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오태곤(Taegon Oh),박정제(Jeongje Park),조경희(Kyeonghee Cho),장펑밍(Fengming Zhang),최재석(Jaeseok Choi),백웅기(Ungki Baek) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
This paper proposes establishment of generator maintenance scheduling(GMS) considering CO₂ emission constraints. In this paper, and also, GMS is established due to freedom of GMS of generators owned by a designated generation company. The objective function model that is for minimizing CO₂ emission is used in this paper. The practicality and effectiveness of the proposed approach are demonstrated by simulation studies for a real size power system model in Korea in 2010.
오태곤(Taegon Oh),임진택(Jintaek Lim),최재석(Jaeseok Choi),전동훈(Donghoon Jeon),서철수(Chulsoo Seo),최진산(Jinsan Choi) 대한전기학회 2011 대한전기학회 학술대회 논문집 Vol.2011 No.10
In recent, the importance and necessity of some studies on reliability evaluation of transmission system comes from the recent black-out accidents occurred in the world. This paper evaluates the probabilistic reliability of transmission system which is reflected in the 5th power supply and demand plan in Korea. In order to evaluate the transmission system reliability, Transmission Reliability Evaluation for Large-Scale Systems(TRELSS) is used in this paper.
박정제(Jeongje Park),오태곤(Taegon Oh),조경희(Kyeonghee Cho),최재석(Jaeseok Choi),전동훈(Donghoon Jeon),박영신(Youngshin Park) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
The quantity evaluation of transmission system reliability is very important under competitive electricity environment. The reason is that the successful operation of electric power under the deregulated electricity market depends on transmission system reliability management. This paper introduces the comparative analysis in reliability assessment of Transmission Reliability Evaluation for Large-Scale Systems(TRELSS) and Power System Simulator for Engineering(PSS/E) for the evaluation of transmission system reliability.
박정제(Jeongje Park),오태곤(Taegon Oh),조경희(Kyeonghee Cho),최재석(Jaeseok Choi),전동훈(Donghoon Jeon),박영신(Youngshin Park) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
This paper presents the contingency analysis of power system using Transmission Reliability Evaluation for Large-Scale Systems (TRELSS) program. The characteristics of the TRELSSS program are illustrated briefly and the contingencies causing system problem are analyzed using the results from TRELSS program.
신뢰도 측면에서 수요관리를 고려한 웹기반 온라인 실시간 전력계통의 신뢰도 정보 시스템
조경희(Kyeonghee Cho),장펑밍(Fengming Zhang),오태곤(Taegon Oh),임진택(JinTaek Lim),최재석(Jaeseok Choi),송태호(Taeho Song) 대한전기학회 2011 대한전기학회 학술대회 논문집 Vol.2011 No.10
In recent years, the utilization of renewable resources has been receiving considering attention. Therefore the information system requirement is increased. Web based online real-time reliability integrated information system(WORRIS) considering wind turbine generators is asked rapidly for more efficiency. Specially, the reliability information system is more important for implementing the smart grid. This paper proposes WORRIS-II considering demand side management in view point of reliability.
A Study on Grid Expansion Planning of Power System Including Wind Turbine Generator
Kyeonghee Cho(조경희),Jeongje Park(박정제),Taegon Oh(오태곤),Fengming Zhang(장펑밍),Jaeseok Choi(최재석),Hongseok Choi(최홍석) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
This paper describes a new methodology for grid expansion planning considering the probabilistic reliability of a composite power system including wind turbine generators(WTG). The proposed model includes capacity limitations and transmission line unavailability. Wind energy is one of the most successfully utilized such source in producing electrical energy. The random nature of wind speed can be incorporated in the evaluation by representing the WTG as a multi-state model. This type of model comes from a nodal equivalent load duration curve based on a nodal effective load model developed in recent years. The characteristics and effectiveness of this simulation model are illustrated by several case studies using a test system.
웹기반온라인 실시간 신뢰도정보시스템을 이용하여 송전계통을 감안하고 풍력발전기를 고려한 복합전력계통의 확률론적 신뢰도 평가
조경희(Kyeonghee Cho),박정제(Jeongje Park),오태곤(Taegon Oh),최재석(Jaeseok Choi) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
This paper proposes a new methodology for evaluating the probabilistic reliability of a grid constrained composite power system including wind turbine generators(WTG) using WORRIS(Web Based Online Real-time Reliability Information System). The proposed model can consider capacity limitations and transmission line forced outage rates. The random nature of wind speed can be incorporated in the evaluation by representing the WTG by multi state models. A simple case study shows in detail how it is used to perform a reliability evaluation study in proposed model and the results in WORRIS.
박영신(Youngshin Park),전동훈(Donghun Jeon),박정제(Jeongje Park),오태곤(Taegon Oh),조경희(Kyeonghee Cho),최재석(Jaeseok Choi) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
The utilities have to integrate consumers' interruption cost representing reliability worth of electricity into the process of assessing investment level. In order to do so, the estimated outage cost must be included into quantitative index corresponding to system capital and operation investment cost to establish an optimal expansion plan. This paper is a study on the outage cost assessment by using macro approach for calculating IEAR(Interrupted Energy assessment Rates) and the TRELSS(Transmission Reliability Evaluation for Large-Scale Systems) program was used for EENS(Expected Energy Not Served)