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동복․북촌 풍력발전단지 연계형 에너지저장시스템 경제성 분석

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Alternative Title
Economic Analysis of an Energy Storage System Connected with the Dongbok-Bukchon Wind Farm
Abstract
Korean Government implemented a Renewable Portfolio System(RPS) which obligates the electricity generation companies with capacity of more than 500 MW to supply a certain percentage of electricity energy generated by renewable sources.
Energy storage systems(ESS) connected with wind power generation are basic facility that can help to maintain balance of supply and demand in the electric grid, and are utilized in various fields related to its energy efficiency improvement and stable operation. Electric energy generated by the wind farm and stored in the battery at the light load time can be released at the peak load time, which can give additional revenue to the wind farm owner.
The wind farm owners will earn revenue from the electricity sales sold by more expensive System Marginal Price(SMP) at the peak time and from the Renewable Energy Certificate(REC) transaction with additional weighting factor.
This paper analyzed the economic feasibility of Jeju Energy Corporation's Dongbok-Bukchon Wind Farm connected with ESS based on two years commercial operation. It was shown that the energy conversion efficiency of the Battery(BAT) between charging and discharging was 93% at the terminals of Energy Management System(EMS) and 90% at the terminals of Vacuum Circuit Breaker(VCB). After operating the ESS for two years, it was found that the generated electric energy decreased by 1,052㎿h (0.99%) due to the loss of BAT charging and discharging, but the revenue increased by 2,855 million won(10.88%).
Author(s)
李承煥
Issued Date
2019
Awarded Date
2019. 8
Type
Dissertation
URI
http://dcoll.jejunu.ac.kr/common/orgView/000000009022
https://oak.jejunu.ac.kr/handle/2020.oak/23921
Alternative Author(s)
Lee, Seung Hwan
Affiliation
제주대학교 산업대학원
Department
산업대학원 전기공학과
Advisor
이개명
Table Of Contents
그 림 목 차 ⅲ
표 목 차 ⅴ
SUMMARY ⅵ
Ⅰ. 서 론 1
Ⅱ. 제주지역 풍력발전단지 연계형 에너지저장시스템 운영 현황 3
2.1 ESS 사업 비즈니스 구조 3
2.2 SMP 및 REC 가격 5
2.3 제주지역 풍력발전단지 ESS 설비 현황 14
2.4 동복북촌 풍력발전단지 ESS 설비 현황 15
Ⅲ. 에너지저장시스템 경제성 분석 17
3.1 동복북촌 풍력발전단지 ESS 운영실적 17
3.2 20172018년 동복북촌 풍력발전단지 매출 비교 20
3.3 ESS 경제성 분석 27
3.4 결과 및 고찰 33
Ⅳ. 결 론 34
참 고 문 헌 35
Degree
Master
Publisher
제주대학교 산업대학원
Citation
李承煥. (2019). 동복․북촌 풍력발전단지 연계형 에너지저장시스템 경제성 분석
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Graduate School of Industry > Electrical Engineering
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