국내 전력 부하패턴 불균형 완화를 위한 수소 기반 에너지 저장 시스템 용량 산정 연구Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea
- Other Titles
- Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea
- Authors
- 김재연; 김혜옥; 김건휘; 김다솔; 류한솔; 박태현
- Issue Date
- Jul-2020
- Publisher
- 한국정밀공학회
- Keywords
- Polymer electrolyte membrane fuel cell (고분자 전해질막 연료전지); Energy storage system (에너지 저장 시스템); Standard fuel cell model (표준 연료전지 모델); Electrical load pattern (전력 부하패턴); Balance line of power demand-supply (전력 수요-공급 균형선); 고분자 전해질막 연료전지; 에너지 저장 시스템; 표준 연료전지 모델; 전력 부하패턴; 전력 수요-공급 균형선
- Citation
- 한국정밀공학회지, v.37, no.7, pp.547 - 554
- Journal Title
- 한국정밀공학회지
- Volume
- 37
- Number
- 7
- Start Page
- 547
- End Page
- 554
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/38469
- DOI
- 10.7736/JKSPE.020.029
- ISSN
- 1225-9071
- Abstract
- This study reports on the feasibility of applying polymer electrolyte membrane fuel cells (PEMFCs) system to an energy storage system (ESS). We modeled each constituting system to compute the overall efficiency of the ESS. As a result, itwas verified that the power plants’ electric powering capability can be curtailed. The amount of reduction is equal to that of 2nd Gori Nuclear Power Plant currently under construction. We calculated that approximately 320.85 L/day·MW of hydrogen is produced on a national scale. Also, Seoul’s demand output power of PEMFC and the requisite area of sites to install the PEMFC system are approximately 236 MW and 59059 m2 respectively. This study can contribute to preventing the upsurge of the entire electric powering installed capability. Based on the present technology level, this study diagnoses the use of hydrogen-based ESS which will be introduced in the upcoming hydrogen economy period. Considering the water electrolysis by polymer electrolyte membrane water electrolyzers are currently at the beginning of commercialization and the energy density per mass of hydrogen is exceedingly high, we anticipate that the future of hydrogen base ESS’ effectiveness will reach greater levels than the analysis of this study
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