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Optimal operation strategy of a large fuel-cell hybrid ship

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초록

Various international organizations have been working diligently to counter global warming. In particular, the International Maritime Organization has limited the emissions from ships. Accordingly, the development of electric propulsion ships is emerging as a widely discussed topic in the shipbuilding industry, and electric power sources such as fuel cells and batteries are being used as power sources for hybrid ships. In this study, a simulation was performed wherein the optimal operation strategy was applied to a fuel cell–engine generator–battery hybrid power source that can be used in a 200-ton tanker. The optimal operation strategy was first studied using a hybrid vehicle. We aimed to locate the operating point of the engine near the optimal driving range and to maintain the state of charge (SOC) of the energy storage system. Similarly, in hybrid ships, the operating points of the engine and fuel cells are placed in their respective optimal operating areas, and the SOC of the battery is near the target value. An actual operation strategy for hybrid ships, which is to be developed in the future by simulating the optimal driving strategy for large ships, was devised.

Abstract

Various international organizations have been working diligently to counter global warming. In particular, the International Maritime Organization has limited the emissions from ships. Accordingly, the development of electric propulsion ships is emerging as a widely discussed topic in the shipbuilding industry, and electric power sources such as fuel cells and batteries are being used as power sources for hybrid ships. In this study, a simulation was performed wherein the optimal operation strategy was applied to a fuel cell–engine generator–battery hybrid power source that can be used in a 200-ton tanker. The optimal operation strategy was first studied using a hybrid vehicle. We aimed to locate the operating point of the engine near the optimal driving range and to maintain the state of charge (SOC) of the energy storage system. Similarly, in hybrid ships, the operating points of the engine and fuel cells are placed in their respective optimal operating areas, and the SOC of the battery is near the target value. An actual operation strategy for hybrid ships, which is to be developed in the future by simulating the optimal driving strategy for large ships, was devised.

참고문헌 (12)

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  10. 김종수, "선박 운전 환경에 따른 하이브리드 전기추진선박의운전모드별 출력 특성에 관한 연구", 한국마린엔지니어링학회지, 41(3), pp.245~250 (2017), 한국마린엔지니어링학회[DOI]
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