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설비고장의 불확실성을 고려한 송변전계통의 공급신뢰도 특성곡선에 관한 연구
田東勳(Dong-Hoon Jeon),金建中(Kern-Joong Kim) 대한전기학회 2008 전기학회논문지 Vol.57 No.9
In this paper, we proposed new reliability characteristic curve, which can clearly show reliability property of transmission and substation system considering uncertainty such as frequency and duration of device fault. It express the relationship of duration of load curtailments, demand not supplied, and 'energy not served as "y = ax?¹" curve. and we proposed the method, which can objectively assess reliability of transmission and substation system using proposed characteristic curve as new reliability index. In this method, we used energy index of reliability(EIR) as a criterion of assessment. Finally, we performed a variety of case study for KEPCO system in order to verify usefulness of proposed method.
SCADA에서의 설비 오조작 방지를 위한 방사상계통 자동판별시스템 개발
田東勳(Dong-Hoon Jeon),金泰元(Tae-Won Kim),沈鼎雲(Jeong-woon Shim),金建中(Kern-Joong Kim) 대한전기학회 2008 전기학회논문지 Vol.57 No.1
In this paper, we proposed the method judging whether transmission system is radial system or loop system using simple set theory. And we proposed the method judging whether power device's operation causes of blackout or not. Using proposed method, we developed automatic judgement system of radial system for preventing power device's wrong control in SCADA. Finally, we simulated a variety of case study using SCADA simulator with developed system, and verified reliability of the result and performance of developed system.
TRELSS를 이용한 우리나라 전력계통의 확률론적 신뢰도 평가에 관한 연구
田東勳(Dong-Hoon Jeon),崔在錫(Jae-Seok Choi),金建中(Kern-Joong Kim) 대한전기학회 2006 전기학회논문지A Vol.55 No.11
This paper evaluates the reliability of KEPCO system using TRELSS, which is a probabilistic reliability evaluation program for large-scaled power system. In order to reflect the characteristic of KEPCO system, the sensitivity of reliability indices such as LOLP, EDLC, EENS and Energy Curtailment for variations of TRELSS parameter and input data was analyzed. Additionally, probabilistic reliability of KEPCO system reflecting sensitivity analysis results was systematically evaluated and simulated. Finally, maximum acceptable FOR of KEPCO system to satisfy reliability criterion. which meet in process of establishing the basic plan for long-term electricity supply and demand is suggested.
전동훈(Dong-Hoon Jeon),박정제(Jeong-Je Park),오태곤(Tae-Gon Oh),조경희(Kyeong-Hee Cho),최재석(Jae-Seok Choi),백웅기(Ung-Ki Baek) 대한전기학회 2010 전기학회논문지 Vol.59 No.9
The CO₂ emission can be decreased due to freedom of generator maintenance scheduling(GMS). This paper proposes assessment of CO₂ emission considering generator maintenance scheduling(GMS) and evaluates effect of the GMS on CO₂ emission. And also, this paper assesses the CO2 emission and the probabilistic production cost simulation of nuclear and thermal power generators considering operation of hydro and pumped generator. The minimum reliability criterion level satisfied production cost minimization function model is used in this paper. The practicality and effectiveness of the proposed approach are demonstrated by simulation studies for a real size power system in Korea in 2010.
반도체 공정 교육을 위한 교육용 컴퓨터 모델 설계 및 구현
한영신,전동훈,Han, Young-Shin,Jeon, Dong-Hoon 한국시뮬레이션학회 2009 한국시뮬레이션학회 논문지 Vol.18 No.4
The primary purpose of this study is to build computer models referring overall flow of complex and various semiconductor wafer manufacturing process and to implement a educational model which operates with a presentation tool showing device design. It is important that Korean semiconductor industries secure high competitive power on efficient manufacturing management and to develop technology continuously. Models representing the FAB processes and the functions of each process are developed for Seoul National University Semiconductor Research Center. However, it is expected that the models are effective as visually educational tools in Korean semiconductor industries. In addition, it is anticipated that these models are useful for semiconductor process courses in academia. Scalability and flexibility allow semiconductor manufacturers to customize the models and perform simulation education. Subsequently, manufacturers save budget.