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환경비용 및 운용방식을 고려한 마이크로그리드 최적 엔지니어링 연구
박중성(Park, Jung-Sung),신혜경(Shin, Hye-Kyeong),이덕수(Lee, Duck-Su),이학성(Lee, Hak-Seong) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.10
Environmental issue is one of the key factors to industry area using fossil fuels, because it accelerates the global warming. So it is supposed to reduce greenhouse gases around the developed nations of the world at times go. This issue is especially for the power industry. Under this background, CHP system that consists of Distributed Energy Resources (DER) system, such as natural power system (wind, solar) and fuel-cell, co-generation, also known as CHP (Combined heat and power), has been developed greatly during the last 10 years. This paper adopts optimal model using GAMS to develop methods for conducting an integrated assessment of MicroGrid system.
박중성(Jung-Sung Park),이학주(Hak-Ju Lee),채우규(Woo-Kyu Chae),김주용(Ju-Yong Kim),조진태(Jin-Tae Cho) 대한전기학회 2012 전기학회논문지 Vol.61 No.7
The microgrid concept assumes a cluster of loads and microsources operating as a single controllable system that provides a new paradigm for defining the operation of distributed generation. This system can be operated as both grid-connected mode and islanded mode. In other words, the microgrid can be operated to meet their special need; such as economics in steady state and local reliability in islanded mode due to the grid fault. This paper presents the AGC (Automatic Generation Control) method for microgrid with EMS (Energy Management System).
건축주 입장을 고려한 LED조명 프로그램의 한계 분석 연구
황성욱(Sung-Wook Hwang),박중성(Jung-Sung Park),채우규(Woo-Kyu Chae),이학주(Hak-Ju Lee),송일근(Il-Keun Song),김정훈(Jung-Hoon Kim) 한국조명·전기설비학회 2013 조명·전기설비학회논문지 Vol.27 No.5
Various DSM (Demand Side Management) programs have been developed and carried out to use the limited energy resources of human-beings reasonably. LED lighting is one of essential DSM programs and the development of technologies is ongoing vigorously. Recently, one-person households have been increased and the electricity consumption pattern is different with conventional households because residents live as a single. On the other hand, owners of the one-person households tend to not prefer to install high efficient appliances due to the cost increasement. Therefore, the existing DSM subsidy programs should be revaluated so that the owners decide to install high efficient appliances.
이학주,채우규,박중성,김주용,김찬영,Lee, Hak-Ju,Chae, Woo-Kyu,Park, Jung-Sung,Kim, Ju-Yong,Kim, Chan-Young 한국조명전기설비학회 2011 조명·전기설비학회논문지 Vol.25 No.7
PCS(Power Conditioning System) is the necessary component in Microgrid, composed of multiple distributed generators and energy storage system. In this paper, the functions of PCS are defined and 10[kW] PCS for PV and BESS are developed. To apply PCSs to Microgrid, this paper presents a 3-phase inverter with the decoupling current controller, voltage controller and DPLL control system. PCSs were applied to 120[kW] pilot plant and its performance tests were carried out. Test results of PCS at each operation mode show stable in Microgrid.
지중 배전계통 적용을 위한 광복합 케이블 실시간 감시시스템 개선
조진태(Jin-Tae Cho),김주용(Ju-Yong Kim),이학주(Hak-Ju Lee),박중성(Jung-Sung Park) 한국조명·전기설비학회 2012 조명·전기설비학회논문지 Vol.26 No.7
Since power system is switching to smart grid, on-line monitoring technology has become necessary for underground distribution power cable. Therefore, the application of DTS(Distributed Temperature Sensing) technology using OFCPC(Optical Fiber Composite Power Cable) capable of monitoring underground distribution power cables has been developed. These can bring about reductions in faults and increases in operating capacity of underground distribution system. To date, the test-bed of optical fiber composite power cable on-line monitoring system has been constructed. Then, matters to be improved have been drawn through verification experiments. This paper presents the improvement and experiment results of the optical fiber composite power cable on-line monitoring system to apply to underground distribution lines in the field.