Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique

This research proposes an intelligent technique designed to optimize the power quality of grid-connected hybrid power systems that use both solar photovoltaic and wind energy. Regrettably, these hybrid systems are liable to the damaging environmental results of weather gusts, which could lessen aver...

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Main Authors: Muhammed F. Alwaeli, Sadjad Galvani, Vahid Talavat
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Results in Engineering
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Online Access:http://www.sciencedirect.com/science/article/pii/S2590123025004852
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author Muhammed F. Alwaeli
Sadjad Galvani
Vahid Talavat
author_facet Muhammed F. Alwaeli
Sadjad Galvani
Vahid Talavat
author_sort Muhammed F. Alwaeli
collection DOAJ
description This research proposes an intelligent technique designed to optimize the power quality of grid-connected hybrid power systems that use both solar photovoltaic and wind energy. Regrettably, these hybrid systems are liable to the damaging environmental results of weather gusts, which could lessen average system efficiency. Moreover, several faults, such as three-phase faults and voltage fluctuations on the point of common coupling (PCC), can adversely affect system balance. To address those challenges, Static Synchronous Compensators (STATCOMs) are employed to enhance the integration of renewable energy sources (RESs) by providing vital reactive energy support. This examination additionally highlights the importance of advanced optimization techniques for tuning controllers, given the complexity of hybrid systems. The proposed observation indicates the application of a grey wolf optimization (GWO) primarily based on the multi-objective function. This algorithm acts to improve control parameters, thus increasing the system's reliability. The developed strategy is presented in several processes. Scenario 1 shows the system's capability to stabilise at 1 pu during voltage and current swell and sag. Scenario 2 highlights effective reactive power generation during renewable energy source penetration, while Scenario 3 demonstrates improved power quality with unbalanced non-linear loads. Lastly, Scenario 4 confirms that PCC stability is maintained between 0.92 and 0.97 pu during three-phase faults. Through tests, simulation results confirm the improvement of both current, voltage and Total Harmonic Distortion (THD) and reveal the efficiency of the proposed controller in supporting fast dynamic response. Thus, the activity of the proposed system has been verified through tests with the GWO strategy.
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spelling doaj-art-82e362afbdba437fa0b9e392c250c7702025-08-20T01:58:27ZengElsevierResults in Engineering2590-12302025-03-012510440510.1016/j.rineng.2025.104405Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization techniqueMuhammed F. Alwaeli0Sadjad Galvani1Vahid Talavat2Corresponding author.; Faculty of Electrical and Computer Engineering, Urmia University, Urmia, IranFaculty of Electrical and Computer Engineering, Urmia University, Urmia, IranFaculty of Electrical and Computer Engineering, Urmia University, Urmia, IranThis research proposes an intelligent technique designed to optimize the power quality of grid-connected hybrid power systems that use both solar photovoltaic and wind energy. Regrettably, these hybrid systems are liable to the damaging environmental results of weather gusts, which could lessen average system efficiency. Moreover, several faults, such as three-phase faults and voltage fluctuations on the point of common coupling (PCC), can adversely affect system balance. To address those challenges, Static Synchronous Compensators (STATCOMs) are employed to enhance the integration of renewable energy sources (RESs) by providing vital reactive energy support. This examination additionally highlights the importance of advanced optimization techniques for tuning controllers, given the complexity of hybrid systems. The proposed observation indicates the application of a grey wolf optimization (GWO) primarily based on the multi-objective function. This algorithm acts to improve control parameters, thus increasing the system's reliability. The developed strategy is presented in several processes. Scenario 1 shows the system's capability to stabilise at 1 pu during voltage and current swell and sag. Scenario 2 highlights effective reactive power generation during renewable energy source penetration, while Scenario 3 demonstrates improved power quality with unbalanced non-linear loads. Lastly, Scenario 4 confirms that PCC stability is maintained between 0.92 and 0.97 pu during three-phase faults. Through tests, simulation results confirm the improvement of both current, voltage and Total Harmonic Distortion (THD) and reveal the efficiency of the proposed controller in supporting fast dynamic response. Thus, the activity of the proposed system has been verified through tests with the GWO strategy.http://www.sciencedirect.com/science/article/pii/S2590123025004852Hybrid energy resource systems (HRES)STATCOMGrey wolf optimization (GWO)Power quality (PQ)Voltage stabilityReactive power regulation
spellingShingle Muhammed F. Alwaeli
Sadjad Galvani
Vahid Talavat
Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique
Results in Engineering
Hybrid energy resource systems (HRES)
STATCOM
Grey wolf optimization (GWO)
Power quality (PQ)
Voltage stability
Reactive power regulation
title Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique
title_full Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique
title_fullStr Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique
title_full_unstemmed Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique
title_short Addressing power quality challenges in hybrid renewable energy systems through STATCOM devices and advanced gray wolf optimization technique
title_sort addressing power quality challenges in hybrid renewable energy systems through statcom devices and advanced gray wolf optimization technique
topic Hybrid energy resource systems (HRES)
STATCOM
Grey wolf optimization (GWO)
Power quality (PQ)
Voltage stability
Reactive power regulation
url http://www.sciencedirect.com/science/article/pii/S2590123025004852
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AT sadjadgalvani addressingpowerqualitychallengesinhybridrenewableenergysystemsthroughstatcomdevicesandadvancedgraywolfoptimizationtechnique
AT vahidtalavat addressingpowerqualitychallengesinhybridrenewableenergysystemsthroughstatcomdevicesandadvancedgraywolfoptimizationtechnique