求翻译：但分析实际风电场运行数据发现，风电机组并不是完全按照理论给定的风速-功率特性曲线运行。造成这种现象的原因有：环境污秽、冰冻、沙尘等导致风电机组出力效率降低；风电机组控制系统参数设置不当等。为了找出风电机组实际运行的风速-功率特性，统计整理了某风电场风电机组的实测风速-功率运行数据，如图2所示。是什么意思？

But analysis of the actual wind farm operation data found that the wind turbine is not entirely in accordance with the theory of a given wind speed - power characteristic curve run. The reasons for this phenomenon: the environment filthy, freezing, dust resulting in lower output efficiency of the wi

However, analysis of actual wind farm run the data found that, as the wind power generating units and are not fully in accordance with theory to a given Wind Speed-power performance curve. It is caused by a dirty environment, frozen, and dust, and wind power generating efficiency contribute; wind po

But analyzes the actual wind electric field performance data to discover that, the wind electrical machinery completely defers to the wind speed - power characteristic curve movement which the theory assigns.Creates this kind of phenomenon the reason to include: The environment contamination, freeze

But the actual wind data analysis found that wind turbines are not entirely in accordance with the theory of a given characteristic curve of wind-power run. Causes of this phenomenon are: environment, dust, ice, dust, and other leading wind turbine output efficiency; wind turbine control system para

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