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A Feasibility Study of Low-Cost Hybrid Fuel-Cell System for Ship Auxiliary Power

선박 보조전원을 위한 저가형 하이브리드 연료전지 시스템 적용 타당성 연구

  • 양근령 (한국특수전지) ;
  • 안상용 (한국특수전지(주)/기술연구소/신기술팀) ;
  • 추진훈 (한국조선해양기자재연구원/해양에너지시스템설계팀)
  • Received : 2013.07.17
  • Accepted : 2013.12.24
  • Published : 2013.12.25

Abstract

This paper proposes the hybrid fuel cell system that can solve disadvantages of existing fuel cell system and ensure high reliability and high stability. The system consists of PEM fuel cell, Ni-MH battery and power management system. In this system, when the power provided from the fuel cell is higher than the load power, the extra energy may be used to charge the Ni-MH battery. When the fuel cell can not provide enough energy to the load, the shortage of energy will be supplied by the Ni-MH battery. Experimental results show that the output voltage is regulated well during load variations. Also, high system efficiency is achieved.

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