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정병호(B.H. Jeong),최연옥(Y.O. Choi),최문한(M.H. Choi),이강연(K.Y. Lee),백형래(H.L. Baek),조금배(G.B. Cho) 전력전자학회 2007 전력전자학술대회 논문집 Vol.- No.-
Photovoltaic power systems convert sunlight directly into electricity. A residential PV power system enables a homeowner to generate some or all of their daily electrical energy demand on their own roof, exchanging daytime excess power for future energy needs In this paper, It was suggested that new design method for PV system installation for the purpose of system efficiency improvement. and according to loss parameter compensation method, designed for the PV system and investigated through the simulation practically.
정병호(B.H. Jeong),최낙일(N.I. Choi),민병국(B.G. Min),김동휘(D.H. Kim),백형래(H.L. Baek),조금배(G.B. Cho) 전력전자학회 2008 전력전자학술대회 논문집 Vol.- No.-
태양광/풍력복합발전시스템은 친환경에너지원의 대표적인 복합발전시스템이다. 본 논문에서는 복합발전시스템을 하나의 DC링크에서 안정적으로 연결하기 위해 슈퍼캐패시터를 도입하여 발전된 전력의 배터리 충전매체로 활용하여 시스템의 안정성으로 높이고 충방전효율을 증가시키고자 하였다.
최적의 스위칭각제어를 통한 SRM의 성능최적화에 관한 연구
정병호(B. H. Jeong),최연옥(Y. O. Choi),조금배(G. B. Cho),백형래(H. L. Baek),이성길(S. G. Lee),최문한(M. H. Choi) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
This paper represent improved On-line Tum off, commutation Angle control schemes for switched reluctance motors based on current control. For the purpose of the finding optimal commutation switching angle point, it is utilized tum on and tum off position calculation with inductance vs, current vs. flux linkage analysis method. The goal of proposed paper is the maximization of the energy conversion per stroke and maximizing efficiency and obtaining approximately flat-topped current waveform. The proposed control scheme is demonstrated on a simulation experimental result.
유도전동기 직접토크제어의 히스테리시스 밴드 크기의 최적화에 관한연구
정병호(B.H. Jeong),김성결(S.K. Kim),박정국(J.K. Park),오금곤(G.K. Oh),조금배(G.B. Cho),백형래(H.L. Baek) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
Most of all, DTC drive is very simple in its Implementation because it needs only two hysteresis comparator and switching vector table for both flux and torque control. The switching strategy of a conventional direct torque control scheme which is based on hysteresis comparator results in a variable switching frequency which depends on the speed, flux, stator voltage and the hysteresis of the comparator. The amplitude of hysteresis band greatly Influences on the drive performance such as flux and torque ripple and inverter switching frequency In this paper the Influence of the amplitudes of flux and torque hysteresis bands and sampling time of control program on the torque and flux ripples are investigated. Simulation results confirm the superiority of the DTC under the proposed method over the conventional DTC<br/>
소영섭,정병호,허은영,이해영,조영호,김정수,So, Y.S.,Jeong, B.H.,Heo, E.Y.,Lee, H.Y.,Jo, Y.H.,Kim, J.S. 대한산업공학회 1996 산업공학 Vol.9 No.2
In recent, most'of automobile industries adopt the concept of JIT production. According to the concept, the paternal manufacturers require their suppliers to supply parts just in time, so it is very important for a subcontractor to produce the parts in the appointed time of delivery. This study develops a production information system for Woosin Industry, which is one of such subcontractors of Hyundai Motors Company(HMC). The system is developed for use in Client/Server environment. In this study, the following three modules are developed, i. e., the production scheduling module, the sales management module to deal with the information about orders of HMC, delivery of parts, and bill collecting, and the module for supporting material requirements planning and purchase of material.
턴오프각제어를 통한 스위치드 릴럭턴스 전동기 성능 최적화
김지훈(J. H. Kim),정병호(B. H. Jeong),나종덕(J. D. Na),변문걸(M. G. Byun),조금배(G. B. Cho),백형래(H, L, Baek) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
This paper presents average torque control schemes for switched reluctance motors based on current control. For the purpose of finding the optimal switching point with proposed controller, It is utilized turn on and turn off position calculation with current controller. The goal of proposed paper is the maximisation of the energy conversion per stroke and maximising efficiency and obtaining approximately flat-topped current waveform. The proposed control scheme is demonstrated on a simulation with Matlab Simulink.
박정민(J M Park),정병호(B H Jeong),박정국(Z G Piao),최연옥(Y O Choi),조금배(G B Cho),백형래(H L Baek) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.4
This paper summarizes the results of these efforts by offering a photovoltaic system structure in 50㎾ large scale applications installed in Chosun University dormitory roof and simulation tool. This describes configuration of utility interactive photovoltaic system which generated power supply for dormitory. In this paper represent 50㎾ utility PV system examination result.