Operation Scheme to Regulate the Active Power Output and to Improve the Forecasting of Output Range in Wind Turbine and Fuel-Cell Hybrid System

출력변동 저감 및 출력범위 예측 향상을 위한 풍력-연료전지 하이브리드 시스템의 운영방법

  • 김윤성 (인하대 공대 전기공학과) ;
  • 문대성 (인하대 공대 전기공학과) ;
  • 원동준 (인하대 공대 전기공학부)
  • Published : 2009.03.01


The paper deals with an operation scheme to improve the forecasting of output range and to regulate the active power output of the hybrid system consisting of a doubly fed induction generator (DFIG) and a fuel-cell. The power output of the wind turbine fluctuates as the wind speed varies and the slip power between the rotor circuit and power converter varies as the rotor speed change. The power fluctuation of a DFIG makes its operation difficult when a DFIG is connected to grid. A fuel cell system can be individually operated and adjusted output power, hence the wind turbine and fuel cell hybrid system can overcome power fluctuation by using a fuel-cell power control. In this paper, a fuel-cell is performed to regulate the active power output in comparison with the regulated active power output of a DFIG. And it also improves the forecasting of output range. Based on PSCAD/EMTDC tools, a DFIG and a proton exchange membrane fuel cell(PEMFC) is simulated and the dynamics of the output power in hybrid system are investigated.


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