1) pitch control
桨距角控制
1.
Inverse-system method for pitch control of a variable-speed variable-pitch wind generator;
基于逆系统方法的变速变桨距风机的桨距角控制
2.
An improved pitch control scheme is presented by introducing a frequency deviation signal into the control system.
提出了一种改进的桨距角控制方案——将系统频率偏差信号引入桨距角控制系统。
3.
The SVC with its controller model and pitch control model is set up in the power system s.
文中在DIgSILENT/PowerFactory中建立了静止无功补偿器(SVC)控制模型及风电机组桨距角控制模型,通过包含风电场的电力系统仿真计算验证了模型的有效性及其对异步机风电场与电网暂态电压稳定性的贡献。
2) pitch angle control
桨距角控制
1.
In accordance with the variation of wind speed,strategies for pitch angle control and rotational speed control were developed.
提出了风力机的桨距角控制策略和发电机的转速控制策略。
2.
In accordance with the variation of wind speed, strategies for pitch angle control and rotational speed control are developed.
以永磁体励磁多极直驱式同步风力发电机组(directly driven wind turbine with permanent magnet synchronous generators,D-PMSG)为对象,建立了包括风力机模型、传动系统模型和发电机模型的D-PMSG数学模型,提出了风力机桨距角和发电机转速的控制策略:桨距角的控制策略中以风速和发电机功率为输入信号,采用比例–积分控制很好地反映了不同风速对桨距角控制的不同要求;发电机转速控制策略中采用dq同步旋转坐标下的矢量控制方法,用d轴电流控制无功功率,用q轴电流控制转速,既实现了机组的解耦控制,又充分利用了发电机容量。
3.
On the basis of this model,the nonlinear dynamic inversion method was applied to design the pitch angle controller of the system working above the rated wind speed.
在此基础上,利用非线性动态逆方法,设计了系统在额定风速以上工作时的桨距角控制律。
3) pitch control
桨距控制
1.
The torque control,pitch control and general wind turbine coordinate control strategy of variable speed adjustable pitch wind turbine were researched.
针对变速变距机组的转矩控制、桨距控制以及整机的协调控制进行了研究。
4) pitch control
变桨距控制
1.
The control strategies and algorithms for variable speed pitch controlled wind turbines were presented in this pa- per.
讨论了额定风速以下的变速运行控制和额定风速以上的变桨距控制以及变速与变桨距两种控制策略的相互耦合关系;分析了风电机组主要部件包括叶轮、传动系统、塔架的各阶振动模态以及它们之间的相互影响力;提出了转矩控制对传动系统扭转振动和变桨距控制对塔架前后振动的影响力及控制方案;应用BLADED和MAT- LAB软件对主要控制环节进行设计及参数调整,并对机组的控制效果进行仿真。
2.
A disturbance accommodating Linear Quadratic Regulator(LQR)method was applied in pitch control system to achieve good performance.
为了获得更好的变桨距控制效果,将扰动校正LQR(Linear Quadratic Regulator)应用到风电机组变桨距控制中,该方法通过设计扰动状态观测器估计出作为扰动量的风速,在输入量中加入一个反馈量来消除风速产生的扰动影响,然后根据LQR控制理论,计算出状态反馈矩阵。
3.
Based on the analysis of power fluctuation induced by the response lag and rate limitation of pitch control,a new dual-mode power control strategy for a direct-driven permanent magnet synchronous generator(PMSG) was proposed.
在分析变桨距执行机构动作滞后及变桨速度限制带来的功率波动问题基础上,针对直驱式永磁同步风力发电机(permanent magnet synchronous generator,PMSG)系统,提出全风况下结合变桨距控制的双模功率控制策略。
6) pitch-controlled
变桨距控制
1.
Aiming at electro-hydraulic servo pitch-controlled system of wind turbine,self-adaptive GA PID controller is designed.
针对风力机电液伺服变桨距控制系统,设计了基于遗传算法整定的PID控制器,并通过计算机仿真,再现了系统跟踪阶跃信号的系统响应。
2.
Since importance of research on wind turbine pitch-controlled technology, the scheme of semi-physical simulation test-bed for wind turbine electro-hydraulic proportional pitch-controlled system was formed.
针对风力机变桨距控制研究的重要性,提出风力机电液比例变桨距系统半物理仿真试验台的设计方案。
3.
The thesis turns more comprehensive further investigation to pitch-controlled technology of wind turbine, from modeling to emulation and from theoretical to practice.
目前,风力机变桨距控制是风力发电领域研究的重点。
补充资料：角距
1.牛角与鸡距。比喻武器或精锐部属。 2.比喻党羽。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条