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태양광 발전전력을 입력으로한 DC/DC 컨버터의 일정출력제어
황영민(Y.M.Hwang),조용길(Y.G.Cho),김춘삼(C.S.Kim),안인모(I.M.Ahn),이현우(H.W.LEE),우정인(J.I.WOO) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
In this paper, it is proposed to constant power control of solar power system<br/> The solar power system has disadvantage that low power density and variable power output Proposed strategy is controled by DC/DC converter using phase shift PWM and 1- PD type control applying type I digital system.<br/> The validity of proposed control strategy is verified from simulations results using PSIM.
공진형 FB DC-DC 컨버터의 정출력 제어에 관한 연구
우정인,노인배,노태균,김구형,황영민 동아대학교 생산기술연구소 1999 生産技術硏究所硏究論文集 Vol.4 No.2
Due to the development of information communication field not only the industrial electric machinrye but also the electronic·communication machinry including the computer and satelite, the interests for SMPS are increasing. Thus the low loss converter which can be operated in high speed switching is require. In this paper, a control strategy for the constant output power of resonant FB DC-DC converter in variable input voltage is proposed. The proposed control of system is I-PD type control applying type 1 digital system. The output voltage tracks the reference without any steady state error even in variable input voltage. The validity of proposed control strategy is verified by simulations using PSIM.
A Design of Novel Charge-Discharge Control System Using DC-DC Chopper
Hwang, Y. M.,Kim, Y. B.,Shin, D. R.,Kim, D. W.,Woo, J. I. 동아대학교 생산기술연구소 2001 生産技術硏究所硏究論文集 Vol.6 No.2
Stand-alone solar power generation system influenced by natural environment, continuous generation is impossible. therefore, The energy charging equipment is essential element. In this paper, we propose time-sharing equality charge method. this method Increase the life cycle of battery and improve safety. And we propose high-speed and high-efficiency charge through the PI controlled switching chopper. Also, we comparative analysis and experimental results are presented to show the validity of the proposed system.