因为激烈的价格竞争以及对较低额定功率驱动的偏好，中国的中压驱动平均销售价格比全球平均销售价格低很多。
The average selling prices of medium voltage drives in China are much lower than the global average because of intense price competition and the prevalence of drives with lower power ratings.
发动机具有较高的效率比涡轮机的同时，额定功率。
An engine with a higher efficiency than turbines of the same power rating.
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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