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장기영(K.Y.Jang),이기선(K.S. Lee),조윤제(Y.J. Cho),조보형(B.H. Cho) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
An balanced tapped inductors using RPPT (Regulated Peak Power Tracking) system is proposed. In the series/parallel PPT system, battery charger and discharger are operating complementary. So they both can be combined into a single hardware block Battery charger and dis-charger share same magnetic cores, thus can be reduced core weights.
병렬 연결 배터리 모듈 시스템을 위한 새로운 충ㆍ방전기
이기선(K.S. Lee),조윤제(Y.J. Cho),장기영(K.Y. Jang),조보형(B.H. Cho) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
A novel integrated battery charger/discharger converter for a standardized battery module is proposed. Instead of using separate charger and discharger converters, it integrates these two converters into a single converter in order to minimize the size. The integrated charger! discharger converter not only regulates the solar array output power including the peak power tracking capability but also controls the battery charging/discharging current depending on the solar array output power and the load power. In addition, It offers a regulated bus voltage which simplifies the power distribution/conversion for the pay load
김만기(M.K.Kim),장기영(K.Y.Jang),추병호(B.H.Choo),이준배(J.B.Lee),서범석(B.S.Suh),김태훈(T.H.Kim) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
This paper presents a novel 3-phase IGBT module called the SPM (Smart power Module), This is a new design developed to provide a very compact, low cost, high performance and reliable motor drive system Several district design concepts were used to achieve the highly integrated functionality In a new cost-effective small package, An overall description to the SPM is given and actual application issues such as electrical characteristics, circuit configurations, thermal performance and power ratings are discussed
윤은정(E. J. Yoon),장기영(K. Y. Jang),박해인(H. I. Park),전지호(J. H. Jeon),박종태(J. T. Park),유종근(C. G. Yu) 대한전기학회 2010 정보 및 제어 심포지엄 논문집 Vol.2010 No.10
Nowadays energy harvesting technology using the light, I hear, vibration, and others is growing day by day. Since the harvested power is as low as about ㎼~㎽, the energy produced by energy harvesting should be managed it effectively. In this paper, power management unit(PMU) for a self-powered system based on solar energy is simply designed using the active/sleep scheme for low energy consuming wireless systems. An LDO and a temperature sensor are also designed to verify the operation of PMU.