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태양광 및 ESS를 활용한 에너지자립변전소 구축 및 최적화 방안 연구

Title
태양광 및 ESS를 활용한 에너지자립변전소 구축 및 최적화 방안 연구
Other Titles
A study on Construction and Optimization of Energy Independent Substation Utilizing Solar Power and ESS
Author
오영도
Advisor(s)
고광철
Issue Date
2019. 8
Publisher
한양대학교
Degree
Master
Abstract
Under the "Plan for Implementation of Renewable Energy 3020" the government recently decided to expand the portion of new and renewable energy generation to 20 percent by 2030, and since it is particularly benefiting solar and wind power, it actively introduces solar and energy storage systems (ESS) to reduce maximum power demand and reduce energy consumption by reducing power usage. However, as the electricity rate system for promoting ESS utilization is temporarily in operation, if ESS is installed without considering load rate or peak power amount, the increase in the period of investment recovery after 2020 can cause economic problems due to non-appropriate investment In this paper, using solar power and ESS, the amount of energy supply and cost-saving effects in substations were identified and the economic feasibility of building the system was analyzed accordingly. To predict solar power generation, the monthly and hourly power generation rates were calculated based on the average daily power generation time in Korea, the Korea Meteorological Administration's "national time zone weather forecast data" and the annual solar power generation actual data for 2018 and ESS charging and discharging considering the electricity rate system for promoting ESS utilization. In sum, the economic analysis was carried out by calculating the pay-back period (PBP) and solar power generation was verified, but the ESS derived economic feasibility only when the benefit element was systematically supported.
URI
http://dcollection.hanyang.ac.kr/common/orgView/000000110088http://repository.hanyang.ac.kr/handle/20.500.11754/109523
Appears in Collections:
GRADUATE SCHOOL OF ENGINEERING[S](공학대학원) > ELECTRICAL ENGINEERING AND COMPUTER SCIENCE(전기ㆍ전자ㆍ컴퓨터공학과) > Theses (Master)
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