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Matlab Simulink file for simulating a grid-tie three phase spwm inverter with active and reactive power control.
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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.
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Abstract— This paper introduces an advanced monitoring and diagnosis system for the detection of incipient electrical faults in
doubly fed induction generators used in wind turbines. In this application, the rotor is supplied by a static converter
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Injection of the wind power into an electric grid
affects the power quality. The performance of the wind turbine
and thereby power quality are determined on the basis of measurements
and the norms followed according to the guideline
specified
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微电网逆变器下垂控制，实现有功功率和无功功率的精确分配，并且满足系统的稳定性要求。-The control of micro-grid inverters,for the acurate sharing of active power and reactive power.And it can satisfy the stability of the system.
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This
paper proposes an optimal control strategy for an HVdc light system
using a direct current vector control mechanism. The proposed
approach is compared with the traditional vector control
method for different HVdc control requirements, su
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本文设计了1.SMW双馈型风机变频器的整体硬件电路,满足风机整体工作的稳定
性和高效率"为实现LVRT功能,设计了一种新的CROWBAR电路,并对电路的控制
电路做了改进"研究了1.SMW双馈型风机变频器系统的控制策略,转子侧变换器采用
定子磁链定向矢量控制技术,网侧PWM变换器采用电网电压定向矢量控制技术,构建
了电流内环!电压外环的双闭环PI控制系统,导出了采用转子有功电流和无功电流独
立解祸来控制有功功率和无功功率的策略-This pape
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The generating systems use Doubly-Fed Induction Generators (DFIGs) to achieve high
conversion efficiency and to reduce the installation cost. This paper presents a modeling and Maximum
Power Point Tracking (MPPT) control method of DFIG-based vari
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During the past decade, Wind energy have attracted interest as a result of the increasing concern about CO2 emissions. The doubly fed induction generators (DFIGs)have been widely used in modern wind energy systems, due
to the advantages of variable
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运用PQ控制环节，实现有功功率和无功功率的解耦，通过电流环的跟踪控制环节实现电流的跟踪，通过功率控制环节实现功率因数为1，综上的控制实现光伏三相并网，实现最大效率的能源应用-Using PQ control link to achieve active power and reactive power decoupling to achieve the current track by track control link current loop power control link thro
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利用PQ分解法进行电网潮流计算，得出待求解电网的各PQ节点的有功功率和无功功率，各PV节点的有功功率和节点电压-Make use of power flow PQ decomposition method calculated the PQ to be solved for each grid node of active and reactive power, active power and node voltage of each PV nodes.
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Abstract—If a wind farm is weakly connected to a power grid,
then the voltage of the connection point fluctuates frequently
due to the changeable wind speed. The active and reactive power
of a doubly-fed induction generator (DFIG) can be decoup
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并网型双馈电机仿真，主要研究其有功，无功独立解耦控制策略-Grid DFIG simulation, its major research active and reactive power decoupled control strategy
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This file is about Direct Active and Reactive Power Regulation of
Grid-Connected DC/AC Converters Using Sliding
Mode Control Approach
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In distribution systems, the load has been a sudden
increase or decreases and it is like as nonlinear loads so the
load draw non-sinusoidal currents the AC mains and
causes the load harmonics and reactive power, and excessive
neutral currents
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应用于并网的分布式发电或微网系统 PQ控制要求电站的有功和无功是可控的(The distributed power generation or microgrid system PQ control applied to the grid requires that the active and reactive power of the plant is controllable)
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This paper describes the modelling and control system of a direct-drive PMSG wind turbine for effective
active and reactive power generation control and voltage control at the grid connection point.
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这个模型解释了DFIG WT的工作。 转子侧变流器模型化为受控电压源，忽略电网侧变流器，因为机器基本上由转子侧变流器控制，大部分有功和无功功率由机器提供。 矢量控制技术用于控制DFIG。 这不是一个完整的模型，而只是那些想了解双馈电机控制的人的起点指南。 机器的有功和无功功率由转子侧转换器调节。(this model explains the working of the DFIG WT. The rotor side converter is modelled as controlled vo
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下垂控制就是选择与传统发电机相似的频率一次下垂特性曲线（Droop Character）作为微源的控制方式，即分别通过P/f下垂控制和Q/V下垂控制来获取稳定的频率和电压，这种控制方法对微网中的微源输出的有功功率和无功功率分别进行控制，无需机组间的通信协调，实现了微源即插即用和对等控制的目标，保证了孤岛下微电网内电力平衡和频率的统一，具有简单可靠的特点(Droop control is to choose Droop Character, which is similar to the trad
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