Tarek Youssef

University of West Florida | UWF · Department of Electrical Engineering

The necessity of critical communication between intelligent electronic devices (IEDs) in different substations led to expanding the Generic Object-Oriented Substation Event protocol (GOOSE) from the local area network (LAN) to the wide area network (WAN). International Electrotechnical Commission (IEC) 61850-90-5 has extended GOOSE messages as rout...

The current proliferation of Unmanned Aerial Systems (UAS) for a wide range of applications ranging from commercial to defense purposes demands the need for their protection. The development of security tools and techniques will need realistic Radio Frequency (RF) datasets for research and testing. This paper presents an ongoing research and develo...

In this paper, a data-centric communication framework is proposed for multicast routable generic object-oriented substation event (GOOSE) messages (MRGM) over the wide area network (WAN) for effective substation-to-substation (SS2SS) and substation to control center (SS2CC) communications. In this structure, the IEC 61850 GOOSE message is transmitt...

The reliable performance of the smart grid is a function of the configuration and cyber–physical nature of its constituting sub-systems. Therefore, the ability to capture the interactions between its cyber and physical domains is necessary to understand the effect that each one has on the other. As such, the work in this paper presents a co-simulat...

The operation of the smart grid is anticipated to rely profoundly on distributed microprocessor-based control. Therefore, interoperability standards are needed to address the heterogeneous nature of the smart grid data. Since the IEC 61850 emerged as a wide-spread interoperability standard widely accepted by the industry, the Sampled Measured Value...

The smart grid energy management with variable renewable energy resources presents many challenges to the grid operation. An optimized solution to manage the available resources is necessary to achieve reliable operation. This paper presents the Hierarchical Distributed Model Predictive Control (HDMPC) to solve the energy management problem in mult...

This paper proposes a decentralized control algorithm for the medium voltage direct current (MVDC) shipboard storage system to enhance the onboard survivability. The algorithm takes decisions based on local measurements, which makes it robust against cyber-attacks and able to provide fast response. The voltage profile of the MVDC bus has sufficient...

Medium Voltage Direct Current (MVDC) power system will revolutionize the future of the marine all-electricships (AES). However, with the presence of the constant power load (CPL), which behaves as incremental ne-gative resistance, and the presence of heavy pulsed loads (HPL), that consume a massive amount of pulsedpower, the voltage stability of th...

The smart grid energy management with variable renewable energy resources presents many challenges to the grid operation. An optimized solution to manage the available resources is necessary to achieve reliable operation. This paper presents the Hierarchical Distributed Model Predictive Control (HDMPC) to solve the energy management problem in mult...

As Electric Vehicles proliferate and dominate the roads, public charging will be required extensively. Wide range coverage of energy information is required on finger tips for taking decisions at different levels and for all stakeholders. For this reason, a need arises for a correlated and all-inclusive framework that trades the unilateral discrimi...

The penetration of electric vehicles (EVs) is expected to increase in the future. With more EVs on the road, more loads will be added to power systems, which will impact the system voltage and loading. This paper studies the impact of the EVs on the distribution system and provides an automated controller that satisfies the customer requirements an...

moderate-to-severe disease. However, these drugs tend to perform less well in the maintenance of remission. Route of administration may influence efficacy and network meta-analyses of trial data indicate a superiority of intravenous drugs (IV; Infliximab; IFX) over subcutaneous (SC; adalimumab; ADA). We conducted a retrospective multicentre case-co...

Introduction Studies have found increased expression of IL-23 in inflamed and non-inflamed mucosa of patients with ulcerative colitis (UC). This study was done to evaluate serum interleukin-23 as a non-invasive test for ulcerative colitis disease and assessed its correlation with the disease severity. Methods A prospective case-control study where...

In this paper, a novel PWM carrier synchronization method is proposed for distributed DC–DC convert-ers in DC-Microgrids. The synchronization method is based on carrier frequency extraction from DC-busvoltage ripple. In addition, an advanced phase shift control algorithm for the synchronized carriers isimplemented to reduce the DC bus voltage rippl...

In this paper, a smart distributed DC/DC converter synchronization advanced technique and phase angle optimization algorithm are proposed using to reduce the DC bus overall ripple. A global positioning system-based scheme is used to synchronize the carrier among the distributed converters. The carrier phase angle optimization among the different co...

The smart grid is seen as a power system with real-time communication and control capabilities between the consumer and the utility. This modern platform facilitates the optimization in energy usage based on several factors including environmental, price preferences, and system technical issues. In this paper a real-time energy management system (E...

This paper proposes a communication-assisted fault localization, isolation and restoration method for microgrids based on a multiagent system (MAS). The proposed system com-prises distributed agents, located in the middle and at the two ends of a protection section, which will detect a fault through phase an-gle comparison of current signals at bot...

The increased penetration levels of renewables and distributed energy resources (DERs) result in increased challenges in maintaining reliable control and operation of the grid. Integrating a wide variety of systems governed by different regulations, and owned by different entities, to the grid increases the level of uncertainty, not only on the dem...

Standardization in smart grid communications is necessary to facilitate complex operations of modern power system functions. However, the strong coupling between the cyber and physical domains of the contemporary grid exposes the system to vulnerabilities and thus places more burden on standards’ developers. As such, standards need to be continuous...

This paper presents an advanced Real-Time Energy Management System (RT-EMS) for Microgrid (MG) systems. The proposed strategy of RT-EMS capitalizes on the power of Genetic Algorithms (GAs) to minimize the energy cost and carbon dioxide emissions while maximizing the power of the available renewable energy resources. MATLAB-dSPACE Real-Time Interfac...

This paper presents an advanced Real-Time Energy Management System (RT-EMS) for Microgrid (MG) systems. The proposed strategy of RT-EMS capitalizes on the power of Genetic Algorithms (GAs) to minimize the energy cost and carbon dioxide emissions while maximizing the power of the available renewable energy resources. MATLAB-dSPACE Real-Time Interfac...

This paper presents a communication-assisted fault localization, isolation and restoration method for microgrids based on a multiagent system (MAS). The proposed system comprises distributed agents, located in the middle and at the two ends of a protection section, which will detect a fault through phase angle comparison of current signals at both...

The diverse components of an ICS discussed in the previous chapter must communicate with other components of the ICS. To do so, they are often connected within a “wired” communication architecture. Although wired connections render valuable reliable services to the infrastructure elements, nature or man-made disasters can damage the ICS wired commu...

This paper presents the development and application of a real-time testbed for multiagent system interoperability. As utility independent private microgrids are installed constantly, standardized interoperability frameworks are required to define behavioral models of the individual agents for expandability and plug-and-play operation. In this paper...

This paper details the modeling and development of an improved controller design for a dc flywheel energy storage system (FESS) driving circuit. The driving system is based on a bidirectional buck-boost converter. The modeling of this converter including the parasitic resistances for all the components was carried out. In this model, the equivalent...

with the emergence of Wireless Power Transfer (WPT) systems in electric vehicle (EV) applications, variety of power electronics converters topologies are implemented. The proper converter design is crucial in these application to be able to handle the high power and frequency operation. This paper presents an optimum design of 40 kHz single-phase H...

Substations constitute a fundamental part in providing reliable electricity to consumers. For a substation to maintain electricity reliability and its own real-time operability, communication between its components is inevitable. Before the emergence of IEC 61850, inter-substation communication was established via expensive copper wires with limite...

This paper presents the design and implementation of a communication and control infrastructure for smart grid operation. The proposed infrastructure enhances the reliability of the measurements and control network. The advantages of utilizing the data-centric over message-centric communication approach are discussed in the context of smart grid ap...

This paper presents the design and implementation of communication and control infrastructure for smart grid test-bed operation. The proposed infrastructure enhances the reliability of the measurements and control network. The Data Distribution Services is used as a communication middleware. In order to facilitate interoperability and remote access...

This paper introduces advanced power-electronic converter topologies for Electric Vehicles (EVs) using a four-phase DC/DC interleaved boost converter (FP-IBC) and a five-level T-type DC/AC multilevel converter. A comparison between the proposed topologies and other converter topologies is performed and discussed. The simulation results are analysed...

This paper introduces the modeling and an improved controller design for a driving system for a DC Flywheel Energy Storage System (FESS). The Driving system is based on a Bi-directional Buck-Boost converter, the accurate modeling of the system including the parasitic resistances for all the components is carried out. In this model, the equivalent c...

Developing the control algorithms of electric machine drives for less noise and harmonics is proposed here for design improvements. Modern control algorithms for electric machine drives are implemented, and their radiated magnetic fields are measured and imported into a digital signal processing unit. The measurement was implemented using magnetic...

Microgrids are small scale electricity networks comprising diverse distributed resources (DER) which can operate in grid-connected or islanded mode. An islanding situation may occur in a cascading way, where the DER types inside the islanded area have substantial impacts by means of control schemes. This paper presents a comprehensive study of the...

This paper presents an electromagnetic-artificial intelligence design optimization approach of a wireless power transfer link (WPTL). Electromagnetic solutions from a 3DFE model of the WPTL were utilized to minimize the field signature around each design while maintaining high efficiency. The reduced field signatures around the WPTL would enable th...

In grid-connected wind energy conversion systems (WECSs), phase locked loop (PLL) technique became widely used to enhance the stability and power quality. However, the accuracy of PLL is one of the major aspects that influence the system performance. Conventional synchronous-reference frame PLL (SRF-PLL) techniques have difficulty of low accuracy,...

This paper presents a modified synchronous reference frame for Active Power Filter control (APF) to compensate for harmonics and reactive power for both balanced and unbalanced non-linear loads. The proposed controller autonomously detects different power quality problems, filters out load created harmonics and compensates for unbalances and/or DC...

In this paper, an improved methodology for the design and precise parameter selection for a controlled rectifier (CR) is presented. We propose an improvement over the existing techniques for inductor and capacitor design based on current ripple, error analysis and switching state analysis. Furthermore, an equation for the design of the DC link capa...

In this paper, an improved methodology for the design and precise parameter selection for a controlled rectifier (CR) is presented. We propose an improvement over the existing techniques for inductor and capacitor design based on current ripple, error analysis and switching state analysis. Furthermore, an equation for the design of the DC link capa...

In this paper, a novel intelligent controller for grid connection of DC microgrids is presented. The proposed controller allows the bi-directional AC/DC converter, linking the DC microgrid to the main utility grid, to provide the main functionalities of an inverter. Such functions include bi-directional power flow control and independent control of...

In this paper, a study of the radiated electromagnetic behavior of a power inverter is proposed. An inverter is simulated using three dimensional finite element (FE) modeling with a new approach in simulating the switching activity. The inverter is connected to an electric motor drive. For verification, the same setup was experimentally tested and...

Accurate detection of grid voltage phase angle under fault and distorted voltage conditions is essential for distributed generation (DG). Failure to detect supply voltage phase angle accurately will lead to frequency fluctuation, power oscillation and harmonic currents. For Microgrid applications, the synchronization mechanism should be able to det...

In this paper, the application of wide area measurement and control for voltage assessment of hybrid AC/DC smart grid is investigated. The power available from renewable energy assets and storage elements on the microgrids is utilized to maintain system voltage stability. The system under study consists of two DC microgrids coupled to a multi-bus A...