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논문 기본 정보

자료유형
학술저널
저자정보
Kim, J.H. (Department of Electrical Engineering, Jeju National University) Hyeon, C.J. (Department of Electrical Engineering, Jeju National University) Quach, H.L. (Department of Electrical Engineering, Jeju National University) Chae, Y.S. (Department of Electrical Engineering, Jeju National University) Moon, J.H. (Department of Electrical Engineering, Jeju National University) Boo, C.J. (Department of Electrical Engineering and Energy, Jeju International University) Kim, H.M. (Department of Electrical Engineering, Jeju National University)
저널정보
한국초전도저온학회 한국초전도·저온공학회논문지 한국초전도·저온공학회논문지 제19권 제4호
발행연도
2017.1
수록면
45 - 50 (6page)

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This paper presents a conceptual design and analysis for a 1-kW-class high-temperature superconducting rotating machine (HTSRM) rotor. The designed prototype is a small-scale integration system of a HTSRM and a HTS contactless rotary excitation device (CRED). Technically, CRED and HTSRM are connected in the same shaft, and it effectively charges the HTS coils of the rotor field winding by pumping fluxes via a non-contact method. HTS coils in rotor pole body and toroidal HTS wire in CRED rotor are cooled and operated by liquid nitrogen in cryogen tank located in inner-most of rotor. Therefore, it is crucial to securely maintain the thermal stability of cryogenic environment inside rotor. Especially, we critically consider not only on mechanical characteristics of the rotor but also on cryogenic thermal characteristics. In this paper, we conduct two main tasks covering optimizing a conceptual design and performing operational characteristics. First, rotor parameters are conceptually designed by analytical design codes. These parameters consider to mechanical and thermal performances such as mechanical strength, mechanical rigidity, and thermal heat losses of the rotor. Second, mechanical and thermal characteristics of rotor for 1-kW-class HTSRM are analyzed to verify the feasible operation conditions. Hence, three-dimensional finite element analysis (3D-FEA) method is used to perform these analyses in ANSYS-Workbench platform.

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