搜索资源列表
-
0下载：
为满足在电网发生故障时风电机组需保持与电网连接并向系统不间断供电的要求,提出
了双馈风力发电机的动态模型、变流器模型、变流器保护及电网模型,以研究双馈风力发电机的暂
态特性.以1·5MW SUT-1500双馈风力发电机为原型,由一个无穷大电源等效电网模型,变流器模
型采用定子磁链的定向电流矢量控制方法,利用PSCAD软件对双馈电机的暂态特性进行仿真.仿
真结果表明,矢量控制能够实现双馈电机的有功、无功解耦,并可改善系统的低压穿越能力.
-To meet the power f
-
-
0下载：
The work presented in this thesis includes control system design, analysis and grid synchronization of a DFIG (doubly-fed induction generator) driven by a wind turbine using stator-voltage and stator-flux oriented frames. The DFIG is a special type o
-
-
1下载：
针对兆瓦级风电并网逆变器主电路研制中存在的并联扩容、开关频率较低和LCL滤波器难以优化设计等问题，提出了采用交流侧串接电感再进行并联的均流方案，采用载波移相技术提高变流器的等效开关频率，提出了LCL滤波器的设计原则，并给出了上述设计的理论依据和实现方法。通过对2兆瓦风电变流器主电路的仿真验证了上述技术方案。-MW-class wind power for grid-inverter main circuit of the parallel development of existing capa
-
-
0下载：
At this moment, the major
obstacle of wide PV system commercialization is the
high initial investment cost that stems from the strict
grid connection standards and high expectations from
the PV system [2], [3]. The grid-connected PV system
-
-
0下载：
To keep overall output power per
unit cost low, the grid-connected converters should be
able to extract the maximum available power from the
PV arrays. Since the PV array characteristic is highly
nonlinear, maximum power point tracking (MPPT)
-
-
0下载：
This report is the conclusion of the post-course work following the Nordic PhD-course on
Wind Power, which was held on Smø la 5th – 11th June 2005. The goal of the project was to
construct a Simulink model of a 2.5 MW wind turbine with direct
-
-
0下载：
3000 W photovoltaic converter for grid-connected applications
-
-
0下载：
，分析了导抗变换器的特性，详细推导了整个系统各点电压、电流，提出一种新颖的三角波一三角波调制方法，该控制策略克服了采用传统正弦渡一三角波调制方法带来的并网电流谐波含量高、功率因数低的弊端。将导抗变换器和光伏并网逆变系统有机结合在一起，利用导抗变换器的电压源一电流源变换特性，将光伏电池阵列的直流电压变换为正弦包络线的高频电流，经过高频变压器隔离和电流等级变换，得到的高频电流再经过高频整流桥及工频逆变器逆变后并入电网。实现了电流源并网-a novel trangle modulation metho
-
-
1下载：
SVPWM变流器，网侧变换器部分，可以运行，功率因数为1-SVPWM inverter, grid-side converter part, you can run a power factor of 1
-
-
3下载：
光伏并网逆变器的仿真，通过仿真可以观察逆变以后的波形，有simulink仿真图-PV grid-connected inverter of the simulation, the simulation can be observed after wave inverter, a simulink simulation diagram
-
-
0下载：
wind energy conversion system connected to grid through matrix converter
-
-
2下载：
光伏电池模块封装，升压电路，三相逆变，并网-This example shows an average model of a 100-kW array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-level VSC.
Pierre Giroux, Gilbert Sybille (Hydro-Quebec, IREQ) Carlos Osorio, Shripad Chand
-
-
0下载：
PV array_Grid_IncCondReg_det.mdl is a detailed model of a 100-kW array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-level Voltage Source Converter (VSC). Maximum
-
-
0下载：
Two demos illustrate use of SimPowerSystems for modeling a PV array connected to a utility grid.
PVarray_Grid_IncCondReg_det.mdl is a detailed model of a 100-kW array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-lev
-
-
0下载：
这个例子示出了连接到经由DC-DC升压转换器25千伏电网和三相三电平VSC100千瓦阵列的详细模型。-This example shows a detailed model of a 100-kW array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-level VSC.
-
-
0下载：
Model Predictive Direct Power Control for a
Grid-Connected Converter with an LCL-Filter
-
-
3下载：
包括风轮机，发电机，双PWM变流器，控制系统等完整的并网永磁直驱风电系统模型，-a complete grid-connected direct-drive wind power system model,including wind turbine, generator, dual PWM converter, control system,
-
-
0下载：
完成了对光伏发电并网控制的设计及仿真。系统采用了两级式拓扑结构：前级用直流变换器进行最大功率跟踪及直流母线电压调整；后级用逆变器将直流电能逆变送入电网。(Completed the design and simulation of photovoltaic grid-connected control. The system adopts a two-stage topology: the front stage uses a DC converter for maximum power tra
-
-
4下载：
MATLAB模型，双馈风电机组基于最大功率跟踪，低风速超速控制，中风速高风速变桨距控制(DFIG MATLABThe wind turbine and the doubly-fed induction generator (WTDFIG) are shown in the figure called The Wind Turbine and the Doubly-Fed Induction Generator System. The AC/DC/AC converter is divided i
-
-
0下载：
A single phase grid connected with a photovoltaic (PV) power system that will provide high
voltage gain with state model analysis for the control of the system has been presented. First the
photovoltaic system is designed and simulated using MATLAB
-
