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영어
This paper shows results of a design work of a program that is to develop a large power single phase high temperature superconducting (HTS) transformer. The program forms a part of a national project in Korea. A target of the design work is an HTS power transformer with rated voltages of 154 kV/22.9 kV and material for windings is supposed to be coated conductor. The design results presents in this paper will include: 1) HTS winding structures for high voltage in liquid nitrogen, 2) design result of continuously transposed coated conductor (CTCC), 3) conceptual design of high voltage bushings, 4) cooling system. A feasibility study will succeed to this design work for construction of a prototype HTS power transformer with capacity/voltage of 33 MVA/154 kV.
목차
Abstract 1. INTRODUCTlON 2. SPECIFICATIONS OF AN HTS POWER TRANSFORMER 3. RESULTS OF DESIGN WORK 3.1. HTS windings 3.2. CTCC for large rated currents 3.3. Bushings for high raled voltages 3.4. Cryogenics 3.5. Configuration ofthe iron core and the cryostat 4. CONCLUSION REFERENCES