Solar Energy (태양에너지)

The Korean Solar Energy Society (한국태양에너지학회)
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Modeling and Speed Control of a Horizontal Axis Wind Generator

수평축 풍력발전기의 모델링 및 속도제어

  • Lim, J.H. (Graduate School, Cheju National University) ;
  • Boo, S.H. (Faculty of Mechanical Energy and Production Engineering, Cheju National University) ;
  • Huh, J.C. (Graduate School, Cheju National University) ;
  • Kim, K.H. (Korea Institute of Energy Research)
  • 임종환 (제주대학교 기계에너지생산공학부) ;
  • 부성환 (제주대학교 대학원) ;
  • 허종철 (제주대학교 기계에너지생산공학부) ;
  • 김건훈 (한국에너지기술연구소)
  • Published : 2000.03.31
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Abstract

Wind turbine system converts wind energy into electric energy. Since the velocity of wind is random in nature, control of the angular velocity of the blade is necessary in order to generate high quality electric power. The control of a blade can be divided into a stall regulation and a pitch control types. The stall regulation type which is based on the characteristics of an aerodynamic stall of the blades is simple and cheap, but it suffers from fluctuation of the resulting power. Or the contrary, pitch control type is based on the fact that the torque of the blade can be changed by varying the pitch angle of the blade. It is mechanically and mathematically complicated, but the control performance is better than that of the stall regulation type. This paper suggests a method of denying a mathematical modeling of the wind turbine system, and develops a speed control algorithm by pitch control. The validity of the algorithm is demonstrated with the results produced through sets of simulation.

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