兆瓦级风力发电机组变桨距系统 关键词：变桨距系统；ECSxA变频器；桨距角；非线性PID [gap=644]Key words：variable pitch system；ECSxA inverter；pitch angle；non—linear PID
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Variable-pitch Control System 变桨控制系统
Variable Pitch Control System 变桨距控制系统
variable pitch controlling system 变桨距液压控制系统
In this paper, the mathematical model of DFIG and variable pitch system is established.
本文分别分析了双馈发电机和变桨距系统的数学模型。
The good or bad of variable pitch system affects wind generating set efficiency, safe operation and stable operation to a large extent.
变桨距系统的好坏很大程度地影响风力发电机组的效率、安全运行与稳定运行。
First, wind turbine aerodynamics and variable pitch control process was discussed to provide theoretical studying basis for studying of the system design and control strategy.
首先对风力机空气动力学和变桨距控制过程进行了探讨，为系统的设计及控制策略的研究提供理论基础。
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