한국군사과학기술학회지 (Journal of the Korea Institute of Military Science and Technology)

  • 제17권5호
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  • Pages.694-702
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  • 2014
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  • 1598-9127(pISSN)
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  • 2636-0640(eISSN)
한국군사과학기술학회 (The Korea Institute of Military Science and Technology)
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수중함용 2차전지-연료전지 추진체계의 성능 예측을 위한 M&S 연구

Modeling and Simulation of Secondary Battery-Fuel Cell Propulsion System for Underwater Vessel to Estimate the Operation Time

  • 지현진 (한국과학기술원 기계공학과) ;
  • 조성백 (국방과학연구소 제4기술연구본부) ;
  • 배중면 (한국과학기술원 기계공학과)
  • Ji, Hyunjin (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Cho, Sungbaek (The 4th Research and Development Institute, Agency for Defense Development) ;
  • Bae, Joongmyeon (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
  • 투고 : 2014.03.03
  • 심사 : 2014.08.15
  • 발행 : 2014.10.05
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초록

One of the most important devices in an underwater vessel is a propulsion system. It should be a quiet and efficient system for stealthy operations in the large mission area. Hence lead-acid battery system has been used to supply the energy to electric motor. Recent technological developments and improvements, such as polymer electrolyte membrane(PEM) fuel cell and lithium polymer battery and have created the potential to improve overall power and propulsion performance. An underwater vessel always starts their mission with a limited energy and is not easy to refuel. Therefore design of energy elements, such as fuel cell and battery, and their load distribution are important to increase the maximum operating time of underwater vessel. In this paper, the lead-acid battery/PEM fuel cell and lithium polymer battery/PEM fuel cell were suggested as propulsion system and their performances were analyzed by modeling and simulation using Matlab/Simulink. Each model concentrated on representing the characteristics of energy element depending on demand current. As a result the effect of load distribution between battery and fuel cell was evaluated and the operation time of each propulsion system was able to be estimated exactly.

키워드

참고문헌

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