Optimization of Fuel Processing Unit of Fuel Cell System using Six-Sigma Technique

Six-sigma 기법을 이용한 연료전지시스템 연료저리장치 최적화

  • 정경용 (상지대학교 컴퓨터정보공학부) ;
  • 김선회 (상지대학교 신에너지.자원공학과)
  • Received : 2012.02.27
  • Accepted : 2012.03.16
  • Published : 2012.03.31


A reformer for a small fuel cell system is an apparatus which converts hydrocarbon fuel into hydrogen-rich gas. Among many indices of a reformer, the most crucial index of a reformer is CO concentration in the off-gas out of reformer which must be controled under 5ppm for the efficiency and performance of a system. This paper suggests the criteria of a reformer operation for the stability of a reformer in a fuel cell system by deducing crucial indices and improving processes. The six-sigma technique was applied to verify the optimum control and operation of a reformer of a fuel cell combined heat and power system. The result of temperature control of each parts of a reformer system is the concentration of CO which is the most important factor for the operation of a fuel cell system. The temperature of the parts of a reformer, MTS, LTS and Prox, were controled so that the concentration of CO.


Supported by : 상지대학교