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원문정보
초록
영어
A hybrid superconducting fault current limiter (SFCL) with fast switch had been previously suggested by our research group. To make a hybrid SFCL, different superconducting wires were wound two pancake coils so that two pancake coils had asymmetric configuration. The impedance of the asymmetric non-inductive coils are zero with applied normal current. However during the fault, currents were distributed unequally into the two pancake coils because each superconducting wires have different electrical characteristics. This unequal distribution of current causes effective magnetic flux which generate repulsive force. Fast switch was thus opened by the repulsive force applied to the aluminum plate which consists of SFCL. In this paper, the AC loss characteristics of the asymmetric non-inductive coils with combinations of superconducting wires were studied and calculated by related experiments and finite element method (FEM) simulation. From these results, we suggested the appropriate combination of two superconducting wires to be used for the asymmetric non-inductive coils.
목차
Abstract 1. 서론 2. 본론 2.1. 유한 요소법을 이용한 교류 손실 계산 3. 실험 및 결과 분석 3.1. 실험에 이용한 선재들의 사양 3.2. 비대칭 무유도 성 코일의 제작 3.3. 교류 손실 측정을 위한 실험 방법 3.4. 조합별 교류 손실 결과 4. 결론