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동력 분산형 고속철도용 변압기의 출력 간섭현상을 저감시키기 위한 권선 배치 방법
박병건(Park Byoung-Gun),안성국(Ahn Sung-Kuk),현동석(Hyun Dong-Seok) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
In the high-speed EMU, the modularized traction converter produces the significant harmonic currents caused from the switching behavior of a power converter. These harmonic currents bring the interference among the traction equipment. One way to minimize the interference is to design the secondary windings of a power transformer decoupled magnetically as possible. This paper presents a magnetic field analysis on a winding disposition to clarify an impact on magnetic decoupling between secondary windings, under a limited height of a train. Two winding dispositions for a single-phase shell-type transformer are constructed and simulated by a three-dimensional finite elements method (FEM) model. Two different winding dispositions are constructed and simulated by three-dimensional FEM model using Maxwell3D.