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자료유형
학술저널
저자정보
Hyeon, C.J. (Department of Electrical Engineering, Jeju National University) Kim, J.H. (Department of Electrical Engineering, Jeju National University) Quach, H.L. (Department of Electrical Engineering, Jeju National University) Chae, S.H. (Department of Electrical Engineering, Jeju National University) Yoon, Y.S. (Department of Electrical Engineering, Shin Ansan University) Lee, J. (Department of Electrical and Electronic Engineering, Yonsei University) Han, S.H. (Department of Electrical and Electronic Engineering, Yonsei University) Jeon, H. (Department of Electrical and Electronic Engineering, Yonsei University) Choi, Y.H. (Department of Materials Science and Engineering, Korea University) Lee, H.G. (Department of Materials Science and Engineering, Korea University) Kim, H.M. (Department of Electrical Engineering, Jeju National University)
저널정보
한국초전도저온학회 한국초전도·저온공학회논문지 한국초전도·저온공학회논문지 제19권 제2호
발행연도
2017.1
수록면
38 - 43 (6page)

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The role of current lead in high-temperature superconducting synchronous machine (HTSSM) is to function as a power supply by connecting the power supply unit at room temperature with the HTS field coils at cryogenic temperature. Such physical and electrical connection causes conduction and Joule-heating losses, which are major thermal losses of HTSSM rotors. To ensure definite stability and economic feasibility of HTS field coils, quickly and smoothly cooling down the current lead is a key design technology. Therefore, in this paper, we introduce a novel concept of a cooling anchor to enhance the cooling performance of a metal current lead. The technical concept of this technology is the simultaneously chilling and supporting the current lead. First, the structure of the current lead and cooling anchor were conceptually designed for field coils for a 1.5 MW-class HTSSM. Then, the effect of this installation on the thermal characteristics of HTS coils was investigated by 3D finite element analysis.

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