A Novel Neural Instantaneous Power Theory for A Shunt Active Power Filter Interfaced Solar Photovoltaic System

Asmae Azzam-Jai, M. Ouassaid
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Abstract

This study introduces a novel neural instantaneous power theory (Neural-IPT) based on a feed forward backpropagation artificial neural network (FFBP-ANN), for a three-phase shunt active power filter (SAPF) associated with a PV power plant. In order to check the performance of the proposed method of control, the studied system is subject to sudden disturbances caused at first by the variation of the ignition angle of the nonlinear load and then by an abrupt changes of the PV output parameters as well. Simulation outcome using MATLAB/Simulink tools, show that the proposed strategy of harmonics extraction, in conjunction with a Neural Network Hysteresis Controller, provides a quick and a precise estimation of the fundamental component of the nonlinear load, compared to the classical instantaneous power theory IPT, and consequently offers a best dynamic performance tracking, guarantee the imaginary power compensation and reduces source current distortion.
并联有源滤波器接口太阳能光伏系统的一种新的神经瞬时功率理论
针对与光伏电站相关的三相并联有源电力滤波器(SAPF),提出了一种基于前馈反向传播人工神经网络(FFBP-ANN)的新型神经瞬时功率理论(neural - ipt)。为了验证所提出的控制方法的性能,所研究的系统首先受到非线性负载点火角变化和PV输出参数突变引起的突然干扰。利用MATLAB/Simulink仿真结果表明,与经典的瞬时功率理论IPT相比,所提出的谐波提取策略与神经网络迟滞控制器相结合,可以快速准确地估计非线性负载的基本分量,从而提供最佳的动态性能跟踪,保证虚功率补偿并降低源电流畸变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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