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논문 기본 정보

자료유형
학술저널
저자정보
김한성 (POSTECH) 최재원 (POSTECH) 최동구 (POSTECH)
저널정보
한국신재생에너지학회 신·재생에너지 신재생에너지 제14권 제1호(통권 제55호)
발행연도
2018.3
수록면
31 - 40 (10page)
DOI
10.7849/ksnre.2018.3.14.1.031

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초록· 키워드

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The number of wind farms in Korea is expected to increase due to the pressure of the post-2020 climate targets. However, this may result in some difficulties for the operation and expansion planning of our power system, due to the characteristics of wind energy, such as its intermittency and non-dispatchability. Generally, a decrease in these characteristics is called the ‘smoothing effect’. In this study, the smoothing effect is defined as a decrease in the variability of the power output. it is well known that the variability of the power output from wind farms is reduced when more wind farms are integrated into the system. A quantitative analysis of the smoothing effect is necessary to predict the variability of wind energy and this can help the power system to be operated or planned more efficiently. In this study, the methodologies of previous studies were applied to 6 wind farms in Korea. As a result, it was found that the smoothing effect in spring and winter was more effective than that in summer and fall and increased with increasing distance between the wind farms. The expected variability obtained from the equation estimated using the quantitative analysis of the smoothing effect was analogous to the variability of the aggregate power output from the entire wind farms in the power system.

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ABSTRACT
1. 서론
2. 자료 및 방법
3. 분석 결과
4. 결론
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UCI(KEPA) : I410-ECN-0101-2018-505-001800821