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shunt active power filters are used for harmonic compensation in current and reactive power compensation in power system networks.
sliding mode control is one of the control strategy used for this.
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摘要：将模糊控制理论应用于UPFC控制器的设计中，设计了主、辅两个模糊控制器．其中主控制器以UPFC串联侧输出电压的横向分量和纵向分量分别控制线路的有功与无功，以并联侧输出电流的横向分量和纵向分量分别控制节点电压和直流侧电容电压，而辅助控制器以线路功率作为反馈输入-Abstract: The fuzzy control theory is applied to UPFC controller design, the design of primary, secondary two fuzzy c
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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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This paper deals with an innovating Shunt active
filter with PI controller for harmonic elimination . Active filter
provide a viable solution to mitigating harmonic issues caused by
the non linear loads .The active filter compensates the reacti
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This paper presents the Direct Power Control of
Three-Phase Matrix Converters (DPC-MC) operating as Unified
Power Flow Controllers (UPFC). Since matrix converters allow
direct AC/AC power conversion without intermediate energy
storage link, t
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在风力发电网侧逆变器动态数学模型基础上 采用空间矢量脉冲宽度调制 SVPWM 方式和电网电压合成矢量定向 实现了电流有功分量和无功分量的解耦及功率因数的可调控制.-Dynamic mathematical model based on wind power grid-side inverter the resultant vector of the vector mode and the grid voltage space vector pulse width modulation direc
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Independent control of active and reactive power without any needs for extra
compensating equipment.
With PWM, VSC-HVDC o® ers the possibility to control both active and reactive
power independently . While the transmitted active power is k
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the simulation has been done on the PSCAD platform.the active power control and the reactive power control has been demonstrated in the simulation for a hvdc system at both the rectifier and the inverter ends.
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基于矢量解耦控制策略，建立了适用于电力系统暂态稳定分析的直驱式风力发电机组机电暂态模型。为模型做了2 点合理假设：有功功率和无功功率在暂态过程中完全解耦；测量的电气量准确，和实际的电气量完全相等。基于这些条件，从实际的物理装置出发，对直驱式风电机组的电磁暂态模型进行简化。-Vector decoupling control strategy based on established for power system transient stability analysis of direct-d
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为了更好地进行谐波和无功功率的补偿与控制，叶FBD(Fryze一Buchholz一DPenbrock)法的定
义进行了完善，并给出了补偿电流检测的直接法和间接法，在三相电力系统中对FBD间接法进行
了推广研究，利用参考电压进行投影变换，不仅可以检测出功率电流和零功率电流，还可以检测出
基波有功电流、基波无功电流、谐波电流以及任意次谐波电流等，大大拓展了FBD法的应用范围和领域。MATI一AB仿真和实验结果表明了所定义和推广的电流检测方法的正确性和有效性。
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空间矢量脉宽调制(SV PWM ) 技术不仅具有
线性调制范围宽、输出谐波小和易于数字化实现
的特点, 而且比常规SPWM 高15 的直流电压利
用率[ 1～ 3 ] , 因而被广泛用于变频器、U PS 、无功补
偿器、有源电力滤波器和储能系统电力变换器等
领域. 对SV PWM 常规算法和快速算法进行分析,
并证明了二者的等效性. 同时, 利用MA TLABö
Sim u link 对在不同输入电压参考信号和不同零矢
量分配方式下的调制信号和逆变器输出
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wind farm simulation to control the active and reactive power with taiy line
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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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The doubly fed induction generator (DFIG) is widely
used in wind energy. This paper proposes a model-based predictive
controller for a power control of DFIG. The control law is derived
by optimization of an objective function that considers the
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matlab变压器测试电路 并计算了有功功率 无功功率以及视在功率 -matlab transformer test circuit and calculate the active power and reactive power Apparent power
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Similations electrical networks with Control & current and active and reactive power
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充分地利用了DSP强大的信号处理能力和现代数值分析方法。 设计了电能表前端采样及计量模块的硬件，以及一套符合国标GB/T 17883-1999的 0.2S
级精度要求的算法，同时扩展了谐波分析功能。系统概述为：三相电压、电流
AD 采样，采样数据通过串口送至处理器(DSP)，由 DSP 对采样数据作电参数计
量和谐波分析，处理结果通过定制 LCD 显示，并通过脉冲口发出有功、无功校
表脉冲。DSP 采用 ADI 公司的 BLACKFIN531-16 位定点芯片，最高处理能力可
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active and reactive power ripple minimization
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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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In this paper, simulation and practical
implementation of direct power control is presented for a PWM
Rectifier application. The proposed DPC control has several
advantages, including the grid current very close to sinusoidal
waveforms (TDH <1
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