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석복렬,최명준 한국초전도저온공학회 2002 한국초전도저온공학회논문지 Vol.4 No.2
This research is conducted with the object of Piling up the foundation of design technologies for high temperature superconducting (HTS) power transformer which is thought to be as a powerful power transformer of next generation. In this study, not only the theoretical design of high temperature superconducting (HTS) transformer but also the arrangements of superconducting tape and the cooling method have been conducted. Moreover, electromagnetic analyses using finite element method (FEM) were conducted to confirm the efficiency of the designed transformer.
석복렬(B. Y. Seok),강형구(H. Kang),이찬주(C. Lee),남관우(K. Nam),고태국(T. K. Ko) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
In this study, superconducting coil arrangements and cryostat concept design were conducted for the development of 13.2㎸/630A bifilar winding type high temperature superconducting(HTS) fault current limiter(FCL) with YBCO coated conductor(CC) wire. The coil consists of several layers with unique non-inductive solenoid winding method. Six types of HTS coil arrangements were investigated for the optimal insulation design of HTS FCL. And, conceptual design of cryostat was conducted for the decrement of thermal invasion and the prevention of low voltage insulation breakdown in the LHe which is used as pressurization gas in sub-cooling condition of liquid nitrogen(LN2). As the results, it was found that the modified suspended type cryostat with horizontal coil arrangement is beneficial to the insulation design of 13.2㎸ level bifilar winding type HTS FCL.