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에너지 다소비 구역에 대한 연계선로 조류 계약 기반 계통연계형 지역단위 마이크로그리드의 최적설비계획
송용현,김승완 대한전기학회 2024 전기학회논문지 Vol.73 No.2
The imperative installation of distributed energy resources to mitigate greenhouse gas emissions in the power sector has introduced operational challenges. In response, microgrids are emerging as a solution, signifying a transition from conventional centralized systems to regional self-sufficient decentralized energy systems. Within the context, this study proposes four contract types governing interface flows between main grid and microgrids to enhance system benefits through proactive operational integration with the primary system. Additionally, the study presents a methodological framework for optimal planning and cost estimation, incorporating mathematical optimization theory and the unique characteristics of each contract type. A case study, utilizing diverse datasets such as authentic load profiles, meteorological observations, and technical and cost parameters, reveals that optimal investments vary based on contract types on interface flows. Notably, it highlights that effectively managing volatility in the lower-level system, necessitates increased investments in flexibility resources. Furthermore, an analysis of facility investment changes based on the target energy self-sufficiency rate indicates a gradual increase in the allocation of flexibility resources as the self-sufficiency rate increases.
Development of Classification Technique of Point Cloud Data Using Color Information of UAV Image
송용현,엄대용 한국측량학회 2017 한국측량학회지 Vol.35 No.4
This paper indirectly created high density point cloud data using unmanned aerial vehicle image. Then, we tried to suggest new concept of classification technique where particular objects from point cloud data can be selectively classified. For this, we established the classification technique that can be used as search factor in classifying color information in point cloud data. Then, using suggested classification technique, we implemented object classification and analyzed classification accuracy by relative comparison with self-created proof resource. As a result, the possibility of point cloud data classification was observable using the image’s information. Furthermore, it was possible to classify particular object’s point cloud data in high classification accuracy.
송용현,김승완,장영식,윤용태 한국정보통신설비학회 2013 한국정보통신설비학회 학술대회 Vol.2013 No.1
스마트 그리드 환경하에서 배전 계통의 분산전원의 비중을 높임으로써 생기는 운영 상의 문제점에 대한 일반적인 해결책으로 DMS(Distribution Management System)가 개발되고 있다. DMS는 배전 자동화 시스 템을 기반으로 계통의 운전, 진단 및 유지관리 기능을 수 행한다. 기존 DMS의 경제성 평가에서는 운영비용의 감소에만 초점을 맞추었지만 이 경우 진단 및 유지관리 측면에서의 이점을 고려하지 못한다. 이에 본 논문에서는 DMS의 각 기능이 신뢰도에 미치는 영향을 고려한 경제 성 평가 방법을 제안한다. 신뢰도 지표에 대한 각 기 능의 영향을 분석하고 신뢰도 지표의 변화를 비용으로 산출하는 방법을 고려하였다.
Structural characterization of calmodulin like domain of ryanodine receptor type 1
송용현,강선미,박성혁 한국자기공명학회 2015 Journal of the Korean Magnetic Resonance Society Vol.19 No.2
Ryanodine receptor (RyR) is one of the two major Ca2+ channels in membranes of intracellular Ca2+ stores and is found in sarcoplasmic reticulum (SR), endoplasmic reticulum (ER). RyR1 is also the major calmodulin-binding protein of sarcoplasmic reticulum membranes.