New & Renewable Energy (신재생에너지)

Korean Society for New and Renewable Energy (한국신·재생에너지학회)
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A Comparative Assessment of Hydrogen Facility Installation for Net-Zero Energy District Planning

제로에너지단지의 적정 수소 활용 규모 및 운용방식에 관한 연구

  • Junoh Kim (RE Urban and Architectural Design Workshop Co. Ltd.) ;
  • Chulhee Kim (RE Urban and Architectural Design Workshop Co. Ltd.) ;
  • Soyeon Chu (RE Urban and Architectural Design Workshop Co. Ltd.)
  • Received : 2023.06.22
  • Accepted : 2023.07.27
  • Published : 2023.09.25
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Abstract

This study aims to evaluate the optimal size of the hydrogen facility to be installed in a zero-energy district in terms of load matching and facility efficiency. A mismatch between energy generation and consumption is a common occurrence in zero-energy districts. This mismatch adversely effects the energy grid. However, using an energy carrier such as hydrogen can solve this problem. To determine the optimal size of hydrogen fuel cells to be used on-site, simulation of hydrogen installation is required at both district-and building- levels. Each case had four operating schedules. Therefore, we evaluated eight scenarios in terms of load matching, heat loss, and facility operational efficiency. The results indicate that district-level installation of hydrogen facilities enables more efficient energy use. Additionally, based on the proposed model, we can calculate the optimal size of the hydrogen facility.

Keywords

Acknowledgement

이 연구는 2021년도 산업통상자원부 재원으로 한국에너지기술평가원(KETEP)의 탄소중립 사회구현을 위한 수소 기반 에너지 체계 구축 방안 연구 사업으로 지원받아 수행되었습니다(No. 20213030030270).

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