Journal of Hydrogen and New Energy (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Performance Analysis of Hydrogen Based Hybrid System Using HOMER - a Case Study in South Korea

수소기반 신재생에너지 복합발전 시스템의 지역별 운영성과 분석 - HOMER를 활용한 사례 연구

  • LEE, MYOUNG-WON (KU-KIST Green School (Graduate School of Energy and Environment), Korea University) ;
  • SON, MINHEE (KU-KIST Green School (Graduate School of Energy and Environment), Korea University) ;
  • KIM, KYUNG NAM (KU-KIST Green School (Graduate School of Energy and Environment), Korea University)
  • 이명원 (고려대학교 그린스쿨대학원) ;
  • 손민희 (고려대학교 그린스쿨대학원) ;
  • 김경남 (고려대학교 그린스쿨대학원)
  • Received : 2018.11.01
  • Accepted : 2018.12.30
  • Published : 2018.12.30
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Abstract

This study focuses on the performance of hydrogen energy based hybrid system in terms of system reliability of electricity generation. With this aim to evaluate the off-grid system of photovoltaic (PV), wind turbine, electrolyzer, fuelcell, $H_2$ tank and storage batteries, 14 different sites in South Korea are simulated using HOMER. Performance analysis includes simulation on the different sites, verification of operational behaviors on regional and seasonal basis, and comparison among a control group. The result shows that the generation performance of hydrogen powered fuelcell is greatly affected by geographical change rather than seasonal effect. In addition, as the latitude of the hybrid systems location decrease, renewable power output and penetration ratio (%) increase under constant electrical load. Therefore, the hydrogen based hybrid system creates the stability of electricity generation, which best suits in the southern part of South Korea.

Keywords

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Fig. 1. Schematic of the PV-wind-fuelcell-battery hybrid system

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Fig. 2. Flowchart of performance analysis on hybrid system operation

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Fig. 3. Geographical position of the considered locations in South Korea

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Fig. 4. Monthly solar radiation and wind speed by regions

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Fig. 5. Daily profile of system component outputs in Gangneung

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Fig. 6. Renewable penetration and power output correlations of each system

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Fig. 7. Monthly system performance in (a) Daegwallyeong and (b) Hueksando

Table 1. Classification of each generation system

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Table 2. List of the 14 observation stations

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Table 3. One variable summary on annual hybrid system outputs for Gangneung

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Table 4. Hybrid system outputs for a complete year by regions

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Table 5. Primary system outputs for a complete year by regions

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Table 6. Secondary system outputs for a complete year by regions

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Table 7. Hybrid system outputs for a complete year by regions

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Table 8. Availability of configured modalities of each system by latitude

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