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횡자속형 영구자석 풍력발전기의 정상 및 과도상태 특성해석
황돈하(D.H. Hwang),강도현(D.H. Kang),김용주(Y.J. Kim),최경호(K.H.Choi),배성우(S.W. Bae),김동희(D.H. Kim) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
The paper discuses characteristics of an axial-flux permanent-magnet generator for a gearless wind energy system which aims to be satisfied with variable operating conditions<br/> Design and construction of an axial-flux permanent- magnet generator with power output at 60 [Hz], 300 [r/min] for wind energy system is introduced. Finite-element method (FEM) is applied to analyze generator performance at variable load. The results of FE analysis show this generator is feasible for use with a wind turbine
원재선(J.S.Won),강진욱(J.W.Kang),김동희(D.H.Kim),정성균(S.G.Jung),이영식(Y.S.Lee),이봉섭(B.S.Lee) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
A novel single-stage half-bridge high frequency resonant inverter using ZVS(Zero voltage Switching)with high input power factor suitable for induction heating applications is presented in this paper. The proposed high frequency resonant inverter integrates half-bridge boost rectifier as power factor corrector(PFC)and half-bridge resonant inverter into a single stage. The input stage of the half-bridge boost rectifier is working in discontinuous conduction mode(DCM) with constant duty cycle and variable switching frequency. Simulation results through the Pspice have demonstrated the feasibility of the proposed inverter This proposed inverter will be able to be practically used as a power supply in various fieleds as induction heating applications, DC-DC converter etc.