학회:학술대회논문집)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Current measurement in LN2 using Rogowski coil

로고스키 코일을 이용한 액체 질소 내에서 전류측정

  • 최용선 (한전 전력 연구원 신에너지 그룹) ;
  • 차상도 (한전 전력 연구원 신에너지 그룹) ;
  • 황시돌 (한전 전력 연구원 신에너지 그룹) ;
  • 최효상 (한전 전력 연구원 신에너지 그룹)
  • Published : 2003.02.01
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Abstract

When superconductors are combined with normal conductor as a parallel electric circuit, imbalance of the applied current is happened. For the accurate parameters of the circuit, it is needed to measure the current of the circuit under LN2 condition. In this case, the measurement using Rogowski coil, which is not that affected by changing temperature, can be a method. In this study, using 2 Rogowski coil, the measurement of current was conducted under the condition that is room and LN2 temperature respectively.

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