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출력 전압파형 개선을 위한 새로운 Hybrid형 멀티레벨 인버터
주성용(S.Y. Joo),강필순(F.S. Kang),김철우(S.J. Park),박성준(T.J. Kim),김태진(C.U. kim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
This paper presents a novel hybrid type multilevel inverter In order to improve the waveshape of output voltage. The proposed multilevel Inverter is cons1st of two full-bridge modules for level creation and one full-bridge module for PWM operation. The generated levels are total 11-level: 9-level by the level inverter and 2-level by the PWM Inverter. The operational principles and analysis are explained and validity of the proposed system 1S verified through the experimental results using a prototype.
정경수(K-S Jong),박성준(S-J Park),강필순(F-S Kang),안진우(J-W Ahn),이상훈(S-H. Lee),이만형(M-H Lee) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
Recently the study on the new and renewable energy is being addressed and the application examples about it are also increasing as greatly as possible. In this paper, the battery charge controller of street lamp power using wind and solar energy is made and tested.
주성용(S.Y. Joo),이정환(J.H. Lee),강필순(F.S. Kang),김철우(S.J. Park),박성준(C.U. Kim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
In this paper, a novel multilevel inverter using DC-Link voltage combination is presented to reduce the harmonics of output voltage without the output filter inductor The proposed multilevel inverter can generate 27-level output voltage. It employs three H-bridge cells which consist of single phase full- bridge inverter module. As well as, It can make continuous output voltage level employing the properly three DC-Link voltage ratio.<br/> The validity of the proposed inverter is verified through the experimental result using a prototype which can generate a 110[Vdc], 60[Hz] output voltage from 12[Vde], 36[Vdc], and 108[Vdc] input voltages<br/>
박현욱(H.W.Park),안성훈(S.H.Ahn),강필순(F.S.Kang),천장근(C.G.Chung),김철우(C.U.Kim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
In this paper, a novel PFC AC/DC converter is presented to be appropriate for AC PDP's power driving system The conventional PFC AC/DC converter has independent power stages and controllers for their switching respectively, which should have increased price, size on manufacturing and decreased Its efficiency as well So this advanced Single-Stage Power Factor Corrector is presented and verified through spice simulation.