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읍·면 지역 에너지 소비, 재생에너지 잠재량 조사에 기반한 에너지 자립 가능성 연구 - 충남 홍성군을 중심으로 -
윤성권 ( Yun Seong Gwon ),김윤성 ( Kim Yun Soung ) 한국농촌계획학회 2023 농촌계획 Vol.29 No.2
In order to energy self-sufficiency in town and village areas, it is important to break down the spatial unit and understand the scale of the local energy supply and demand system. In this study identified the energy consumption and renewable energy resources of towns and villages in Hongseong County. Energy self-sufficiency rates and possibilities were derived for each region, and suitable types of self-sufficiency were suggested. As a result, it was found that Hongdong-myeon, Janggok-myeon, and Seobu-myeon have the potential to achieve energy self-sufficiency. Each of these areas has unique characteristics that make them suitable for different types of energy models. Hongdong-myeon could be classified as a rural, energy integration, and energy self-sufficiency model, Janggok-myeon as a mountainous, bioenergy, and energy trading model, and Seobu-myeon as a fishing village, solar, and energy self-sufficiency model. This study can assist in recognize the phenomenon in rural areas, which will help in formulating practical and effective energy self-sufficiency plans for these areas.
윤성권(Seonggwon Yun),김윤성(Yunsoung Kim),문효동(Hyodong Moon),임현지(Hyunji Im),권필석(Pilseok Kwon) 한국신재생에너지학회 2019 신재생에너지 Vol.15 No.2
As renewable energy generation is expanding, technology (Electric Vehicles, Energy Storage Systems, etc.) is being developed to respond to the variability of renewable energy and improve the grid stability. This study analyzed the effects of EV expansion on both renewable energy variability and power system flexibility. The scenarios were based on the combined modeling for the electric and transport sector. As a result of modeling, EV expansion has contributed significantly to reducing curtailment. The RE20% (Renewable Energy Power Generation Share 20%) scenario did not result in curtailment when EV reached 3 million units. The RE30% Scenario showed that EV reached 7 million units or other ESS technologies should be applied together to reduce curtailment significantly. This modeling considered smart charging. In reality, other charging types are more common than smart charging. Various institutional devices and polices will be needed to realize that. In addition, it will be necessary to study the unique characteristics of transportation.