Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM

Voltage stability and power quality play very effective issues in power systems. This paper aims to improve the voltage stability and enhance system power quality in the AC-DC micro-grid system based on intelligent fuzzy controllers. These controllers are fuzzy-PI (FPI) and fuzzy-PID (FPID) current-...

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Autores principales:	Abdelnasser A. Nafeh, Aya Heikal, Ragab A. El-Sehiemy, Waleed A.A. Salem
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Distribution Static synchronous compensator (D-STATCOM) Fuzzy-PI Current Controller Fuzzy-PID current-controller Hybrid micro-grid Power quality and Voltage stability Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/f821ae431ac346748ce65e00746fd625
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spelling	oai:doaj.org-article:f821ae431ac346748ce65e00746fd6252021-12-02T04:59:40ZIntelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM1110-016810.1016/j.aej.2021.07.012https://doaj.org/article/f821ae431ac346748ce65e00746fd6252022-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1110016821004804https://doaj.org/toc/1110-0168Voltage stability and power quality play very effective issues in power systems. This paper aims to improve the voltage stability and enhance system power quality in the AC-DC micro-grid system based on intelligent fuzzy controllers. These controllers are fuzzy-PI (FPI) and fuzzy-PID (FPID) current-controller with the existence of distribution static synchronous compensator (D-STATCOM). The capability of proposed system has been applied in two case studies that emulate abrupt fault and dynamic load changes on AC-DC hybrid micro-grid that collects different types of renewable energy sources. In addition to, the proposed fuzzy-based controllers produce the optimum dynamic response and resolve the power quality issues. Numerical simulations associated with detailed comparisons between different controllers are provided. It was found that when the studied system is subjected to a 3-phase fault, the voltage fluctuation at the D-STATCOM is reduced by 7.86% and 4.62% and the dynamic system performance is improved by 12.9% and 8.8% with using Fuzzy-PID and fuzzy-PI, respectively. Also with the dynamic load changes, the fluctuation of system voltages at the D-STATCOM is reduced by 0.982% and 0.577 % and the dynamic system performance is improved with 6.67%, 5.71% when comparing Fuzzy-PID controller and Fuzzy-PI to the uncontrolled system. The Fuzzy-PID provides a capability to enhance dynamic performance and system power quality because achieve less fluctuation and more smoothing for signals makes it is superior for voltage control for AC-DC micro-grid.Abdelnasser A. NafehAya HeikalRagab A. El-SehiemyWaleed A.A. SalemElsevierarticleDistribution Static synchronous compensator (D-STATCOM)Fuzzy-PI Current ControllerFuzzy-PID current-controllerHybrid micro-gridPower quality and Voltage stabilityEngineering (General). Civil engineering (General)TA1-2040ENAlexandria Engineering Journal, Vol 61, Iss 3, Pp 2260-2293 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Distribution Static synchronous compensator (D-STATCOM) Fuzzy-PI Current Controller Fuzzy-PID current-controller Hybrid micro-grid Power quality and Voltage stability Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Distribution Static synchronous compensator (D-STATCOM) Fuzzy-PI Current Controller Fuzzy-PID current-controller Hybrid micro-grid Power quality and Voltage stability Engineering (General). Civil engineering (General) TA1-2040 Abdelnasser A. Nafeh Aya Heikal Ragab A. El-Sehiemy Waleed A.A. Salem Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM
description	Voltage stability and power quality play very effective issues in power systems. This paper aims to improve the voltage stability and enhance system power quality in the AC-DC micro-grid system based on intelligent fuzzy controllers. These controllers are fuzzy-PI (FPI) and fuzzy-PID (FPID) current-controller with the existence of distribution static synchronous compensator (D-STATCOM). The capability of proposed system has been applied in two case studies that emulate abrupt fault and dynamic load changes on AC-DC hybrid micro-grid that collects different types of renewable energy sources. In addition to, the proposed fuzzy-based controllers produce the optimum dynamic response and resolve the power quality issues. Numerical simulations associated with detailed comparisons between different controllers are provided. It was found that when the studied system is subjected to a 3-phase fault, the voltage fluctuation at the D-STATCOM is reduced by 7.86% and 4.62% and the dynamic system performance is improved by 12.9% and 8.8% with using Fuzzy-PID and fuzzy-PI, respectively. Also with the dynamic load changes, the fluctuation of system voltages at the D-STATCOM is reduced by 0.982% and 0.577 % and the dynamic system performance is improved with 6.67%, 5.71% when comparing Fuzzy-PID controller and Fuzzy-PI to the uncontrolled system. The Fuzzy-PID provides a capability to enhance dynamic performance and system power quality because achieve less fluctuation and more smoothing for signals makes it is superior for voltage control for AC-DC micro-grid.
format	article
author	Abdelnasser A. Nafeh Aya Heikal Ragab A. El-Sehiemy Waleed A.A. Salem
author_facet	Abdelnasser A. Nafeh Aya Heikal Ragab A. El-Sehiemy Waleed A.A. Salem
author_sort	Abdelnasser A. Nafeh
title	Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM
title_short	Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM
title_full	Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM
title_fullStr	Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM
title_full_unstemmed	Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM
title_sort	intelligent fuzzy-based controllers for voltage stability enhancement of ac-dc micro-grid with d-statcom
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/f821ae431ac346748ce65e00746fd625
work_keys_str_mv	AT abdelnasseranafeh intelligentfuzzybasedcontrollersforvoltagestabilityenhancementofacdcmicrogridwithdstatcom AT ayaheikal intelligentfuzzybasedcontrollersforvoltagestabilityenhancementofacdcmicrogridwithdstatcom AT ragabaelsehiemy intelligentfuzzybasedcontrollersforvoltagestabilityenhancementofacdcmicrogridwithdstatcom AT waleedaasalem intelligentfuzzybasedcontrollersforvoltagestabilityenhancementofacdcmicrogridwithdstatcom
_version_	1718400927386304512

Intelligent fuzzy-based controllers for voltage stability enhancement of AC-DC micro-grid with D-STATCOM

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