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공간고조파법을 이용한 파력에너지변환용 양측식 할박 배열 영구자석 타입 리니어 발전기의 특성해석
강한빛(Han-bit Kang),구민모(Min-Mo Koo),최장영(Jang-Young Choi) 한국해양환경·에너지학회 2013 한국해양환경공학회 학술대회논문집 Vol.2013 No.11
본 논문에서는 파력에너지 변환용 양측식 할박 배열 영구자석 타입 리니어 발전기의 특성을 해석하였다. 자기 벡터 퍼텐셜을 이용하여, 할박 배열 영구자석에 의한 자계분포 특성을 도출하였다. 이 자계분포특성을 이용하여 임의의 입력 파형에서 유도된 기전력 및 정격 부하에서의 출력을 해석하고, 해석 결과는 유한요소해석 결과와 비교하여 검증하였다. This paper deals with characteristic analysis of double sided permanent magnet linear generator with Halbach array for wave energy conversion by using analytical method . We obtained magnetic field distribution produced by permanent magnets (PMs) with Halbach array using magnetic vector potential. Induced voltage and output power are obtained from the magnetic field. The analytical results are validated by comparing with finite element analysis (FEA).
박한석,노창주 한국마린엔지니어링학회 1996 한국마린엔지니어링학회지 Vol.20 No.1
In this paper, the characteristics of a double-sided linear pulse motor (DLPM) with permanent magnet are analysed using the method which combined the coenergy method and the equivalent magnetic circuit method. In the process of computation, the magnetic material nonlinealities of the permanent magnet, the primary and the secondary core are interpolated by the cubic spline method. Then, the equivalent magnetic circuit modelled by the permeance method including airgap reluctance, which is a function of displacement, is obtained. The static thrust which is the derivative of coenergy is computed by Newton Raphson method at each dispacement. And, in order to investigate the characteristics of the DLPM, the thrust shows as a function of displacement, input current and air gap. The simulation resuls are compared with experimental ones obtained from the DLPM with 2 phase and 4 poles.
하이퍼루프 적용을 위한 추진/부상/안내 일체형 DSLIM의 설계 연구
서교영,박찬배,정거철,김성휘,이형우 한국철도학회 2019 한국철도학회논문집 Vol.22 No.11
Research is being actively conducted on magnetic levitation driving systems of hyperloop, which has emerged as the next new vehicle. Conventional magnetic levitation driving systems use EMS (ElectroMagnetic Suspension) and EDS (ElectroDynamic Suspension) methods, and both EMS and EDS methods use two or more systems for propulsion/levitation/guidance. However, using two or more driving systems causes complexity of the structure of the whole system and significantly increases the maintenance costs. Therefore, to address these problems, this study proposed the concept and structure of a Double-Sided Linear Induction Motor (DSLIM) that can generate propulsion/levitation/guidance in one system, and performed basic design and performance analysis by analyzing the design requirements of DSLIM. Further, through selection of design parameters and analysis of characteristics that significantly affect the output characteristics, detailed design was performed to derive a performance improvement model for DSLIM.