本文分别分析了双馈发电机和变桨距系统的数学模型。
In this paper, the mathematical model of DFIG and variable pitch system is established.
最后，根据理论研究，研制了一套双馈发电机控制技术的实验系统。
Finally, experimental system of doubly-fed induction generator control technology is developed based on theory study.
因此，研究发电用的无刷双馈发电机，具有重要的理论意义和实用价值。
And it has important theoretical and practical value on studying the brushless doubly-fed generator.
该系统是双馈发电机转子侧的变流器控制电路，虽然不是很完善，有一定得参考价值。
The system is doubly-fed generator rotor side converter control circuit, although not perfect, there must be reference value.
双馈发电机的有功和无功功率的解耦控制是变速恒频（VSCF）风力发电系统的关键技术。
The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
本文对双馈发电机的控制机理、稳定性和谐波成分建立简单的数学模型，进行了一定的分析。
This thesis builds a simple mathematical model for the controllable principle, transient stability and harmonic waves of the DFIG, and analyses them.
首先，介绍双馈发电机的基本工作原理，建立在两相同步旋转坐标系下双馈发电机的数学模型。
First of all, the theory of double-fed induction generator is introduced. Mathematical model of double-fed induction generator in the two-phase synchronous rotating coordinate system is established.
随后，进行了双定子无刷双馈发电机实验系统的开环发电实验，实现了该发电系统的变速恒频发电。
Subsequently, an open loop experiment has been tested which verified the feasibility of the experimental generation system can run in variable speed and constant frequency condition.
阐述了双馈发电机的矢量控制原理及其相应的最大功率点跟踪和发电机定子侧输出单位功率因数的控制策略。
The paper analyzes the vector control theory for doubly fed induction generator, Maximal Power Point Track (MPPT) and control strategy for the unity power factor of stator output.
作为未来主流发电机种的无刷双馈发电机有着诸多优点，但它也是一个高阶、非线性、强耦合的多变量复杂系统。
As the mainstream generator in the future, brushless doubly-fed machine has many advantage, but it's also high order, nonlinear, strong coupling and multivariate dynamical system.
本文首先对包括风力机、无刷双馈发电机的风力发电系统进行建模，并通过同步坐标变换分解为两个解耦子系统。
A wind energy conversion system (WECS) model is presented, including wind turbine and brushless doubly-fed machine working as a generator.
介绍了变速恒频风力发电的基本原理，并采用定子磁链定向的矢量控制方法得到了双馈发电机的矢量控制系统模型。
The thesis presents the principle of VSCF wind Power. In this thesis, we adopt the vector control strategy of stator field-orient and gain a vector control system model of double-feedback generator.
建立了双馈发电机双闭环矢量控制系统，研究了功率控制模式和转速控制模式下发电机系统的调节原理和动态特性。
DIFG double closed-loop vector control strategy is established; regulating principle and dynamic characteristic in active power control mode or speed control mode is discussed.
仿真结果表明，双馈发电机控制系统具有良好的动态控制性能，直流母线电压稳定，波动小，能够满足双馈发电机交流励磁的需要。
The simulation results indicate that the system has good dynamic performance, DC bus voltage is stable and has small fluctuations, and it satisfies the demand of DFIG excitation.
双定子无刷双馈发电机具有无刷化和可进行变速恒频发电的特点，非常适合于风力发电系统，对其发电系统的研究，将使这种新型电机能够尽快地应用于实际之中。
Twin stator brushless doubly fed machine generation system which has no electrical brush and can running in variable speed and constant frequency condition is very suitable for wind power generation.
所配发电机是一台高效率的4极双馈式发电机，带有绕组转子和滑差线圈。
The matched generator is a high efficient 4-pole double feeding generator with wound rotor and slip windings.
本文正是在这样的背景之下，在深入了解当今无刷双馈及风力发电技术的基础上，对无刷双馈风力发电机控制系统进行了研究。
Under the background, on the basis of the study of brushless doubly-fed machine and wind power technology, control system for wind-driven brushless doubly-fed generator was studied in this paper.
为了避免由机械传感器所带来的一些控制上的问题，提出了一种基于位置估计的双馈风力发电机的控制方案。
In order to avoid some control problems on mechanical sensor, a control strategy based on the position estimation for doubly-fed generators is presented.
本文以双馈式电机转子磁场走向为控制的约束条件，建立了双异步变速恒压恒频发电机的矢量控制模型。
Using field orientaion of rotor of doubly fed machine as confining condition, this thesis has established vector control model for double asynchronous VSCFCV generator.
研究结果表明：双馈感应发电机的定、转子电流以及电磁转矩取决于发电机内部的定、转子磁场。
Research results show that the stator and rotor currents and air-gap torque are subjected to the stator and rotor flux fields in the generator.
根据我们的预测，在未来5 ~7年间，大部分风电场建设所采用的风力发电机都将会是双馈异步风机。
We estimate that over the next 5 to 7 year, most of wind turbines will be double fed induction wind turbines.
计算结果证明了基于改进BP神经网络算法建立的双馈水轮发电机负荷优化调节特性模型的有效性。
The calculation results prove that the model for load optimal regulative characteristic of doubly fed hydrogenerator based on improved BP neural network algorithm is effective.
对VSCF双馈风力发电机组的基本功率控制策略进行了研究。
The fundamental power control tactics of the VSCF double fed wind power generator have been studied.
通过建立理想气动模型的计算，尽可能真实地确定1.5MW的双馈异步发电机组的变桨距设备的主要参数。
Study on the ideal model of blade, we can work out the primary parameters of 1.5MW wind turbine's pitch control system.
本文分析了自励和他励双馈同步感应发电机的运行性能。
This paper explores the performance of the self excited and external-excited doubly fed synchronous-induction generator.
文中提出的双馈感应发电机线性化模型适用于变速恒频双馈风力发电系统的相关研究。
The presented linearized model of doubly-fed induction generator is suitable to the related researches of doubly-fed variable speed wind turbines.
首先在风力发电系统建模的基础上，研究了双馈风力发电机本体的小信号稳定性。
The modeling of a grid connected DFIG system is first set up and research is carried out to argue the stability of the single generator.
首先在风力发电系统建模的基础上，研究了双馈风力发电机本体的小信号稳定性。
The modeling of a grid connected DFIG system is first set up and research is carried out to argue the stability of the single generator.
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