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BTM 발전량을 고려한 평일 단기 전력수요예측 알고리즘
배동진(Dong-Jin Bae),권보성(Bo-Sung Kwon),문찬호(Chan-Ho Moon),우수화(Su-Hwa Woo),송경빈(Kyung-Bin Song) 한국조명·전기설비학회 2020 조명·전기설비학회논문지 Vol.34 No.11
The short-term load forecasting(STLF) is necessary for stable and efficient power system operation. With the spread of renewable energy, solar photovoltaic(PV) capacity is increasing. Most solar PV generator in South Korea is classified Behind-the-Meter(BTM) generator, such as small capacity of solar PV and distributed energy resources(DER). BTM generation is one of the main factors that change the load, and it causes the uncertainty of load forecasting. As a high penetration of BTM solar PV generator, load forecasting error is increased. The load forecasting algorithm using reconstituted load method is proposed to accurate load forecasting considering the BTM generation. The load forecast is performed for weekday excluding special days for the case studies in 2019. The proposed algorithm is improved a lot of the accuracy of STLF compared to the former STLF algorithms that do not considering BTM generation.
조명부하를 고려한 BTM 태양광 발전설비용량 추정 알고리즘
배동진(Dong-Jin Bae),권보성(Bo-Sung Kwon),우수화(Su-Hwa Woo),문찬호(Chan-Ho Moon),송경빈(Kyung-Bin Song) 대한전기학회 2021 전기학회논문지 Vol.70 No.5
In the era of energy transitions, solar photovoltaic(PV) resources and wind generators are rapidly increasing. Most small-scale solar PV generators in South Korea are located behind-the-meter(BTM). It is difficult for system operators to monitor the amount of PV generations in real time. Therefore, the amount of BTM solar PV generations have caused increasing the uncertainty of load forecasting. In order to improve uncertainty of load forecasting, this paper proposes an algorithm for BTM solar PV capacity estimation considering lighting load. The capacities of BTM solar PV resources are estimated using reconstituted load based temperature filtering process and lighting load estimation. The proposed algorithm was stable for performance on BTM solar PV capacity estimation and improved the accuracy of load forecasting throughout case studies.
이규성 ( Kyu Seong Lee ),배동진 ( Dong Jin Bae ),김성남 ( Seong Nam Kim ),강영신 ( Young Shin Kang ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.5
International price of cereal has been dramatically increasing for the past few years. This price hike amplified the importance of food self-sufficiency in numerous countries due to the fact that food security is directly proportional to food self-sufficiency. In this study, we conducted a survey to provide useful information of Cambodia`s agricultural environment to possible Korean agricultural investors and as to highlight Cambodia as a strong candidate for the establishment of Korea`s foreign base for cereal production. The survey conducted includes information regarding Cambodia`s agricultural environment and investment circumstances including the political, economical and other contributing factors affecting agricultural investment in Cambodia. Seventy percent of the Cambodia`s total population engage in agriculture and this comprises about 30% of the country`s GDP. This statistics reflects the possibility of Cambodia`s poverty alleviation which proves that agriculture in Cambodia is the driving force for the improvement of the country`s economy. In addition, low labor cost, fertile land, abundant water resources, like the Tonle sap lake and the Mekong river, and unreclaimed lands are the strong points that could attract agricultural investors to Cambodia. Poor infrastructure, irrigation systems, law reforms, including social and cultural differences may be the biggest setbacks for the acceleration of Cambodia`s agriculture development. However, the Cambodian government is open and willing to make adjustments for Cambodia to be both foreign and domestic agricultural investor-friendly, expecting that it will boost its country`s agricultural development. Making the best out of this opportunity, the coordination of KOICA with Korean agricultural investors in building infrastructures and with the help of the KOPIA program for the transfer of agricultural technology will benefit both countries and will play an important role in Cambodia`s agriculture.