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전원측 무효전력 보상기능을 갖는 계통연계형 태양광 발전 시스템의 해석 및 설계
이상용(J.S. Gho),고재석(S.Y. Lee),한찬영(C.Y. Han),이정락(J. R. Lee),최규하(G.H. Choe),목형수(H.S. Mok) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
The application field of photovoltaic system has been increased widely. In the application of photovoltaic system, the utility interactive photovoltaic system(UIPVS) has benefits of not only the home energy saving in domestic system but also reduction of peak power which threaten the capacity of power plant equipment when the maximum power consumption is occurred in daytime This paper represents the effect of the nonlinear AC load which connected to the UlPVS with parallel connection and introduces the active power filtering(APF) techniques to the UIPVS for the reactive power compensation. The enhancement of source side power quality using APF algorithm is verified using simulation
Motor Drive 설계를 위한 Spice 용 Interface Tool 제작
이상용(S.Y Lee),고재석(J.S. Gho),목형수(H.S.Mok),최규하(G.H.Choe),최홍순(H.S.Choi),김덕근(D.G.Kim) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-
The parameter through the motor designing program is used to predict motor response and design the motor drive circuits. The application programs such as "Spice'' and "Saber" are often used for these However, making the electrical model of motor for these simulation tool is uncomfortable and impossible for general users. Therefore, in this paper, we develop the "Spice" library generation program with the motor designing program "Motor Expert". This program will assist the user to make the motor library comfortablely and correctly
계통연계형 태양광 발전시스템의 향상된 MPPT 알고리즘
이상용(S.Y.Lee),한찬영(C.Y.Han),고재석(J.S.Gho),최규하(G.H.Choe),목형수(H.S Mok) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
The photovoltaic systems with solar cell array provide electrical energy to the utility/consumers, which are becoming one of the promising energy substitutes. The photovoltaic system can be classified into two types: One is the stand-alone type. and the other utility interactive one. The latter can return the generated power' to the utility, but the former can't. The utility interactive systems are so valuable for peak power cut in summer season. In the photovoltaic systems the' maximum power point tracking (MPPT) has been studied for the increase of the generating energy of the photovoltaic system. There are many control methods of MPPT, but a new MPPT algorithm is proposed to overcome the disadvantages of the conventional ones, and as a result the proposed method enables to improve both tracking ability and generating efficiency of photo-system without DC chopper