Based on the megawatt wind turbine generator system, the pitch control techniques for large scale wind turbines are deeply analyzed in this thesis.
本文以兆瓦级风力发电机为依托，对大型风力发电机变桨距控制技术进行了较深入的探讨。
With the rate of the variable speed wind turbines connected to the grid increasing, it will bring adverse influence on frequency control of the power system.
随着变速风电机组容量在电网中的所占比例的不断提高，其接入电网将给电力系统的频率控制带来不利影响。
This paper mainly introduces the use of multi-task control mode to design a hydraulic testing system for wind-turbines.
介绍了利用多任务控制方式来设计风力发电机液压测试系统。
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