英德
有道
百度
谷歌
图片
维基
百科
变桨距 [biàn jiǎng jù]
feather
- 具体设计了变桨距机构液压控制方案和电机控制方案，并提出了高油压冗馀式电液比例变桨距机构的设计思路。
The two schemes those are the hydraulic control and the electromotor control of the pitch-controlled system were developed and a high pressure redundancy electro-hydraulic proportional pitch-controlled design was put forward. - 摘要在风力机空气动力学特性分析的基础上，讨论了变速恒频风力机组变桨距机构在低于额定风速阶段和高于额定风速阶段的不同控制策略。
Based on research of wind turbine aerodynamic characteristics, this paper analyzed various control methods for a pitch-controlled system of variable-speed and constant-frequency wind turbine at a wind velocity range higher or lower its speed rating respectively. - 在简述风力机特性的基础上，介绍了定桨距和变桨距发电机组的特点，重点分析了基于双馈发电机的变速恒频发电系统及桨叶节距角控制系统。
The characteristics of wind turbine generators as well as features of the fixed pitch wind turbine generator and the variable pitch wind turbine generator are presented, emphasizing on the variable speed constant frequency (VSCF) generating system based on doubly-fed generators and on the control system for pitch angles.
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