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View article: A novel damping strategy for off-grid cost-based virtual synchronous generators
A novel damping strategy for off-grid cost-based virtual synchronous generators Open
Islanded microgrids (IMGs) address low-inertia challenges using virtual synchronous generators (VSGs), but this introduces low-frequency oscillations (LFOs) due to swing equation replication. Unlike conventional proportional power-sharing,…
View article: Efficient optimal power flow learning: A deep reinforcement learning with physics-driven critic model
Efficient optimal power flow learning: A deep reinforcement learning with physics-driven critic model Open
The transition to decarbonized energy systems presents significant operational challenges due to increased uncertainties and complex dynamics. Deep reinforcement learning (DRL) has emerged as a powerful tool for optimizing power system ope…
View article: Time-domain protection scheme for inverter-dominated islanded microgrid using low-bandwidth communication channels
Time-domain protection scheme for inverter-dominated islanded microgrid using low-bandwidth communication channels Open
This paper introduces a low-bandwidth communication time-domain protection scheme for inverter-dominated islanded microgrids. The developed scheme relies on pre- and post-fault current samples at line ends, and requires only sharing one va…
View article: A kurtosis-ESPRIT algorithm for RealTime stability assessment in droop controlled microgrids
A kurtosis-ESPRIT algorithm for RealTime stability assessment in droop controlled microgrids Open
Although detailed analytical models for droop-controlled microgrids are available, they are computationally complex and do not consider real-time variations in microgrid parameters and operating conditions. This paper proposes Kurtosis-Est…
View article: Online stability assessment for isolated microgrid via LASSO based neural network algorithm
Online stability assessment for isolated microgrid via LASSO based neural network algorithm Open
Online prediction of the dominant modes is very important for microgrid operation. The dominant modes determine microgrid stability and the active and reactive power oscillations. Therefore, online prediction of these modes is essential to…
View article: A Comprehensive Study of Thermal and Performance Characteristics in Revamped Multiphase Synchronous Reluctance Machines
A Comprehensive Study of Thermal and Performance Characteristics in Revamped Multiphase Synchronous Reluctance Machines Open
This paper presents a comprehensive thermal analysis of a three-phase synchronous reluctance motor (SynRM) that has been converted into a five-phase machine using an innovative rewinding approach, providing a practical and cost-effective s…
View article: Per-Phase Unsymmetrical Adaptive Derivative Optimized Droop for Mitigating Voltage Quality Issues of Unbalanced Islanded Microgrids
Per-Phase Unsymmetrical Adaptive Derivative Optimized Droop for Mitigating Voltage Quality Issues of Unbalanced Islanded Microgrids Open
The proliferation of unbalanced linear and nonlinear loads in microgrids degrades the voltage quality at the inverter terminals, and thus, load terminals receive unbalanced and distorted voltages. To alleviate these voltage quality issues,…
View article: A Coordinated Multitimescale Model Predictive Control for Output Power Smoothing in Hybrid Microgrid Incorporating Hydrogen Energy Storage
A Coordinated Multitimescale Model Predictive Control for Output Power Smoothing in Hybrid Microgrid Incorporating Hydrogen Energy Storage Open
The intermittency of renewable energy sources (RESs) leads to the incorporation of energy storage systems into microgrids (MGs). In this article, a novel strategy based on model predictive control is proposed for the management of a wind–s…
View article: Blockchain-based energy trading in droop-based hybrid microgrids
Blockchain-based energy trading in droop-based hybrid microgrids Open
Blockchain technology has recently enhanced energy trading by providing a new low-cost, secure, and decentralized transaction mechanism. This paper proposes a new methodology for applying blockchain in energy trading for a hybrid microgrid…
View article: Modified Tilt-integral active disturbance rejection controller with inertia emulated direct current link for frequency control of marine microgrid
Modified Tilt-integral active disturbance rejection controller with inertia emulated direct current link for frequency control of marine microgrid Open
The increasing integration of intermittent renewable sources (RSs) poses a dynamic frequency stability challenge for modern marine vessel microgrids. To address this issue, this paper proposes a novel control approach, specifically targeti…
View article: Advance Controller for Power Quality and Performance Improvement of Grid-Connected Single- Phase Rooftop PVS
Advance Controller for Power Quality and Performance Improvement of Grid-Connected Single- Phase Rooftop PVS Open
This paper presents a robust controller for a single-phase single-stage photovoltaic systems (PVS) converter connected to the grid. A high efficiency single-phase single-stage converters are prone to double frequency oscillations and DC-li…
View article: Enhancing Dynamic Performance of Islanded Microgrids by Fractional-Order Derivative Droop
Enhancing Dynamic Performance of Islanded Microgrids by Fractional-Order Derivative Droop Open
Islanded operation of microgrids (MGs) with parallel-operated inverters imposes many control challenges in terms of stability and dynamic behavior, especially at contingency events. Hence, improving the dynamic performance and the stabilit…
View article: Improving the robustness of distributed secondary control in autonomous microgrids to mitigate the effects of communication delays
Improving the robustness of distributed secondary control in autonomous microgrids to mitigate the effects of communication delays Open
Distributed control has been employed in autonomous microgrids (MGs) to attain secondary control goals. However, the reliance of MG's distributed secondary control on communication makes it vulnerable to degraded performance and the risk o…
View article: Enhancing Power Quality Event Classification with AI Transformer Models
Enhancing Power Quality Event Classification with AI Transformer Models Open
Recently, there has been a growing interest in utilizing machine learning for accurate classification of power quality events (PQEs). However, most of these studies are performed assuming an ideal situation, while in reality, we can have m…
View article: Integration of cascaded coordinated rolling horizon control for output power smoothing in islanded wind–solar microgrid with multiple hydrogen storage tanks
Integration of cascaded coordinated rolling horizon control for output power smoothing in islanded wind–solar microgrid with multiple hydrogen storage tanks Open
This paper presents a strategy based on the hierarchical rolling horizon control, also called model predictive control (MPC), for efficiently managing a hydrogen-energy storage system (HESS) within an islanded wind–solar microgrid. An elec…
View article: Improving small-signal stability of inverter-based microgrids using fractional-order control
Improving small-signal stability of inverter-based microgrids using fractional-order control Open
Augmenting the range of the active droop gain in inverter-based microgrids (IBMGs) is required for faster power sharing and improved control at the secondary level. However, IBMG stability is degraded when active droop gain is increased, w…
View article: Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage
Enhanced SVPWM Techniques for Six-Phase Inverters: Mitigation of Current Harmonics and Common Mode Voltage Open
Reducing current harmonics and common mode voltage (CMV) holds highest importance for six-phase electric vehicles, as it not only prolongs the lifespan of crucial components but also significantly enhances overall vehicle performance, oper…
View article: Trends in Smart Grid Cyber-Physical Security: Components, Threats, and Solutions
Trends in Smart Grid Cyber-Physical Security: Components, Threats, and Solutions Open
The increasing focus on cyber-physical security in Smart Grids (SGs) has catalyzed a surge in research over recent years. This paper comprehensively reviews SG cyber-physical security advancements, diverging from conventional studies that …
View article: A novel virtual inertia-based damping stabilizer for frequency control enhancement for islanded microgrid
A novel virtual inertia-based damping stabilizer for frequency control enhancement for islanded microgrid Open
The Inverter-based generator lacks natural inertia, which leads to instability problems in Microgrid frequency. Virtual inertia is a promising control concept that rapidly injects/absorbs active power to/from the power system to ensure the…