1) doubly-fed induction generation
双反馈发电机
2) doubly-fed generator
双馈发电机
1.
Study of AC excited doubly-fed generator used by variable-speed constant-frequency wind power generation;
变速恒频风力发电用交流励磁双馈发电机的研究
2.
Grid-connection control strategies for variable speed constant frequency doubly-fed generators
变速恒频双馈发电机并网控制策略
3.
A whole dynamic model of a MW-class variable-speed wind generator system is presented with Matlab/Simulink,including wind turbine,drive train and doubly-fed generator.
针对兆瓦级变速恒频风力发电系统,基于Matlab/Simulink建立了包括风机、传动齿轮、双馈发电机在内的大型风电系统的整体动态数学模型。
3) doubly fed induction generator
双馈发电机
1.
In order to analysis static stability of adjustable speed of hydroelectric generating units with doubly fed induction generators(DFIG), based on the operation characteristics of variable speed constant frequency DFIG and the rigid water hammer model of hydro-tubine,the small perturbation linear state models of this hydrogenerating units are derived in this paper.
为了分析可调速双馈水轮发电机组的静态稳定性 ,针对变速恒频双馈发电机的运行特点以及水轮机的刚性水击模型 ,本文推导了可调速双馈水轮发电机组的小扰动线性数学模型。
2.
Based on analyzing the control strategy of maximal wind energy capture for variable speed constant frequency wind turbines,a control strategy was proposed by directly controlling the DFIG(doubly fed induction generator)rotor current to follow an optimal condition for not only the extracted maximum power of the wind turbine below the rated wind speed but also the copper loss minimization.
在分析变速恒频风力发电系统最大风能捕获策略的基础上,提出了一种通过直接控制双馈发电机转子电流就可实现系统低于额定风速下的最大风能捕获又可使得电机铜耗最小化运行的控制策略。
3.
With the development of wind power generation system,LVRT(low voltage ride through)ability in grid fault condition is required for wind generator,so it\'s necessary to research on the control method of DFIG(doubly fed induction generator) under symmetry voltage fault condition.
在电网电压突然跌落时,由于双馈发电机中的电磁耦合关系,在定转子中感应出过电压过电流,为保护转子侧变换器,需要通过crowbar来短路双馈发电机的转子。
4) doubly fed generator
双馈发电机
1.
Modeling and simulation of doubly fed generator and control system;
双馈发电机及其控制系统建模与仿真
2.
According to the mathematic model of the doubly fed generator and the excitation control principle based on dynamical synchronous reference frame,the simulation model of the generator and excitation controller are established,then the modeling and simulation of the doubly fed generator system wi.
从交 直 交变换的空间矢量调制方法综合出矩阵式交 交变换器的开关控制规律 ,建立了矩阵式交 交变换器的仿真模型 ;根据双馈发电机的数学模型和基于动态同步轴系的双通道多变量反馈励磁控制策略建立了双馈发电机的仿真模型和励磁控制模型 ,结合矩阵式交 交变换器的仿真模型构成双馈发电机系统的仿真模型 ;仿真研究了双馈发电机系统的稳态调节特性和暂态特性 ;仿真研究了双馈发电机感应电势及定、转子电流谐波问
3.
Its core is the doubly fed generator.
装置的核心是双馈发电机。
5) DFIG
双馈发电机
1.
Decoupled Control for P and Q of DFIG Base on Stator Flux Observer
基于u-w型定子磁链观测的风力双馈发电机P、Q解耦
2.
Doubly-fed induction generator (DFIG) is an attractive and booming approach that provides the ability of variable speed constant frequency wind power generation with low cos.
本文首先介绍了世界各国的风电和风电技术的发展现状,分析了变速恒频风力发电系统的基本原理,通过对双馈发电机的三相静止坐标系数学模型和两相旋转坐标系数学模型的研究,提出了基于定子磁场定向的矢量控制策略。
3.
In the doublely-fed VSCF WT, the rotor of DFIG is connected to the grid throughtwo back to back PWM converters, in which the converter connected to the grid iscalled grid-side converter.
在双馈式变速恒频风力发电中,双馈发电机的转子通过两个背靠背的PWM变换器连接于电网,其中与电网相连的部分称之为网侧变换器。
6) doubly-fed induction generator
双馈发电机
1.
Variable control theory for doubly-fed induction generator ( DFIG ) is analyzed in this paper, and the control strategy of an adaptive PID controller based on neural network to realize the speed control of DFIG is proposed.
分析了双馈发电机矢量控制原理,提出了基于神经网络自适应PID控制器对双馈发电机的控制策略。
2.
In this thesis, firstly, based on the complex vector model of doubly-fed induction generator (DIFG), the mathematic model is deduced under the synchronous coordinate.
转子侧逆变环节利用定子磁链定向的矢量控制,将m-t坐标的m轴与定子磁链重合,将电机功率分为有功功率部分和无功功率部分,通过控制有功功率部分和无功功率部分来实现对转矩和励磁的间接控制,从而实现双馈发电机最大风能输出和稳定运行。
3.
This paper analyzes and establish mathematical model of doubly-fed induction generator ,described detail characteristics of doubly-fed induction generator, and study the application of direct power control strategy in the field of doubly-fed inducti
变速恒频双馈风力发电技术是一种新型高效的发电技术,当风速变化时,在发电机转子侧接入频率、幅值、相位可控的低频励磁电流,即可保证双馈发电机定子输出频率的恒定,实现变速恒频。
补充资料：双水内冷汽轮发电机
巨型汽轮发电机的一种。因定子绕组和转子绕组都用空心铜线并通以水冷却而得名。因水的比热大，且可直接带走热量，故可提高发电机的效率。与其他冷却方式的电机相比，用相同的材料，可制造功率更大的电机。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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