Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation

This paper presents a distributed consensus-based voltage and frequency control (VFC) strategy for isolated microgrids with distributed energy resources (DERs) and induction motor loads. The proposed controller coordinates the DERs to regulate microgrid frequency and voltage while mitigating fault-i...

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Main Author: Baheej Alghamdi
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Energy Research
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fenrg.2024.1468496/full
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author Baheej Alghamdi
Baheej Alghamdi
author_facet Baheej Alghamdi
Baheej Alghamdi
author_sort Baheej Alghamdi
collection DOAJ
description This paper presents a distributed consensus-based voltage and frequency control (VFC) strategy for isolated microgrids with distributed energy resources (DERs) and induction motor loads. The proposed controller coordinates the DERs to regulate microgrid frequency and voltage while mitigating fault-induced delayed voltage recovery (FIDVR), a phenomenon where system voltage remains depressed for several seconds after fault clearance due to induction motor stalling. The VFC loop adjusts DER voltage setpoints based on frequency deviation and voltage level to regulate voltage and mitigate FIDVR events, while the active power control loop maintains frequency stability by coordinating active power sharing among DERs and compensating for the constant power load behavior of stalled induction motors. A proximity-based reactive power support prioritization and a distributed voltage estimator enhance the controller’s response to FIDVR events. Coordination between the VFC and active power control loops is achieved through adaptive gain adjustment and a voltage recovery coordination term. Simulation results demonstrate the effectiveness of the proposed controller in maintaining microgrid stability, ensuring fast voltage recovery, and providing robust performance under various operating conditions, including communication delays and different fault durations.
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spelling doaj-art-583c74c19789413c9b41c61e560cc8942025-01-21T16:35:07ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2025-01-011210.3389/fenrg.2024.14684961468496Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigationBaheej Alghamdi0Baheej Alghamdi1Smart Grids Research Group, Center of Research Excellence in Renewable Energy and Power Systems, King Abdulaziz University, Jeddah, Saudi ArabiaDepartment of Electrical and Computer Engineering, King Abdulaziz University, Jeddah, Saudi ArabiaThis paper presents a distributed consensus-based voltage and frequency control (VFC) strategy for isolated microgrids with distributed energy resources (DERs) and induction motor loads. The proposed controller coordinates the DERs to regulate microgrid frequency and voltage while mitigating fault-induced delayed voltage recovery (FIDVR), a phenomenon where system voltage remains depressed for several seconds after fault clearance due to induction motor stalling. The VFC loop adjusts DER voltage setpoints based on frequency deviation and voltage level to regulate voltage and mitigate FIDVR events, while the active power control loop maintains frequency stability by coordinating active power sharing among DERs and compensating for the constant power load behavior of stalled induction motors. A proximity-based reactive power support prioritization and a distributed voltage estimator enhance the controller’s response to FIDVR events. Coordination between the VFC and active power control loops is achieved through adaptive gain adjustment and a voltage recovery coordination term. Simulation results demonstrate the effectiveness of the proposed controller in maintaining microgrid stability, ensuring fast voltage recovery, and providing robust performance under various operating conditions, including communication delays and different fault durations.https://www.frontiersin.org/articles/10.3389/fenrg.2024.1468496/fulldistributed consensus controlvoltage and frequency controlisolated microgridsDERsFIDVRactive power control
spellingShingle Baheej Alghamdi
Baheej Alghamdi
Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation
Frontiers in Energy Research
distributed consensus control
voltage and frequency control
isolated microgrids
DERs
FIDVR
active power control
title Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation
title_full Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation
title_fullStr Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation
title_full_unstemmed Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation
title_short Distributed consensus-based voltage and frequency control for isolated microgrids with fault-induced delayed voltage recovery mitigation
title_sort distributed consensus based voltage and frequency control for isolated microgrids with fault induced delayed voltage recovery mitigation
topic distributed consensus control
voltage and frequency control
isolated microgrids
DERs
FIDVR
active power control
url https://www.frontiersin.org/articles/10.3389/fenrg.2024.1468496/full
work_keys_str_mv AT baheejalghamdi distributedconsensusbasedvoltageandfrequencycontrolforisolatedmicrogridswithfaultinduceddelayedvoltagerecoverymitigation
AT baheejalghamdi distributedconsensusbasedvoltageandfrequencycontrolforisolatedmicrogridswithfaultinduceddelayedvoltagerecoverymitigation