variable blade meaning in English

可变安装角的叶片
转动叶片

With the continuous enlargement in capacity of a wind - power generator , the efficiency improvement of electric power generation had been become more and more important . the variable - speed constant - frequency ( vscf ) power generation , which is served to reach maximum wind - energy capturing and utilization for a variable blade - pitch wind - turbine , is the studying hot - spot of the wind - power generation technique at present
随着风力机组单机容量的不断增大，提高发电效率已是风力发电研究的重要内容。采用变桨距风力机实现最大风能捕获和利用的变速恒频发电已成为当前风电技术的研究热点。