Windturbine相关论文
Dynamic analysis of geared transmission system for wind turbines with mixed aleatory and epistemic u
This paper deals with the co-existence of mixed aleatory and epistemic uncertainties in a wind turbine geared system for......
Inception Mechanism of Lightning Upward Leader From the Wind Turbine Blade and a Proposed Critical L
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The wind turbines in the world\'s highest wind farm with an altitude of over 4 000 m in Naqu county of China were put ......
Empirical Mode Decomposition (EMD) is an ideal method for dealing with the vibration signal from gearbox of wind turbine......
As the rated power of a wind turbine increases, the blade thereof becomes slender and slender, thus making the aeroelast......
This work presents 3-D numerical simulation of ice accretion on a 5 MW horizontal axis wind turbine operating under icin......
This paper discussed the strain of the blade of the wind turbine caused by the aerodynamic force,the centrifugal force a......
Steel support structures (towers,monopiles,etc.) are among the most costly components of wind turbines.As a consequence,......
Renewable energies, such as solar and wind power, are increasingly being introduced as alternative energy sources on a g......
An Optimal Design of Hybrid Wind/Photovoltaic Electrolyzer for Maximum Hydrogen Production Using Imp
The rising demand for high density power storage systems such as hydrogen,combined with renewable power production syste......
大型风电机组轮毂处的有效风速难以直接测量,传统的风速估计方法具有滞后性,而泰勒冻结湍流假设忽略了激光雷达测量点到轮毂处的风......
In this study,tomographic PIV measurements were performed to visualize the three dimensional topology of the energet......
A compared with the translational-torsional dynamic model of planetary gear transmission system(PGTS)used in wind tu......
Dynamic and static frequency of the rotor about diameter of 1.4m small horizontal axis wind turbine was tested in di......
In this paper, the topic of Compressed Air Energy Storage (CAES) is discussed and a program in which it is being app......
为探究风力机叶片动态特性与分形维数之间的关系,基于湍流风谱模型Von Karman和NWTCUP生成2种风场,通过多体动力学软件FAST仿真出不......
为实现大型风力发电机长展型叶片阻尼抑颤,从调节阻尼叶片的结构阻尼和结构刚度出发,提出穿孔型阻尼抑颤结构叶片(简称穿孔阻尼叶片)。......
为提高风场总功率,减小上游风力机尾迹的影响,以实现风场全局优化的思想,利用致动线(ALM)方法,基于开源软件OpenFOAM对9种偏航工况......
为探究风力机湍流风况下结构动态响应,建立运行于以轮毂高度为参考点的全域风场中的风力机整机模型,以拉格朗日算法进行多体动力学......
针对风电机组多自由度载荷加载的需要,提出一种五自由度载荷复现的加载技术方案。将风轮、轮毂等部件等效成为加载盘,在该盘轴向和......
基于Park模型尾流区线性膨胀假设、径向风速呈高斯分布和多项式分布假设,提出两种新的修正工程尾流模型Park-Gauss模型和Park-poly......
随着风力机单机容量的不断增加,变桨矩控制起动、制动和输出均具有明显优势。特别在高于额定风速时,变桨距控制方式是一种行之有效......
以100W樟木-玻璃纤维复合材料叶片为研究对象,分析了不同风速下叶片载荷,通过ANSYS软件对叶片的应力分布进行仿真分析。结果表明,在实......
针对存在未知输入以及部分不可解耦干扰的风力机传动机构传感器故障的重构问题,提出了一种基于未知输入观测器(unknown input obse......
Robust nonlinear controller design of wind turbine with doubly fed induction generator by using Hami
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Robust nonlinear control strategy to maximize energy capture in a variable speed wind turbine with a
This paper proposes a control strategy to maximize the wind energy captured in a variable speed wind turbine,with an int......
随着社会的进步与经济的增长,传统的火力发电虽然能够为社会提供充足的电力能源,并满足当前电力能源的需求,但会对环境造成严重的......
风力发电作为清洁能源主要形式之一受到研究人员的重视。本文对目前风力发电控制策略进行梳理,从技术角度对风力发电系统中的风电......
为实现风力发电机偏航对风,在大型风力发电机半物理模型的基础上,采用西门子PLC设计了偏航控制器。运用TIA Portal V11设计了Wincc监......
随着风电企业开发规模的增长和机组运行年限的延长,如何自动监测风电场群中功率特性衰退的风电机组、及时采取措施、恢复机组的健康......
链式炮是一种安装在武斗直升机上的空对地航炮,是现代武斗机常用的武器装备,本次设计是链式炮射击速度控制系统的硬件和软件,经联试实......
应用人工神经网络的建模方法,采用多层感知器的模型结构,利用自适应学习速率的BP学习算法,辨识出风力机系统的功能模型,并把辨识模型的仿......
提出了以年能量输出量大为优化目标,使用复合形法搜索最优点的风力机浆叶总体优化设计模型,根据南澳风电场风速分布函数,使用该模型设......
利用风力发电原理,制作简易定桨距风力发电实验装置。测量风力发电装置输出功率及风能利用系数,利用测量结果探究同风速下风力发电......
将现代螺旋桨性能的改进升力线算法用于对水平轴风力涡轮性能的预估,通过在控制点上满足边界条件求解叶片环量分布,而不需要迭代求解......
简述风力气动优化设计的模型和方法,分析定桨距风力机桨叶外形变化对气动性能的影响,指出气动优化设计应考虑的优化目标和主要参数,并......
建立了大型水平轴风轮转子/塔架耦合系统的气动弹性模型,推导了转子/塔架耦合系统周期系数运动方程,给出了气动弹性稳定性分析方法。对......
简述了进行风力机叶片外形优化设计的转轴直接搜索可行方向法DSFD。根据该方法并参考南澳200kW定桨距风力机整体设计参数进行优化设计,给出了......
翼型的失速特性是失调速节型水风力机的气动性能分析和颤振分析的基础,许多涉及这类问题的研究大多只给出了翼型刚开始失速时的计算......
目前广泛使用的水平轴风力涡轮圾性能预估方法是基于经典的二维叶素理论以及二元风洞翼型实验数据。由于风力化的三元作用及旋转影......
讨论了水平轴风力机筒形塔架机构的静动态分析建模和有限单元类型的选取及计算方法,并以200kW风力机的六棱锥筒形塔架为例,计算并给出了静......
由于旋转的影响,基于经典二维叶素理论设计的水平轴风力涡轮叶片,在高风速工况下不能可靠运行,即存在失速延迟现象,采用不可压缩三维边......
为解决传统的水平轴风力涡轮设计与性能预估方法存在失速延迟现象的问题,以三维边界层积分方程为理论基础,分析讨论了产生这种现象的......