ELCC Approach for Calculating Capacity Credit of Wind Power in Korea

Chunhyun Paik; Yong Joo Chung; Young Jin Kim

doi:10.12972/ksmer.2017.54.5.491

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2017 Vol.54, Issue 5 Preview Page Next Page

Research Paper

ELCC Approach for Calculating Capacity Credit of Wind Power in Korea ELCC 방법을 이용한 국내 풍력 발전의 용량 크레딧 산정

31 October 2017. pp. 491-501

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Abstract

The share of wind power generation in domestic renewable energy is expected to increase significantly due to nationwide effort to reduce greenhouse gas emission and to enlarge the portion of renewable energy in electricity generation mix. In this study, the capacity credit, which is the most important factor for evaluating the effective capacity of domestic wind power, is calculated by using the ELCC (Effective Load Carrying Capability) methodology. The ELCC method is known to have the most sophisticated rationale among the various capacity credit estimation methods. We used the single-year data (2014) for the reference system, power demand and wind utilization. CC has been calculated to be about 0.3091 when the wind power penetration rate is less than 1%, and CC has a tendency of decreasing steadily with increasing penetration rate. According to the survey, there is no previous research on national level CC for domestic wind power generation.

Keywords

Wind power generation

Capacity credit

ELCC

Effective capacity

국내 재생에너지에서 풍력발전이 차지하는 비중은 국가 온실가스 감축과 신재생에너지의 확대 정책에 따라 크게 증가할 것으로 예상되고 있다. 본 연구에서는 국내 풍력의 실효 용량 산정에 가장 중요한 요소인 용량크레딧(Capacity Credit)을 ELCC(Effective Load Carrying Capability) 방법론을 이용해 산정한다. ELCC 방법은 방대한 입력자료가 요구되고 계산과정이 복잡하지만 여러 가지 용량크레딧 산정 방법 중에서 가장 정교한 이론적 근거를 가진 것으로 알려져 있다. 본 연구에서는, 기준시스템, 전력수요 및 풍력의 이용률에 대한 2014년도 자료를 이용하였다. CC는 풍력의 보급률이 1% 미만인 경우 약 0.3091로 계산되었으며, 보급률 증가에 따라 CC는 지속적으로 감소하였다. 본 연구의 조사에 따르면, 국내 풍력발전에 대한 국가 수준 CC에 대한 기존 연구는 없는 것으로 파악되었다.

키워드

풍력발전

용량크레딧

ELCC

실효용량

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Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 54
No :5
Pages :491-501
Received Date : 2017-07-19
Revised Date : 2017-09-25
Accepted Date : 2017-10-18
DOI :https://doi.org/10.12972/ksmer.2017.54.5.491

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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