Francisco González-Longatt
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View article: Assessing the Resilience of Malawi’s Power Grid to the 2022 Tropical Cyclone Ana Using a Combination of the AFLEPT Metric Framework and Resilience Capacities
Assessing the Resilience of Malawi’s Power Grid to the 2022 Tropical Cyclone Ana Using a Combination of the AFLEPT Metric Framework and Resilience Capacities Open
While power system resilience studies continue to grow due to the criticality of electrical infrastructures, the challenge of inconsistencies in evaluation frameworks remains. Furthermore, the desire for researchers to contribute towards t…
View article: Exploring Multiple Functionalities of Cyber-Physical Power System Within Digital Substation-Based Laboratory Environment
Exploring Multiple Functionalities of Cyber-Physical Power System Within Digital Substation-Based Laboratory Environment Open
The landscape of control centre technologies is dynamically adapting to the swift transformations in the physical world, specifically targeting wide-area monitoring, control, and protection in energy systems. In response to these changes, …
View article: Analysis of Real-Time Frequency Event in Indian Power System: Quantifying Frequency Response Reserves and Effective-Droop Performance
Analysis of Real-Time Frequency Event in Indian Power System: Quantifying Frequency Response Reserves and Effective-Droop Performance Open
In modern power systems, characterized by converter-interfaced generation and electronic interface loads, system inertia () is declining. While existing methods primarily focus on inertia estimation, a broader understanding of its impact o…
View article: Intelligent Electronic Device-in-the-Loop: A Real-Time Simulation as Modern Educational Aid
Intelligent Electronic Device-in-the-Loop: A Real-Time Simulation as Modern Educational Aid Open
Intelligent Electronic Devices (IEDs) have a crucial role in modern power systems. These IEDs can enhance power systems by providing up-to-date information to operators and ensuring proper operations of power system components. However, in…
View article: Optimized operation of AC–DC microgrid cluster with modified PLL and socket protocol
Optimized operation of AC–DC microgrid cluster with modified PLL and socket protocol Open
Microgrids integrating inverter based resources face challenges like stability issues during voltage fluctuations and reliance on diesel generators in islanded mode. This paper presents a novel control strategy for photovoltaic and wind‐in…
View article: Real-Time Cyber–Physical Power System Testbed for International Electrotechnical Commission 61850 Generic Object-Oriented Substation Event Transfer Time Measurements
Real-Time Cyber–Physical Power System Testbed for International Electrotechnical Commission 61850 Generic Object-Oriented Substation Event Transfer Time Measurements Open
Towards the decarbonisation of the power system, digital substations have gradually increased in smart grids, where Ethernet cables have replaced large quantities of copper wires. With this transition, the standardised communication protoc…
View article: Directional Overcurrent Protection Design for Distribution Network: CIGRE European Medium-Voltage Benchmark Network
Directional Overcurrent Protection Design for Distribution Network: CIGRE European Medium-Voltage Benchmark Network Open
Overcurrent protection is a fundamental aspect of power system protection and is widely utilised in distribution networks. The increasing integration of renewable energy sources (RESs) into the conventional power system has introduced oper…
View article: Fault Detection in Distribution Networks with Distributed Generation: A Practical Guide to the Morphological Median Filter for the Feature Extraction of Faults
Fault Detection in Distribution Networks with Distributed Generation: A Practical Guide to the Morphological Median Filter for the Feature Extraction of Faults Open
In this paper, a signal processing method based on Mathematical Morphology (MM) is developed, designed to extract representative characteristics of signals that allow the identification and detection of various types of faults in distribut…
View article: Impact of Distributed Generation Integration on Protection Devices: A Case Study in the CIGRE European Medium Voltage Network
Impact of Distributed Generation Integration on Protection Devices: A Case Study in the CIGRE European Medium Voltage Network Open
This study examines the impact of Inverter-Based Distributed Generators (IIDGs) on short-circuit currents detected by the main relay at the head of a radial feeder. It highlights how changes in fault currents induced by these inverter tech…
View article: Low-frequency oscillations damping with doubly-fed induction generators embodying grid-forming control with hardware-in-the-loop simulation
Low-frequency oscillations damping with doubly-fed induction generators embodying grid-forming control with hardware-in-the-loop simulation Open
The integration of wind power generation into modern power systems necessitates the development of advanced control strategies to enhance grid stability and reliability. Among these strategies, grid-forming control has emerged as a promisi…
View article: Agglomerative Hierarchical Clustering Methodology to Restore Power System considering Reactive Power Balance and Stability Factor Analysis
Agglomerative Hierarchical Clustering Methodology to Restore Power System considering Reactive Power Balance and Stability Factor Analysis Open
Despite there are significant advancements in modern power systems, blackouts remain a potential risk, necessitating efficient restoration strategies. This paper introduces an innovative concept for power system restoration, focusing on ba…
View article: Deep reinforcement learning approach to estimate the energy-mix proportion for secure operation of converter-dominated power system
Deep reinforcement learning approach to estimate the energy-mix proportion for secure operation of converter-dominated power system Open
The dynamic evolution of the modern energy landscape has forced the integration of renewable energy sources (RESs) into power generation, catalyzing a paradigm shift towards converter-dominated power systems. This paper addresses the imper…
View article: P-f Stability of 2030 Nordic Power System due to Non-Synchronous Generation
P-f Stability of 2030 Nordic Power System due to Non-Synchronous Generation Open
The Nordic Power System is undergoing significant transformation and development in the coming years. A driving factor for this is the increased dependency on renewable energy sources and high voltage direct current transmission (HVDC). Va…
View article: Real-Time Cyber-Physical Power System Testbed for Optimal Power Flow Study Using Co-Simulation Framework
Real-Time Cyber-Physical Power System Testbed for Optimal Power Flow Study Using Co-Simulation Framework Open
Today’s power system is transforming into an increasingly complex entity, consisting of numerous components, such as transmission lines, controllable loads, and especially different types of distributed renewable energy sources (DERs). Wit…
View article: A machine learning-based methodology for short-term kinetic energy forecasting with real-time application: Nordic Power System case
A machine learning-based methodology for short-term kinetic energy forecasting with real-time application: Nordic Power System case Open
The progressive substitution of conventional synchronous generation for renewable-based generation imposes a series of challenges in many aspects of modern power systems, among which are the issues related to the low rotational inertia sys…
View article: Enhanced demand side management for solar‐based isolated microgrid system: Load prioritisation and energy optimisation
Enhanced demand side management for solar‐based isolated microgrid system: Load prioritisation and energy optimisation Open
A novel control mechanism is presented for rural microgrids, standing out in the current literature with its advanced approach to load prioritisation and energy allocation. The system's main goal is to maximise energy supply to essential l…
View article: Cyber-Physical Testbed Co-Simulation Real-Time: Normal and Abnormal System Frequency Response
Cyber-Physical Testbed Co-Simulation Real-Time: Normal and Abnormal System Frequency Response Open
Future carbon-neutral power systems impose many challenges; one is the urgent need for a simulation platform that allows replicating the complex systems’ actual dynamic performance. This paper shows the results of implementing a cyber-phys…
View article: Co-simulation-based optimal reactive power control in smart distribution network
Co-simulation-based optimal reactive power control in smart distribution network Open
The increasing integration of distributed energy resources such as photovoltaic (PV) systems into distribution networks introduces intermittent and variable power, leading to high voltage fluctuations. High PV integration can also result i…
View article: Future Dutch Electricity Grid: Assessing the Potential of Overplanting in Photovoltaic Systems
Future Dutch Electricity Grid: Assessing the Potential of Overplanting in Photovoltaic Systems Open
This paper concerns with the determination of a suitable level of overplanting for photovoltaic systems. For this purpose, six futuristic operational scenarios for the Dutch electrical power system are generated for year 2050. A synthetic …
View article: Wide-Area Damping of Sub-Synchronous Oscillations Excited by Large Wind Power Plants
Wide-Area Damping of Sub-Synchronous Oscillations Excited by Large Wind Power Plants Open
Power electronic interfaced generation (PEIG) has become significantly dominant in the electrical power grid. This development is leading to a decrease in systemic inertia and damping against electrical oscillations. This causes the introd…
View article: Day-ahead energy-mix proportion for the secure operation of renewable energy-dominated power system
Day-ahead energy-mix proportion for the secure operation of renewable energy-dominated power system Open
Advancements in various scientific fields have encouraged the development of novel tools, techniques, components, methodologies, and innovations aimed at addressing the challenges encountered in modern power systems dominated by inverter-b…
View article: Low-Cost Real-Time Control Platform with Embedded Isolated Electrical Sensors for Power Electronics
Low-Cost Real-Time Control Platform with Embedded Isolated Electrical Sensors for Power Electronics Open
This paper presents a versatile, low-cost real-time control platform with embedded isolated inputs and outputs for direct usage in electrical applications. The inputs correspond to voltage and current measurements, while the outputs are di…
View article: Power Routing Strategy for an Offshore-Onshore Bipolar VSC-HVDC Interconnector
Power Routing Strategy for an Offshore-Onshore Bipolar VSC-HVDC Interconnector Open
Distantly-located offshore energy hubs need to be connected to the shore via High Voltage Direct Current (HVDC) links to allow for an efficient bulk power exchange. A bipolar configuration of the HVDC link is suitable for a point-to-point …