Decentralized Optimized Integral Sliding Mode-Based Load Frequency Control for Interconnected Multi-Area Power Systems

Alhelou, Hassan Haes; Nagpal, Neelu; Kassarwani, Neelam; Siano, Pierluigi

doi:10.1109/access.2023.3262790

Cited by 21 publications

(3 citation statements)

References 34 publications

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“…The system's dynamics are modelled by a set of first-order differential equations that consist of state variables; these are referred to as state equations or a state-space model [51], [52].…”

Section: State-space Model Of Mg Power System (Stability Analysis)mentioning

confidence: 99%

A Hybrid Sparrow Search Optimized Fractional Virtual Inertia Control for Frequency Regulation of Multi-Microgrid System

Fadheel,

Wahab,

Manoharan

et al. 2024

IEEE Access

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This paper introduces a robust approach, integrating a Virtual Inertia Controller (VIC) with a modified demand response controller for an islanded Multi-Microgrid (MMG) system, accommodating high levels of Renewable Energy Sources (RESs). In these MGs, the low inertia in the system has an undesirable impact on the stability of MG frequency. As a result, it leads to a weakening of the MGs overall performance. A novel fractional derivative virtual inertia is integrated into the VIC loop to address this issue. This enhancement aims to fortify the MG's stability and robust performance, particularly when facing contingencies. Furthermore, a modified demand response controller has been incorporated into the proposed inertia control technique to mitigate the frequency fluctuations and reduce stress on the energy storage system (ESS). Fractional Order Proportional Integral Derivative (FOPID) controllers have been employed to regulate the active power output of the biodiesel generators and the Geothermal station in the MG. The hybrid sparrow search and mountain gazelle optimizer algorithm (SSAMGO) optimizes the parameters for the three-loop controller. Time-domain simulations assess the effectiveness of proposed controllers in enhancing system frequency stability. SSAMGO's performance was comprehensively evaluated, comparing it to various optimization algorithms in diverse scenarios. The results obtained from the MMG system demonstrate that utilizing the proposed controller technique, optimized with hybrid SSAMGO parameters, yields notable improvements in settling time by 24.68%, 46.20%, 7.52%, and 61.01%, steady-state error values by 72.56%, 98.18%, 98.73%, and 6.67%, undershoot by 105.76%, 144.23%, 19.23%, and 7.69% compared to other stateof-the-art algorithms presented in the literature. Finally, the proposed control technique's effectiveness and robustness are assessed in comparison to conventional inertia control across various system scenarios. These scenarios encompass random load demand fluctuations, real-time changes in RES, and a wide spectrum of system operations, including situations with reduced damping and inertia and high levels of load variation.INDEX TERMS Virtual inertia control, Load frequency control, Renewable energy resources, Hybrid optimization algorithm, Demand response control, Power system stability, Microgrid system.

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Section: State-space Model Of Mg Power System (Stability Analysis)mentioning

confidence: 99%

A Hybrid Sparrow Search Optimized Fractional Virtual Inertia Control for Frequency Regulation of Multi-Microgrid System

Fadheel,

Wahab,

Manoharan

et al. 2024

IEEE Access

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show abstract

“…So, ( 18) is formulated using Schur complements as: Now, let X i = P −1 i , and multiply (19) from left and right by diag{X i , X i , X i , X i , X i , I}. Recalling of the values of A c ii , and A c ij and selecting…”

Section: Static Output Feedback Control Designmentioning

confidence: 99%

“…A micro-grid LFC system with constant communication delays was proposed in [18], where delay margins for PI gains were derived. A decentralized LFC strategy based on switching control theory with transmission delay in the subsystem was presented in [9,19], while a load frequency control problem with constant and time-varying Vol. 3, No.…”

mentioning

confidence: 99%

Stability Analysis of Cyber-physical System Under Transmission Delay

Alyazidi

Al-Wajih

Mahmoud

et al. 2023

IJRCS

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With the intimate integration of power grids and cyber networks, limited bandwidth and packet delay have a rapidly expanding negative impact on power system performance. The presented multi-area interconnected power system consists of four areas, each including thermal and hydro-generation plants. This paper investigates the stability analysis problem for cyber-physical systems with a round-robin communication protocol under mixed cyberattacks and load changes. The objective is to stabilize a multi-area interconnected power system (MAIPS) using a static feedback controller while minimizing the defined performance function. Then, the stability of the MAIPS is characterized when the system is subjected to a transmission delay while considering predetermined limits for the duration and the frequency of the delay. Our findings indicate that time delays can influence system stability and that choosing an appropriate sampling interval is necessary to ensure the stability of the system. Finally, an illustrative example of three areas of interconnected power systems with several scenarios is presented to verify the effectiveness of the proposed method.

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Optimized Integral Sliding Mode Load Frequency Control of an Isolated Power System

Kassarwani,

Nagpal,

Sehgal

et al. 2024

Lecture Notes in Electrical Engineering

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Decentralized Optimized Integral Sliding Mode-Based Load Frequency Control for Interconnected Multi-Area Power Systems

Cited by 21 publications

References 34 publications

A Hybrid Sparrow Search Optimized Fractional Virtual Inertia Control for Frequency Regulation of Multi-Microgrid System

A Hybrid Sparrow Search Optimized Fractional Virtual Inertia Control for Frequency Regulation of Multi-Microgrid System

Stability Analysis of Cyber-physical System Under Transmission Delay

Optimized Integral Sliding Mode Load Frequency Control of an Isolated Power System

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