Variable structure control for dynamic
            <scp>power‐sharing</scp>
            and voltage regulation of
            <scp>DC</scp>
            microgrid with a hybrid energy storage system

Singh, Prashant; Lather, J. S.

doi:10.1002/2050-7038.12510

Cited by 13 publications

(5 citation statements)

References 41 publications

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“…Simulations using MATLAB/Simulink were used to test the proposed control strategy. In order to address demand generation inconsistency and DC bus voltage constraints, a novel method based on variable structural management for power-sharing between batteries and supercapacitors was introduced in [6]. The solution outperformed conventional control methods in terms of peak DC bus voltage changes, as demonstrated by the simulation results.…”

Section: Literature Reviewmentioning

confidence: 97%

Augmented Two-Stage Hierarchical Controller for Distributed Power Generation System Powered by Renewable Energy: Development and Performance Analysis

Bhutto

2024

Preprint

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The sustainable development of an area is highly dependable on reliable electrical energy supply. Microgrids are important in integrating distributed energy resources (DERs) using power electronic converters. However, microgrid control becomes challenging with the increasing number of distributed generators and loads. With the conventional droop control method, power contributions from DER converters cannot be accurately shared due to a mismatch of line impedances. In this paper, an augmented hierarchical control mechanism is proposed to solve the issues mentioned above. This hierarchical control mechanism consists of primary and secondary controllers. The primary stage utilized the droop controller to improve optimal power flow, mainly for the resistive network. The secondary stage is based on an improved methodology to compensate for the voltage and frequency variations during small and large signal disturbances. Moreover, the modelling and analysis for PMSG-based wind energy conversion systems are also presented. The response of the primary controller for the active and reactive power sharing is investigated. The analysis emphasizes the demonstration of optimal power-sharing under normal and abnormal conditions for the considered load. Finally, the suggested robust controller's performance is evaluated in MATLAB environment and simulation results show the proposed scheme's superiority under different operating conditions.

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Section: Literature Reviewmentioning

confidence: 97%

Augmented Two-Stage Hierarchical Controller for Distributed Power Generation System Powered by Renewable Energy: Development and Performance Analysis

Bhutto

2024

Preprint

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“…The issues like frequent switching, delay in starting, and uneven loading in diesel generators are managed properly for smooth flow of power. A sliding mode control (SMC) based proportional-integer (PI) controller design is proposed in [6] for the DC-bus voltage regulation A. Bharatee, P. K. Ray (corresponding author), and A. Ghosh are with the Department of Electrical Engineering, National Institute of Technology, Rourkela, 769008, India (e-mail: bharatee. anindya@gmail.…”

Section: Introductionmentioning

confidence: 99%

A Power Management Scheme for Grid-connected PV Integrated with Hybrid Energy Storage System

Bharatee

Ray

Ghosh

2022

Journal of Modern Power Systems and Clean Energy

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The penetration of renewable energy sources (RESs) in the distribution system becomes a challenge for the reliable and safe operation of the existing power system. The sporadic characteristics of sustainable energy sources along with the random load variations greatly affect the power quality and stability of the system. Hence, it requires storage systems with both high energy and high power handling capacity to coexist in microgrids. An efficient energy management structure is designed in this paper for a grid-connected PV system combined with hybrid storage of supercapacitor and battery. The combined supercapacitor and battery storage system grips the average and transient power changes, which provides a quick control for the DC-link voltage, i. e., it stabilizes the system and helps achieve the PV power smoothing. The average power distribution between the power grid and battery is done by checking the state of charge (SOC) of a battery, and an effective and efficient energy management scheme is proposed. Additionally, the use of a supercapacitor lessens the current stress on the battery system during unexpected disparity in the generated power and load requirement. The performance and efficacy of the proposed energy management scheme are justified by simulation studies.

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“…Hence, a suitable power management strategy is very important for the MG operation [12]. A low-pass filter-based power management study was presented in [10,13,14] to share the total system power requirement between the battery and SC storage system in a PV-integrated hybrid AC/DC microgrid system. In this literature, conventional proportional-integral (PI) controllers are utilized to maintain a simple control structure.…”

Section: Introductionmentioning

confidence: 99%

Power Management Strategies in a Hybrid Energy Storage System Integrated AC/DC Microgrid: A Review

et al. 2022

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The limited availability of fossil fuel and the growing energy demand in the world creates global energy challenges. These challenges have driven the electric power system to adopt the renewable source-based power production system to get green and clean energy. However, the trend of the introduction of renewable power sources increases the uncertainty in the production, control, and operation of power systems due to the erratic nature of the environment. To overcome these meteorological conditions, some support systems, such as storage devices, are integrated with renewable energy sources (RES). A number of storage devices are hybridized to get the hybrid energy storage system (HESS) to get a potential solution for these microgrid problems. For maintaining the robustness and reliability of the power system, proper control, and management of power in the microgrid is very important. In this paper, an analytical study related to power management strategies is given along with different interconnection topologies for the HESS. Analysis and control of storage devices are necessary to avoid the premature degradation of the devices and to get their optimal utilization. Therefore, this article attempts to include different power management schemes used in AC/DC microgrids. Furthermore, various control techniques specific to different energy storage devices are reviewed extensively, which would serve as a complete guide for the design and implementation of a hybrid AC/DC microgrid.

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Variable structure control for dynamic power‐sharing and voltage regulation of DC microgrid with a hybrid energy storage system

Cited by 13 publications

References 41 publications

Augmented Two-Stage Hierarchical Controller for Distributed Power Generation System Powered by Renewable Energy: Development and Performance Analysis

Augmented Two-Stage Hierarchical Controller for Distributed Power Generation System Powered by Renewable Energy: Development and Performance Analysis

A Power Management Scheme for Grid-connected PV Integrated with Hybrid Energy Storage System

Power Management Strategies in a Hybrid Energy Storage System Integrated AC/DC Microgrid: A Review

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