Study on the ideal model of blade, we can work out the primary parameters of 1.5MW wind turbine's pitch control system.

通过建立理想气动模型的计算，尽可能真实地确定1.5MW的双馈异步发电机组的变桨距设备的主要参数。

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Pitch angle control system can change pitch, accordingly regulate the rotational speed and output power by adjusting blade incidence of wind-driven device.

变桨距是通过改变风力机叶片桨距角来改变风力机的转速，从而调整发电机输出功率。

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