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We studied on the response of small wind turbines to changes of wind speed and load. We assumed that the aerodynamic properties of a blade were described by a torque coefficient, which was measured in... constant wind speed. The coefficient is a function of a tip speed ratio only. On some assumptions for the torque coefficient, we show that the value of tip speed ratio, which has the maximum torque, is smaller than the value of the tip speed ratio, which has the maximum output power. Response times for change of wind speed and load were given as a function of the torque coefficient and the moment of inertia of the blade and generator system. It is found that they are proportional to the moment of inertia and are reversely proportional to wind speed.続きを見る
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Mendeley出力
