Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller

This paper presents a novel method of power quality enrichment in a grid-connected photovoltaic (PV) system using a distribution static compensator (DSTATCOM). The paper consists of two-step control processes. In the primary step, a fuzzy logic controller (FLC) is employed in the DC-DC converter to...

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Autores principales: Amit Kumar, Pradeep Kumar
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Publicado: IEEE 2021
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spelling oai:doaj.org-article:fcc5df0f92aa44a3ac685bb75bded9572021-11-30T00:00:21ZPower Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller2196-542010.35833/MPCE.2021.000285https://doaj.org/article/fcc5df0f92aa44a3ac685bb75bded9572021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9627867/https://doaj.org/toc/2196-5420This paper presents a novel method of power quality enrichment in a grid-connected photovoltaic (PV) system using a distribution static compensator (DSTATCOM). The paper consists of two-step control processes. In the primary step, a fuzzy logic controller (FLC) is employed in the DC-DC converter to extract the peak power point from the PV panel, where the FLC produces a switching signal for the DC-DC converter. In the secondary step, a unit vector template (UVT)/adaptive linear neuron (ADALINE)-based least mean square (LMS) controller is adopted in the DC-AC converter, i.e., voltage source converter (VSC). The input to this VSC is the boosted DC voltage, which originates from the PV panel as a result of DC-DC conversion. The VSC shunted with the power grid is known as a DSTATCOM, which can maintain the power quality in the distribution system. The UVT controller generates reference source currents from the grid voltages and DC-link voltages. The ADALINE-based LMS controller calculates the online weight according to the previous weights by the sensed load current. The UVT/ADALINE-based LMS controller of a DSTAT-COM performs several tasks such as maintaining the sinusoidal source current, achieving a unity power factor, and performing reactive power compensation. The reference current extracted from the UVT/ADALINE-based LMS controller is fed to the hysteresis current controller to obtain the desired switching signal for the VSC. A 100 kW solar PV system integrated into a three-phase four-wire distribution system through a four-leg VSC is designed in MATLAB/Simulink. The performances of the FLC and UVT/ADALINE-based LMS controllers are demonstrated under various irradiances as well as constant temperature and nonlinear loading conditions.Amit KumarPradeep KumarIEEEarticleAdaptive linear neuronleast mean square (LMS)fuzzy logic controller (FLC)maximum power point tracking (MPPT)photovoltaic (PV)unit vector templateProduction of electric energy or power. Powerplants. Central stationsTK1001-1841Renewable energy sourcesTJ807-830ENJournal of Modern Power Systems and Clean Energy, Vol 9, Iss 6, Pp 1289-1299 (2021)
institution DOAJ
collection DOAJ
language EN
topic Adaptive linear neuron
least mean square (LMS)
fuzzy logic controller (FLC)
maximum power point tracking (MPPT)
photovoltaic (PV)
unit vector template
Production of electric energy or power. Powerplants. Central stations
TK1001-1841
Renewable energy sources
TJ807-830
spellingShingle Adaptive linear neuron
least mean square (LMS)
fuzzy logic controller (FLC)
maximum power point tracking (MPPT)
photovoltaic (PV)
unit vector template
Production of electric energy or power. Powerplants. Central stations
TK1001-1841
Renewable energy sources
TJ807-830
Amit Kumar
Pradeep Kumar
Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller
description This paper presents a novel method of power quality enrichment in a grid-connected photovoltaic (PV) system using a distribution static compensator (DSTATCOM). The paper consists of two-step control processes. In the primary step, a fuzzy logic controller (FLC) is employed in the DC-DC converter to extract the peak power point from the PV panel, where the FLC produces a switching signal for the DC-DC converter. In the secondary step, a unit vector template (UVT)/adaptive linear neuron (ADALINE)-based least mean square (LMS) controller is adopted in the DC-AC converter, i.e., voltage source converter (VSC). The input to this VSC is the boosted DC voltage, which originates from the PV panel as a result of DC-DC conversion. The VSC shunted with the power grid is known as a DSTATCOM, which can maintain the power quality in the distribution system. The UVT controller generates reference source currents from the grid voltages and DC-link voltages. The ADALINE-based LMS controller calculates the online weight according to the previous weights by the sensed load current. The UVT/ADALINE-based LMS controller of a DSTAT-COM performs several tasks such as maintaining the sinusoidal source current, achieving a unity power factor, and performing reactive power compensation. The reference current extracted from the UVT/ADALINE-based LMS controller is fed to the hysteresis current controller to obtain the desired switching signal for the VSC. A 100 kW solar PV system integrated into a three-phase four-wire distribution system through a four-leg VSC is designed in MATLAB/Simulink. The performances of the FLC and UVT/ADALINE-based LMS controllers are demonstrated under various irradiances as well as constant temperature and nonlinear loading conditions.
format article
author Amit Kumar
Pradeep Kumar
author_facet Amit Kumar
Pradeep Kumar
author_sort Amit Kumar
title Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller
title_short Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller
title_full Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller
title_fullStr Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller
title_full_unstemmed Power Quality Improvement for Grid-connected PV System Based on Distribution Static Compensator with Fuzzy Logic Controller and UVT/ADALINE-based Least Mean Square Controller
title_sort power quality improvement for grid-connected pv system based on distribution static compensator with fuzzy logic controller and uvt/adaline-based least mean square controller
publisher IEEE
publishDate 2021
url https://doaj.org/article/fcc5df0f92aa44a3ac685bb75bded957
work_keys_str_mv AT amitkumar powerqualityimprovementforgridconnectedpvsystembasedondistributionstaticcompensatorwithfuzzylogiccontrolleranduvtadalinebasedleastmeansquarecontroller
AT pradeepkumar powerqualityimprovementforgridconnectedpvsystembasedondistributionstaticcompensatorwithfuzzylogiccontrolleranduvtadalinebasedleastmeansquarecontroller
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