Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy

Abstract In this paper, the impact of communication time delays (CTDs) on combined load frequency control (LFC) and automatic voltage regulation (AVR) of a multi-area system with hybrid generation units is addressed. Investigation reveals that CTDs have significant effect on system performance. A cl...

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Main Authors: C H. Naga Sai Kalyan, G. Sambasiva Rao
Format: Article
Language:English
Published: SpringerOpen 2021-03-01
Series:Protection and Control of Modern Power Systems
Subjects:
Online Access:https://doi.org/10.1186/s41601-021-00185-z
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author C H. Naga Sai Kalyan
G. Sambasiva Rao
author_facet C H. Naga Sai Kalyan
G. Sambasiva Rao
author_sort C H. Naga Sai Kalyan
collection DOAJ
description Abstract In this paper, the impact of communication time delays (CTDs) on combined load frequency control (LFC) and automatic voltage regulation (AVR) of a multi-area system with hybrid generation units is addressed. Investigation reveals that CTDs have significant effect on system performance. A classical PID controller is employed as a secondary regulator and its parametric gains are optimized with a differential evolution - artificial electric field algorithm (DE-AEFA). The superior performance of the presented algorithm is established by comparing with various optimization algorithms reported in the literature. The investigation is further extended to integration of redox flow batteries (RFBs) and interline power flow controller (IPFC) with tie-lines. Analysis reveals that IPFC and RFBs coordinated control enhances system dynamic performance. Finally, the robustness of the proposed control methodology is validated by sensitivity analysis during wide variations of system parameters and load.
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spelling doaj.art-af3890990fc74e4bab9be3bf6efd8ecf2022-12-21T22:07:42ZengSpringerOpenProtection and Control of Modern Power Systems2367-26172367-09832021-03-016112010.1186/s41601-021-00185-zImpact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategyC H. Naga Sai Kalyan0G. Sambasiva Rao1EEE Department, Acharya Nagarjuna UniversityEEE Department, RVR&JC College of EngineeringAbstract In this paper, the impact of communication time delays (CTDs) on combined load frequency control (LFC) and automatic voltage regulation (AVR) of a multi-area system with hybrid generation units is addressed. Investigation reveals that CTDs have significant effect on system performance. A classical PID controller is employed as a secondary regulator and its parametric gains are optimized with a differential evolution - artificial electric field algorithm (DE-AEFA). The superior performance of the presented algorithm is established by comparing with various optimization algorithms reported in the literature. The investigation is further extended to integration of redox flow batteries (RFBs) and interline power flow controller (IPFC) with tie-lines. Analysis reveals that IPFC and RFBs coordinated control enhances system dynamic performance. Finally, the robustness of the proposed control methodology is validated by sensitivity analysis during wide variations of system parameters and load.https://doi.org/10.1186/s41601-021-00185-zCombined LFC-AVRCommunication time delays (CTDs)IPFC-RFBs strategyDE-AEFA algorithm
spellingShingle C H. Naga Sai Kalyan
G. Sambasiva Rao
Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy
Protection and Control of Modern Power Systems
Combined LFC-AVR
Communication time delays (CTDs)
IPFC-RFBs strategy
DE-AEFA algorithm
title Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy
title_full Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy
title_fullStr Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy
title_full_unstemmed Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy
title_short Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy
title_sort impact of communication time delays on combined lfc and avr of a multi area hybrid system with ipfc rfbs coordinated control strategy
topic Combined LFC-AVR
Communication time delays (CTDs)
IPFC-RFBs strategy
DE-AEFA algorithm
url https://doi.org/10.1186/s41601-021-00185-z
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