A Novel Decentralized Droop Control Scheme for Multiparalleled …
With grid current detected, the proposed scheme enables the APFs to automatically allocate the compensation current. In comparison with prior research, both harmonic filtering and current sharing exhibit substantial enhancements, while dynamic response is maintained.
Inertia–Active Power Filter Design Based on Repetitive Control
2024年7月3日 · To address the deficiency in system inertia, numerous scholars are currently utilizing grid-forming (GFM) technology to achieve virtual inertia. In order to address the issue of system harmonics, it is possible to install active power filter (APF) devices at the point of common coupling (PCC), which serve to mitigate the effects of harmonics.
A Review on the Use of Active Power Filter for Grid-Connected
2023年5月12日 · This review article provides a classification of available techniques for use of active power filters based on the type of circuitry, topology, control variables involved, control algorithm, and compensation techniques to select an APF technique for application in grid connected renewable energy systems.
Active power filter (APF) for mitigation of power quality issues in ...
2017年4月1日 · The APF is an effective solution for power quality problems, such as harmonic mitigation, voltage regulation, load balance, power factor correction, and neutral current compensation, in grid-integrated distribution systems.
Comparison of APF-PLL and SOGI-PLL operational stability in
2025年1月6日 · By incorporating mathematical models of PLLs into an existing system framework, the stabilities of two widely used PLL configurations (APF-PLL and SOGI-PLL) are analyzed under high grid impedance conditions.
A Robust Linear Active Disturbance Rejection Control for ... - MDPI
2025年1月15日 · By integrating an adaptive linear predictor (ALP) with LADRC, the proposed method effectively reduces the impact of disturbances on control, improving voltage regulation and harmonic compensation, and enhancing renewable energy grid integration.
Active Power Filter Under Imbalance and Distortion of Grid
This study proposes an APF grid-connecting solution to reduce harmonic at the moment of connecting transfer status. The work includes analyzing the system structure, the parameters of the passive LCL-filter system, the active power filter (APF) grid-connecting...
通过对APF 系统环路的小信号建模,揭示了弱电网APF 系统的谐波振荡机理,并根据稳定性分析结论提出了一种基于电感电流反馈的有源阻尼方法抑制了这类谐波振荡,从而保证了APF在弱电网条件下稳定的谐波补偿能力。 该方法的有效性经PLECS 时域仿真及硬件平台实验得以验证。 关键词:有源电力滤波器;弱电网;小信号建模;稳定性分析;有源阻尼中图分类号:TM 712文献标识码:A DOI:10.19457/j. 100 1-2 095.dqcd25531. Abstract:Active power filters(APF)are widely used for …
A Stabilization Strategy Based on Grid Current Feedforward for the ...
Abstract: In some complex source-load conditions, the active power filter (APF) may lead to harmonic oscillation and deteriorate the power quality. This article built the small signal model to illustrate the interactions among APF, nonlinear load and the grid, with which the reason and characteristic of the harmonic oscillation are investigated.
弱电网条件下多APF并网交互影响分析 - epjournal.csee.org.cn
首先基于诺顿等效电路搭建弱电网条件下多APF并网数学模型，然后结合动态相对增益矩阵（DRGA）原理，提出一种定量分析多APF控制回路间交互影响程度的方法，能够基于不同频率区间分析交互影响程度与控制回路参数及弱电网等效电感间的定量关系。 最后利用MATLAB/Simulink平台搭建并网仿真系统模型，时域仿真结果与理论分析一致，验证了该方法的有 …