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강주성(Ju Sung Kang),고강훈(Kang Hoon Koh),최광주(Kwang Ju Choi),홍두성(Doo Sung Hong),이현우(Hyun Woo Lee) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
This paper is aimed at presenting a computational model of a proton exchange membrane (PEM) fuel cell stack. The proposed simulation model is simple and at the same time includes all the important characteristics of a fuel cell stack. Close agreement between the simulation, manufacturer and experimental results confirm the validity and usefulness of the proposed FC model. Also, we propose the variable PI control method which has the best of follow efficiency than the PI control method we confirm a reduced ripple and improved follow efficiencies when the system is applied the DC-DC converter, by simulation using PSIM.
전류오차 신호를 이용한 간단한 MPPT제어기 설계에 관한 연구
강주성(Ju Sung Kang),고강훈(Kang Hoon Koh),최광주(Kwang Ju Choi),홍두성(Doo Sung Hong),이현우(Hyun Woo Lee) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
To improve the drawback of LCMPPT(Limit Cycle Maximum Power Point Tracking) controller of the existing two power conversion stages, advanced MPPT scheme of single power conversion stage is proposed in this paper. This topology is faster on the control speed by means of current control method and the system configuration is simpler. The Authors produce a battery charger by using a cost effective one-chip processor (PIC16F877A) and evaluate another application on the basis of simulation. As a result, the proposed new LCMPPT algorithm is confirmed to be stable and useful.