The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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A Study on HVDC and BESS Application for High Penetration of Renewable Energy Sources

제주지역 재생에너지 수용을 위한 HVDC 및 BESS 활용에 관한 연구

  • Received : 2021.10.07
  • Accepted : 2021.12.17
  • Published : 2021.12.31
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Abstract

There are variety of reasons for renewable energy curtailment, including lack of transmission availability and grid system stability. In the Jeju island region, there are many cases in which the supply of electricity is already increased compared to the demand for electricity due to the increase of solar and wind power generation facilities, and accordingly, the number of curtailments for wind power generation is increasing. This research aims to find the direction of efficient reception of renewable energy and stable operation of the power system using HVDC(High Voltage Direct Current) and BESS(Battery Energy Storage System) facilities that are in charge of power supply in Jeju island. And the paper suggests a practical operation plan for optimal system operation, and the direction of system operation of the land power system due to the expansion of solar and wind power generation facilities in the future.

재생에너지 출력제한은 송전용량과 전력계통 안정성 부족을 포함하여 다양한 원인이 있다. 제주도 지역에서는 태양광 및 풍력 발전설비의 증가로 이미 전력수요에 비해 공급이 많아지는 사례가 자주 발생하고 있으며, 이에 따라 풍력발전의 출력제한 횟수가 증가하고 있다. 본 연구에서는 제주도 전력공급의 핵심 역할을 담당하고 있는 HVDC(고전압 직류)와 BESS(배터리 에너지 저장장치) 설비를 활용하여 재생에너지의 효과적인 수용과 전력계통의 안정적 운영 방향을 찾는 것이다. 그리고 이 논문에서는 각 설비들의 실질적인 운전방안을 제시하고 향후 태양광 및 풍력 발전설비의 확대에 따른 육지 전력계통의 운영 방향을 제안한다.

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