数字仿真表明，在风速低于额定风速时变速运行捕获能量比恒速运行捕获能量大；节距调节控制可以很好地使输出功率稳定在额定功率左右。

The simulation results indicate that wind turbine is operated at maximum power coefficient with variable-speed mode and the output power of generator is kept around rated power with pitch control.

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