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Alternative Title: Estimation of Renewable Energy Power Generation Ratio for Minimum Output Curtailments

Abstract: The renewable energy resources have been attracting public attention because of environment problems like global warming effect. Although the renewable energy has been constructed rapidly over the world, this uncontrolled power sources can cause a problem of grid stability such as unbalance situation between electricity supplement and demand load. Especially, variability of renewable energy can negatively affect to power system and increasing penetration of renewable energy causes penetration limit of renewable energy. The grid operator has curtailed renewable energy to maintain stable grid conditions. From this view point, this thesis is analyzed for wind and solar power generation ratios comparing with power load to minimize the limitation of grid connection clean energy. Also, it presents curtailed renewable energy depending on the ratio between wind and solar power generation. In addition, the application of energy storage system devices was also considered to maximize the use of renewable energy.

Table Of Contents: 그림 목차 iv
표 목차 vi
SUMMARY vii
1. 서 론 1
2. 재생에너지 발전비율 산정 방안 3
2.1 재생에너지 비율 산정의 필요성 3
2.2 재생에너지 한계용량 4
2.2.1 재생에너지 한계용량 분석 4
2.2.2 재생에너지 운전한계용량 산정 5
2.3 출력제한 사례 분석 6
2.4 재생에너지의 비율 산정 방법 7
2.5 ESS 연계 방안 9
2.5.1 ESS의 활용 9
2.5.2 ESS의 운영 10
3. 컴퓨터 분석 12
3.1 모델 전력계통 12
3.1.1 전력설비 현황 12
3.1.2 계통수요 현황 12
3.1.3 재생에너지의 부하분담 분석 13
3.2 모델의 용량 산정 14
3.3 출력 제약 최소화를 위한 발전 비율 산정 16
3.3.1 2020년 (WP+PV 점유율 30%) 17
3.3.2 2025년 (WP+PV 점유율 54%) 19
3.3.3 2030년 (WP+PV 점유율 77%) 21
3.4 ESS를 이용한 연계 효과 분석 23
3.5 결과 고찰 24
4. 결 론 26
참 고 문 헌 27

Appears in Collections:: Faculty of Applied Energy System > Electrical Engineering

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