Fractional Order Robust PID Controller Design for Voltage Control of Islanded Microgrid

Sikder, Stanley H.; Rahman, Md. Mukidur; Sarkar, Subrata; Das, Sajal K.

doi:10.1109/ceeict.2018.8628040

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…The decentralized control techniques used for GFM voltage source inverters are based on the conventional droop control technique known as wireless methods [59]. The droopbased GFM inverters are responsible for regulating the fundamental variables of MGs (i.e., voltage and frequency) and controlling the output power of IIDGs.…”

Section: Non-communication-based Control Strategies For Iidgs In Auto...mentioning

confidence: 99%

Frequency and Voltage Control Techniques through Inverter-Interfaced Distributed Energy Resources in Microgrids: A Review

et al. 2022

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Microgrids (MG) are small-scale electric grids with local voltage control and power management systems to facilitate the high penetration and grid integration of renewable energy resources (RES). The distributed generation units (DGs), including RESs, are connected to (micro) grids through power electronics-based inverters. Therefore, new paradigms are required for voltage and frequency regulation by inverter-interfaced DGs (IIDGs). Notably, employing effective voltage and frequency regulation methods for establishing power-sharing among parallel inverters in MGs is the most critical issue. This paper provides a comprehensive study, comparison, and classification of control methods including communication-based, decentralized, and construction and compensation control techniques. The development of inverter-dominated MGs has caused limitations in employing classical control techniques due to their defective performance in handling non-linear models of IIDGs. To this end, this article reviews and illustrates advanced controllers that can deal with the challenges that are created due to the uncertain and arbitrary impedance characteristics of IIDGs in dynamics/transients.

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Section: Non-communication-based Control Strategies For Iidgs In Auto...mentioning

confidence: 99%

Frequency and Voltage Control Techniques through Inverter-Interfaced Distributed Energy Resources in Microgrids: A Review

et al. 2022

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“…This control algorithm dose not require high level of knowledge. It minimizes the steady state error to improve the responses [127]. Parameters selection is an important task to improve the performance of PID controller.…”

Section: Proportional Integral Derivative Controllermentioning

confidence: 99%

A survey on control issues in renewable energy integration and microgrid

Badal

Das

Sarker

et al. 2019

Prot Control Mod Power Syst

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253

112

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This paper describes the usefulness of renewable energy throughout the world to generate power. Renewable energy adds a remarkable scope in power system. Renewable energy sources act as the prime mover of a microgrid. The Microgrid is a small network of power system with distributed generation (DG) units connected in parallel. The integration challenges of renewable energy sources and the control of microgrid are described in this paper. The varied nature of DG system produces voltage and frequency deviation. The unknown nature of the load produces un-modeled dynamics. This un-modeled dynamic introduces measurable effects on the performance of the microgrid. This paper investigates the performance of the microgrid against different scenarios. The voltage of the microgrid is controlled by using different controllers and their results are also investigated. The performance of controllers is investigated using MATLAB/Simulink SimPowerSystems.

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“…It was shown that a robust FOPID reduces the effects of PV and wind turbine output power fluctuations, load variations, and the parametric uncertainties of the islanded microgrid frequency. In [30], learning‐based FOPID controllers are introduced and a decentralised demand response programming was proposed to mitigate the frequency deviation of a stand‐alone microgrid because of parametric uncertainties as well as changes in climatic patterns. In [31], FOPID controllers were used in an islanded microgrid with a single power source to control the fluctuations of the output voltage.…”

Section: Introductionmentioning

confidence: 99%

Distributed control strategy for DC microgrids based on average consensus and fractional‐order local controllers

et al. 2021

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A novel distributed secondary layer control strategy based on average consensus and fractional-order proportional-integral (FOPI) local controllers is proposed for the regulation of the bus voltages and energy level balancing of the energy storage systems (ESSs) in DC microgrids. The distributed consensus protocol works based on an undirected sparse communication network. Fractional-order local controllers increase the degree of freedom in the tuning of closed-loop controllers, which is required for DC microgrids with high order dynamics. Therefore, here, FOPI local controllers are proposed for enhanced energy balancing of ESSs and improved regulation of the bus voltages across the microgrid. The proposed control strategy operates in both islanded and grid-connected modes of a DC microgrid. In both modes, the average voltage of the microgrid converges to the microgrid desired reference voltage. The charging/discharging of ESSs is controlled independent of the microgrid operating mode to maintain a balanced energy level. The performance of the proposed distributed control strategy is validated in a 38-V DC microgrid case study, simulated by Simulink real-time desktop, consisting of 10 buses and a photovoltaic renewable energy source.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Fractional Order Robust PID Controller Design for Voltage Control of Islanded Microgrid

Cited by 6 publications

References 16 publications

Frequency and Voltage Control Techniques through Inverter-Interfaced Distributed Energy Resources in Microgrids: A Review

Frequency and Voltage Control Techniques through Inverter-Interfaced Distributed Energy Resources in Microgrids: A Review

A survey on control issues in renewable energy integration and microgrid

Distributed control strategy for DC microgrids based on average consensus and fractional‐order local controllers

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