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자료유형
학술저널
저자정보
Kim, Sung-Hoon (Seoul National University) Kim, Woo-Seok (Seoul National University) Park, Chan-Bae (Seoul National University) Hahn, Song-yop (Seoul National University) Park, Kyeong-Dal (Graduate School of Energy, Korea Polytechnic University) Joo, Hyeong-Gil (Graduate School of Energy, Korea Polytechnic University) Hong, Gye-Won (Graduate School of Energy, Korea Polytechnic University)
저널정보
한국초전도학회 Progress in superconductivity Progress in superconductivity 제4권 제1호
발행연도
2002.1
수록면
86 - 89 (4page)

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In this paper, the design of a IMVA single-phase high temperature superconducting(HTS) power transformer with BSCCO-2223 HTS tapes is presented. The rated voltages of each sides of the transformer are 22.9 ㎸ and 6.6 ㎸, respectively The winding of 1MVA HTS transformer is consisted of double pancake type HTS windings, which have advantages of insulation and distribution of high voltage, and are cooled by subcooled liquid nitrogen of 65K. Four HTS tapes were wound in parallel for the windings of low voltage side and the four parallel conductors are transposed. The design of 1MVA HTS transformer, a shell type core made of laminated silicon steel plate is chosen, and the core is separated with the windings by a cryostat with a room temperature bore. The cryostat made of non-magnetic and non-conducting material and a liquid nitrogen sub-cooling system is designed in order to maintain the coolant's temperature of 65K. For electromagnetic analysis of 1MVA HTS transformer, a finite element method of an axis of symmetry is used. The maximum perpendicular component of magnetic flux density of pancake windings is about 0.15T. And through analyzing the magnetic field distribution, an optimal winding arrangement of 1MVA HTS transformer is obtained.

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