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오세승(Oh Sea Seung),장길수(Jang Gilsoo),문승일(Moon Seungil) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.11
Visualization has a strong capability to manage and display a large volume of data. It makes system analysis more intuitive and helps an operator In monitoring system status, understanding its phenomena, identifying its problems, and performing corrective action to maintain the security of the system. In this paper visualization program is developed based on a COTS-based software development concept in a distributed environment using open-source application software and development tools.
Power Tracing을 이용한 VSC HVDC 설치위치 선정
오세승(Oh Sea Seung),장길수(Jang Gilsoo),문승일(Moon Seungil) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.11
This paper presents a HVDC site selection algorithm to increase transfer capability using VSC HVDC system which can control active power as well as reactive power. Using normal powerflow results and simple index k<SUB>r</SUB> the HVDC site selection algorithm is enhanced and more tightly-coupled transmission lines are identified in a domain of generators.
디젤기관과 촉매코팅필터를 이용한 NOx와 Soot의 동시저감에 관한 연구
채재우(JaeOu Chae),박창하(Changha Park),문승일(Seungil Moon),Vladimir Demidiouk,이대엽(Daeyup Lee),정태균(Taegyun Jung) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_1
Recently, for the past ten years(1990-2000), the pollutant control of emitting exhaust gas for vehicles with internal engines has became more strict. The main harmful components of the pollutants in the exhaust gas of diesel engines are NOx, PM, HC and CO. Numerous researches have been made elsewhere in the world to reduce the pollutant components of the exhaust gas. But the problems were not yet cleared industrial for the appliances. Thus, the intensive studies in this fields are still being carried out.<br/> The aim of this study is for the reduction of NOx and Soot using Catalyst Coating Filter (CCF) with the experimental study on the factors which have influence on the continuous regeneration of the filter. The experiments were performed in this work at conditions of load(%) at ; 50, 75, 100, and speed(rpm) at ; 1000, 1250, 1500, 1750.
풍력발전기를 고려한 전력계통의 확률론적인 신뢰도 평가에 관한 연구
朴正濟(Jeongje Park),吳量(Wu Liang),崔在錫(Jaeseok Choi),文承逸(Seungil Moon) 대한전기학회 2008 전기학회논문지 Vol.57 No.9
This paper presents a study on reliability evaluation of a power system considering wind turbine generators (WTG) with multi-state. Renewable energy resources such as wind, wave, solar, micro hydro, tidal and biomass etc. are becoming importance stage by stage because of considering effect of the environment. Wind energy is one of the most successful sources of renewable energy for the production of electrical energy. But, reliability evaluation of generating system with wind energy resources is a complex process. While the wind turbine generators can not modelled as two-state model as like as conventional generators, they should be modelled as multi-state model due to wind speed random variation. The methodology for obtaining reliability evaluation index of wind turbine generators is different from it of the conventional generators. A method for making outage capacity probability table of WTG for reliability is proposed in this paper. The detail process is presented using case study of simple system