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도전성이 높은 안정화층을 고려한 YBCO 선재의 전송전류 손실 해석
강명훈(Myunghun Kang),한병욱(Byungwook Han),정두영(Duyoung Jung),임희현(Heehyun Lim),임형우(Hyoungwoo Lim),차귀수(Gueesoo Cha),이희준(Heejoon Lee) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
YBCO wire has a metal substrate to improve the texture structure and highly conductive layers to increase the cryogenic stability. When AC current flows in the YBCO wire, magnetic field which is generated by the AC current magnetizes the metal substrate and induces the eddy current in the stabilizing layer. To examine the effect of the metal substrate and the conducting layer on the transport current loss of YBCO wire, this paper presents the transport current loss of YBCO wire which has metal substrate and conductive layer. YBCO wire with Nj-W substrate and copper layer were chosen as the model HTS wire for numerical calculation. Finite element method has been used to calculate the transport loss and the results of numerical calculation was compared with analytic calculation suggested by Norris.