Omar Abdel‐Rahim
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View article: Evolving Towards Efficient Technologies in Power Systems: The Paradigm of Energy Internet Survey
Evolving Towards Efficient Technologies in Power Systems: The Paradigm of Energy Internet Survey Open
View article: Identification and Alleviation of False Data Injection Within the Cyber Layer of an Enhanced Distributed Secondary Control in DC Islanded Microgrids
Identification and Alleviation of False Data Injection Within the Cyber Layer of an Enhanced Distributed Secondary Control in DC Islanded Microgrids Open
As a result of the integration of communication links within secondary control to circumvent the drawbacks associated with centralized control, microgrids have evolved into cyber-physical systems which are susceptible to cybersecurity risk…
View article: Transient stability enhancement of virtual synchronous generators with virtual resistance
Transient stability enhancement of virtual synchronous generators with virtual resistance Open
Virtual synchronous generators (VSGs) incorporate virtual resistance (VR) in inverter control as a damping mechanism for oscillations that appear around the synchronous frequency due to interactions between the inverter impedance and the l…
View article: Power electronics for green hydrogen generation with focus on methods, topologies, and comparative analysis
Power electronics for green hydrogen generation with focus on methods, topologies, and comparative analysis Open
This research article meticulously examines advanced power electronic converters crucial for optimizing electrolyzer perfor- mance in hydrogen production systems. It conducts a thorough review of mature electrolyzer types, detailing their …
View article: Virtual power plants: an in-depth analysis of their advancements and importance as crucial players in modern power systems
Virtual power plants: an in-depth analysis of their advancements and importance as crucial players in modern power systems Open
Background Virtual power plants (VPPs) represent a pivotal evolution in power system management, offering dynamic solutions to the challenges of renewable energy integration, grid stability, and demand-side management. Originally conceived…
View article: Development of low-cost micro-fabrication procedures for planar micro-thermoelectric generators based on thin-film technology for energy harvesting applications
Development of low-cost micro-fabrication procedures for planar micro-thermoelectric generators based on thin-film technology for energy harvesting applications Open
With the rapid proliferation of portable and wearable electronics, energy autonomy through efficient energy harvesting has become paramount. Thermoelectric generators (TEGs) stand out as promising candidates due to their silent operation, …
View article: Enhancing hydrogen generation through advanced power conditioning in renewable energy integration
Enhancing hydrogen generation through advanced power conditioning in renewable energy integration Open
Producing hydrogen using renewable energy is a pivotal move towards cleaner and eco-friendlier energy generation, playing a vital role in safeguarding the environment. This method merges power electronic tools with electrolysers, which are…
View article: Impact of uncertainties in wind and solar energy to the optimal operation of DG based on MCS
Impact of uncertainties in wind and solar energy to the optimal operation of DG based on MCS Open
Optimum operation of power system network becomes of great importance to handle the problem of power shortage. Connecting renewable energy (RE) based distributed generators (DG) into electrical networks (EN) are spreading rapidly to earn m…
View article: Developing a three stage coordinated approach to enhance efficiency and reliability of virtual power plants
Developing a three stage coordinated approach to enhance efficiency and reliability of virtual power plants Open
View article: A Real-Time Zbus-based Method for Peer-to-Peer Energy Transactions in The Energy Internet
A Real-Time Zbus-based Method for Peer-to-Peer Energy Transactions in The Energy Internet Open
The Energy Internet (EI) has emerged as a promising field within smart grids, addressing capacity limitations and discrepancies in energy resources. It facilitates a peer-to-peer (P2P) energy trading environment for EI prosumers and consum…
View article: A comparative study for two Novel Optimization Algorithms used to solve Microgrid Energy Management problem considering Energy Storage System
A comparative study for two Novel Optimization Algorithms used to solve Microgrid Energy Management problem considering Energy Storage System Open
In this paper, an optimization solution is introduced to address an Energy Management problem for a Microgrid comprising Photovoltaic arrays, Wind Turbines, Combined Heat and Power units, and a Battery Energy Storage System. The goal is to…
View article: Coordinated Hybrid Load Re-Phasing: Introducing an Innovative Approach to Enhance the Integration of Renewable Energy Sources in Lv Distribution Grids While Addressing Grid Unbalances
Coordinated Hybrid Load Re-Phasing: Introducing an Innovative Approach to Enhance the Integration of Renewable Energy Sources in Lv Distribution Grids While Addressing Grid Unbalances Open
View article: Energy Internet: State of the Art and Challenges
Energy Internet: State of the Art and Challenges Open
The Energy Internet is expected to transform the landscape of electricity generation portfolio, distribution, and consumption through the integration of advanced sensing, communication, and control technologies in daily grid operations. Th…
View article: An enhanced consensus-based distributed secondary control for voltage regulation and proper current sharing in a DC islanded microgrid
An enhanced consensus-based distributed secondary control for voltage regulation and proper current sharing in a DC islanded microgrid Open
A centralized secondary control is utilized in a DC islanded microgrid to fine-tune voltage levels following the implementation of droop control. This is done to avoid conflicts between current allocation and voltage adjustments. However, …
View article: Grid-Forming Control: Advancements towards 100% Inverter-Based Grids—A Review
Grid-Forming Control: Advancements towards 100% Inverter-Based Grids—A Review Open
Changes are being implemented in the electrical power grid to accommodate the increased penetration of renewable energy sources interfaced with grid-connected inverters. The grid-forming (GFM) control paradigm of inverters in active power …
View article: A model predictive control strategy for enhancing fault ride through in PMSG wind turbines using SMES and improved GSC control
A model predictive control strategy for enhancing fault ride through in PMSG wind turbines using SMES and improved GSC control Open
Wind energy has emerged as a prominent player in the realm of renewable energy sources, both in terms of capacity and technological adaptability. Among the various renewable energy technologies, wind turbine generators stand out as the mos…
View article: Applications of IoT and digital twin in electrical power systems: A comprehensive survey
Applications of IoT and digital twin in electrical power systems: A comprehensive survey Open
This paper reviews the applications of Internet of Things (IoT) and digital twin technology in electrical power systems. It begins by discussing the generalized IoT value chain, followed by the terminology of smart grid, with clarifying th…
View article: A Real-Time Zbus-Based Method for Peer-to-Peer Energy Transactions in the Energy Internet
A Real-Time Zbus-Based Method for Peer-to-Peer Energy Transactions in the Energy Internet Open
View article: Enhancing Photovoltaic Conversion Efficiency With Model Predictive Control-Based Sensor-Reduced Maximum Power Point Tracking in Modified SEPIC Converters
Enhancing Photovoltaic Conversion Efficiency With Model Predictive Control-Based Sensor-Reduced Maximum Power Point Tracking in Modified SEPIC Converters Open
The objective of this paper is to propose a new technique for maximum power point tracking (MPPT) in photovoltaic (PV) systems that utilizes fewer sensors, thereby reducing the hardware cost. The technique aims to achieve efficient MPPT un…
View article: Evaluation of the Effect of Electric Vehicle Charging on the Aging of Distribution Transformers: Aswan City Case of Study
Evaluation of the Effect of Electric Vehicle Charging on the Aging of Distribution Transformers: Aswan City Case of Study Open
View article: Implementation of New Optimal Control Methodology of Quazi Z-Source Inverter Based on MPC
Implementation of New Optimal Control Methodology of Quazi Z-Source Inverter Based on MPC Open
Model predictive control (MPC) is a well-known control methodology in power electronics systems, due to its ability to deal with the system’s nonlinearities and superior dynamic response. MPC is able to handle multiple variables by adjusti…
View article: Enhanced Virtual Inertia Control for Microgrids with High-Penetration Renewables Based on Whale Optimization
Enhanced Virtual Inertia Control for Microgrids with High-Penetration Renewables Based on Whale Optimization Open
High penetration of renewable energy sources into isolated microgrids (µGs) is considered a critical challenge, as µGs’ operation at low inertia results in frequency stability problems. To solve this challenge, virtual inertia control base…
View article: Fault Ride-Through Techniques for Permanent Magnet Synchronous Generator Wind Turbines (PMSG-WTGs): A Systematic Literature Review
Fault Ride-Through Techniques for Permanent Magnet Synchronous Generator Wind Turbines (PMSG-WTGs): A Systematic Literature Review Open
Global warming and rising energy demands have increased renewable energy (RE) usage globally. Wind energy has become the most technologically advanced renewable energy source. Wind turbines (WTs) must ride through faults to ensure power sy…
View article: An Efficient Non-Inverting Buck-Boost Converter with Improved Step Up/Down Ability
An Efficient Non-Inverting Buck-Boost Converter with Improved Step Up/Down Ability Open
In this article, a new non-inverting buck-boost converter with superior characteristics in both bucking and boosting is presented. The proposed converter has some distinct features, such as high step-up/-down ability and low voltage/curren…
View article: High-Gain Seven-Level Switched-Capacitor Two-Stage Multi-Level Inverter
High-Gain Seven-Level Switched-Capacitor Two-Stage Multi-Level Inverter Open
Due to the low voltage of the PV module and to enable AC module technology, where every PV module has its own DC-AC converter, this paper introduces a new high step-up seven-level two-stage multilevel inverter for a grid-connected Photovol…
View article: New High-Gain Transformerless DC/DC Boost Converter System
New High-Gain Transformerless DC/DC Boost Converter System Open
This article proposes a new high-gain transformerless dc/dc boost converter. Although they possess the ability to boost voltage at higher voltage levels, converter switching devices are under low voltage stress. The voltage stress on activ…
View article: DC Integration of Residential Photovoltaic Systems: A Survey
DC Integration of Residential Photovoltaic Systems: A Survey Open
PV systems are penetrating the energy generation market rapidly and their output strongly depends on environmental conditions. To maximize the energy yield, the utilization of power electronic converters with maximum power tracking functio…
View article: High-Performance Buck-Boost Partial Power Quasi-Z-Source Series Resonance Converter
High-Performance Buck-Boost Partial Power Quasi-Z-Source Series Resonance Converter Open
The converter efficiency defines the overall efficiency of a renewable energy system. In a full power converter, its components process the whole input power, even if it is not mandatory. Partial power processing (PPP) is an exciting conce…
View article: Ultimate Transformerless Boost DC-DC Converter for Renewable Energy Applications
Ultimate Transformerless Boost DC-DC Converter for Renewable Energy Applications Open
In this article, a new high gain dc/dc converter is proposed that can be used with applications that require elevating output voltage to higher voltage-level such as PV applications.The proposed configuration is able to achieve high-voltag…
View article: SMART GRID TECHNOLOGY, TRANSMISSION OF ELECTRICAL ENERGY IN POWER SUPPLY AND LIGHTING SYSTEMS OF CITIES
SMART GRID TECHNOLOGY, TRANSMISSION OF ELECTRICAL ENERGY IN POWER SUPPLY AND LIGHTING SYSTEMS OF CITIES Open
Modern power supply and lighting systems of cities are complex electrical systems of an automated type, in which the processes in individual power supply systems and city lighting systems are interconnected and interdependent. Therefore, t…