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Wind Estimation Power Control using Wind Turbine Power and Rotor speed
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 Title & Authors
Wind Estimation Power Control using Wind Turbine Power and Rotor speed
Ko, Seung-Youn; Kim, Ho-Chan; Huh, Jong-Chul; Kang, Min-Jae;
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 Abstract
A wind turbine is controlled for the purpose of obtaining the maximum power below its rated wind speed. Among the methods of obtaining the maximum power, TSR (Tip Speed Ratio) optimal control and P&O (Perturbation and Observation) control are widely used. The P&O control algorithm using the turbine power and rotational speed is simple, but its slow response is a weak point. Whereas TSR control's response is fast, it requires the precise wind speed. A method of measuring or estimating the wind speed is used to obtain a precise value. However, estimation methods are mostly used, because it is difficult to avoid the blade interference when measuring the wind speed near the blades. Neural networks and various numerical methods have been applied for estimating the wind speed, because it involves an inverse problem. However, estimating the wind speed is still a difficult problem, even with these methods. In this paper, a new method is introduced to estimate the wind speed in the wind-power graph by using the turbine power and rotational speed. Matlab/Simulink is used to confirm that the proposed method can estimate the wind speed properly to obtain the maximum power.
 Keywords
rated wind speed;wind turbine;TSR;maximum power control;wind speed;
 Language
Korean
 Cited by
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