M. Begovic

Texas A&M University | TAMU · Department of Electrical and Computer Engineering

The integration of Distributed energy resources (DERs) into distribution networks has been increasing in recent years, causing concerns related to operation, control, stability, reliability, and protections. The traditional protection schemes based on overcurrent (OC) relays, which are commonly used in radial distribution networks, experience issue...

Microgrid systems have emerged as a viable solution to address the challenges associated with conventional power grids, such as reliability, resiliency, and sustainability. The protection of microgrids plays a crucial role in ensuring their safe and efficient operation. This paper presents a novel approach to enhance microgrid protection by applyin...

The hierarchical control structure was introduced to allow the integration of power electronics based distributed generation into the microgrid in a smart and flexible manner. The main aim of the primary controller in such a structure is to achieve accurate active and reactive power sharing whereas the secondary control aims to ensure voltage and f...

The emergence of distributed energy resources has led to new challenges in the operation and planning of power networks. Of particular significance is the introduction of a new layer of complexity that manifests in the form of new uncertainties that could severely limit the resiliency and reliability of a modern power system. For example, the incre...

Distributed Energy Resources (DER) early uses as a backup generation has been progressing toward permanent Distributed Generation (DG), along with the development and enhancement of new technologies over small-scale generation. Over last few years, increasing penetration of renewables in the distribution networks at consumer level raises concerns o...

Distributed Energy Resources (DER) early uses as a backup generation has been progressing toward permanent Distributed Generation (DG), along with the development and enhancement of new technologies over small-scale generation. Over last few years, increasing penetration of renewables in the distribution networks at consumer level raises concerns o...

This paper introduces a new framework of deep reinforcement learning based protective relay design in power distribution systems with many distributed energy resources (DERs). With increasing penetration of power electronically-interfaced resources, conventional overcurrent relays’ performance is rendered less effective due to the two-way uncertain...

Distributed Energy Resources (DERs) have disrupted the traditional electrical system. Grid-connected photovoltaic (PV) systems deliver electric energy closer to the consumer, shifting the paradigm from centralized to distributed generation. The impact of the stochastic PV output power gives rise to potentially rapid voltage fluctuations. Reactive p...

This paper introduces PyProD, a Python-based machine learning (ML)-compatible test-bed for evaluating the efficacy of protection schemes in electric distribution grids. This testbed is designed to bridge the gap between conventional power distribution grid analysis and growing capability of ML-based decision making algorithms, in particular in the...

The microgrids have increased their penetration level in the existing power systems. This chapter presents a comprehensive review of microgrids including their control, operation, reliability, economic, protection, and communications issues. The microgrid can be considered as a small‐scale power grid that consists of distributed energy resources, l...

The smart grid (SG) principle transfers the future generation electricity network to smarter and intelligent grid through enabling bi‐directional information and active participation from all connected parties. Demand response (DR) is considered as a cost‐effective solution for tackling uncertainty issues when operating the SG. DR programs can be c...

The impact of the energy storage systems (ESSs) on the future grid is gaining more attention than before from power system designers, grid operators and regulators. This chapter presents a detailed review on different energy storage technologies, their current and future status, their share in different smart grid (SG) applications, and their techn...

This chapter provides energy systems researchers and decision makers with a good insight into the fundamental drivers of customer acceptance of the smart grid (SG) and the logical steps for their engagement to apply the SG technology and make it feasible in a timely manner. A SG is responsive to consumer, utility, and energy market needs by complet...

This chapter provides a systematic review of the actual state of renewable energy sources (RES) implementation, the challenging problems and the direction of future research. It discusses the operational integration of RES in the smart grid (SG) environment. RES is helped by nature and produce energy straight from the sun (thermal, photo‐chemical,...

This chapter sheds light on the business model concept, its main components and how it can be used to analyze the impact of smart grid (SG) technology to create, deliver and capture a value for utility businesses. The business model concept is based on two theories of management: the resource‐based view and transaction cost economics. The tradition...

This chapter presents an overview of electric vehicles (EVs); their current status and also future opportunities, in addition to the challenges of integrating them into the smart grid. Electrifying transportation is a promising approach to alleviate the issues caused by conventional internal‐combustion‐engine vehicles (CICEVs). EVs show better perf...

The smart grid (SG) allows integration of renewable energy sources, distributed generation (DG) and storage systems. This chapter builds on the concepts of data management and analytics in SG to build the foundation needed for data analytics to transform Big Data for high‐value action. Big data sources in SG generally fall into two main categories;...

This chapter presents an overview of smart grid (SG) standards; new standardization studies, SG policies of some countries, and some important standards for SG. Most countries and industrial organizations have understood the crucial role of SG standards and they have taken big steps to develop these standards. Several national and international org...

This chapter discusses the current state of simulation‐based approaches including multi‐domain simulation, co‐simulation, and real‐time simulation and hardware‐in‐the‐loop for the smart grid (SG). Simulation‐based evaluation software has become a more valuable tool for power system planning, designing, and analysis since the introduction of more so...

Smart grid (SG) offers multi‐way communication among energy generation, transmission, distribution, and usage facilities. This chapter sheds light on the communication challenges and requirements for SG and describes most suitable communication architecture and technologies including wired and wireless technologies. Advanced metering infrastructure...

This chapter reviews the net zero energy buildings (nZEB) definition, design, modeling, controlling, and optimization. Occupancies energy conservation behavior and their awareness and engagement are essentials for achieving the nZEC. The chapter presents the net zero energy community (nZEC) as an extension for applying the nZEB concept. Four usuall...

This chapter discusses the principles of current electrical power systems. The two main characteristics of conventional electrical power systems are: centralized energy generation and unidirectional power delivery systems. The traditional power grid is a centralized control and management system that uses a supervisory control and data acquisition....

The structure of the smart grid (SG) can be divided into two main parts, SG infrastructure and SG applications. This chapter offers novel insights and comprehensive analysis on the cyber security of the SG to ensure that the SG is highly secure against the cyber‐attack threat for both communication and physical networks, without impacting customer...

This paper presents a new statistical parametric model to predict the times-to-failure of broad classes of identical devices such as on-load tap changers, switched capacitors, breakers, etc. A two-parameter Weibull distribution with scale parameter given by the inverse power law is employed to model the survivor functions and hazard rates of on-loa...

The grid integration of a photovoltaic solar system operating with maximum power point tracking is being presented in this paper. The system uses a dc-dc converter for power tracking while employing finite control set model predictive control (FCS-MPC) to govern the dc-ac inverter. An effective control scheme that employs only FCS-MPC in the entire...

Multi-inverter microgrid systems, particularly those with loop topology, offer higher power supply reliability and robustness compared to conventional radial distribution systems. In meshed systems, communication-less protection schemes have proved to be ineffective for multi-inverter microgrids due to bidirectional power flow, and limited and cont...

In the post-industrial digital-economy era, dealing with constant power loads along with distributed energy resources, including photovoltaic systems, energy storage, and electrified transportation are the new challenges. This is particularly important in the distribution portion of the electrical power system level where power quality and system i...

In the post-industrial digital-economy, motors powering manufacturing have been replaced by computers powering ecommerce - with significant financial losses attributable to poor power quality (PQ). At the same time, increasing penetration of distributed generation and constant power loads complicate the job for the electric utilities to deliver hig...

Power electronics interface of renewable energy to system is now the trend in both transmission and distribution segments of power network. Unlike synchronous generators, the fault feeding and control characteristic of these renewable generators are different and mostly influenced by the topology, switching, and control deployed in power electronic...

With the increased use of power electronic for ac-to-dc converters, electrical distributions systems are experiencing an increased in non-linear loads. These non-linear loads, such as the classical rectifier, draw non-sinusoidal currents which tend to have a deleterious impact on the power quality of the modern AC distribution systems. The interact...

The emergence of distributed generation in the low voltage distribution networks has led to new challenges in the regulation of feeder voltages. Of particular significance is the variability associated with the photovoltaic power and its impact on the operation of some of the mechanically switching voltage regulating equipment such as On-load Tap C...

In this paper, a review of different frequency control methods for microgrid is presented. Also, the variables considered for choosing an optimal size of energy storage associated with renewable resources are discussed. Conditions of droop control technique used for inverters operating in parallel are analyzed. Simulation investigations using MATLA...

Nearly two decades of work on VIP (Voltage Instability Prediction) has enhanced the ability to obtain information on system vulnerability to voltage collapse based on minimum local information. Several indices have been developed over the past 20 years for local monitoring of voltage collapse problems, each with a different level of complexity with...

The two decades of work on the localized monitoring of voltage stability has led to some interesting modifications to the problem of Voltage Instability Prediction (VIP). With development of new techniques over the years, a significant amount of complexity has also been added to the original formulation of the VIP. Some of the issues remain - the i...

Small-scale and decentralized renewable distributed generation (DG) systems, especially PV systems, will soon be dispersed in distribution networks. The objective of this study is to present tools and algorithms useful for planning distribution networks enhanced by randomly distributed DG. To remove the uncertainties of the location, the capacity,...

Presents information regarding changes planned to PES Technical Committee.

Discusses the need for PES technical committees and technical councils to restructure and improve the reach, quality, and efficiency of the many technical activities of each group.

Synchrophasor Standards have evolved since the first one was introduced in 1995, IEEE 1344-1995. IEEE Standard C37.118-2005 introduced the evaluation of measurement accuracy under steady state conditions and interference rejection. It also defined a messaging system for communication of phasor data. In 2009, the IEEE started a joint project with IE...

Synchrophasor Standards have evolved since the introduction of the first one, IEEE Standard 1344, in 1995. IEEE Standard C37.118-2005 introduced measurement accuracy under steady state conditions as well as interference rejection. In 2009, the IEEE started a joint project with IEC to harmonize real time communications in IEEE Standard C37.118-2005...

The IEEE Power & Energy Society (PES) has continued to grow during one of the largest economic downturns in modern history. PES has developed a vision and strategy, which will represent the core resource in formulating the new activities and shaping our future directions. Part of the document provides an overview of PES membership, Chapters, and re...

The IEEE PSRC System Protection Subcommittee Working Group C14 has produced a report that describes practical applications of synchrophasors in protection applications. The report begins with the history of synchrophasors and then goes into issues to consider in their application. Some existing applications are described and then future application...

In 2010, photovoltaic generation accounted for 0.28 percent of the renewable generation mix in USA. It has recently been growing at an annual rate of over 220 percent [9]. The proliferation of PV systems offers opportunities (such as a reduction in peak load and loss) but also potential for use in Volt/Var management and control. It also creates ne...

The value of being a member differs somewhat among various geographic locations. For example, members in Regions 1 6 often find their best point of contact in large Chapters, some of which are larger than the entire national PES membership of some small countries. Such is the case, for example, with the Atlanta Chapter. The enthusiasm for meetings,...

There are many definitions for sustainability. Mathis Wackernagel, creator of the ecological footprint concept, defined sustainability as “securing people’s quality of life within the means of nature”. The United Nations’ World Commission on Environment and Development (the Brundtland Commission) defined sustainable development as “development that...

After 15 years of use, voltage instability identification techniques based on determination of Thevenin-like equivalents have matured, but many issues remain. In this paper, some of them are addressed - computing, as well as some ideas about handling systems with pronounced transmission corridors (flowgates).

There are values and services that haven't changed much over the years. One of them is a membership in IEEE. Depending on what career stage one is in, IEEE can offer a lot of value. The offer provides a list of benefits, which is just a short overview of some of the main features of IEEE membership.

Various aspects of electricity generation resource allocation and planning are presented in this study on a hypothetical example of the generation resource pool of the state of Georgia augmented by a substantial amount of photovoltaic renewable generation, likely to happen in the next several years due to increased proliferation of PV, supported by...

Electric transmission networks are among the largest human-made engineering systems: For example, the transmission network in the United States covers over 300,000 km of lines and is served by 500 companies (electric utilities). In sharp contrast to the very incremental developments of the last century, transmission and control technologies experie...

The IEEE Power & Energy Society (PES), in 2012, undertook the task of evaluating its accomplishments over the previous five years and preparing to set goals for the future. One of the continuous goals is to maintain our successful ongoing programs and to secure the funds for their uninterrupted deployment. Among the significant actions regarding im...

Secondary voltage controls, as a non-cost voltage control, are often conducted by utilities as the first option to solve voltage violations. Utilities like PJM and MISO manually coordinate secondary voltage controls aiming at regulating voltage profile and avoiding the use of potentially costly controls, such as transmission loading relief or load...

The elections of 2011 are over, and the new IEEE Power & Energy (PES) leadership is in place. At the beginning of each new two-year cycle, it is time to reflect on accomplishments, things that have been done right (or wrong), and goals for the times ahead. At the beginning of this new term for PES leadership, our membership is growing, our finances...

Numerous North American utilities are integrating growing numbers of investor-owned photovoltaic distributed generation (PV-DG) plants into their distribution systems to comply with state-mandated Renewable Portfolio Standards (RPS). Given the fact that distribution systems have been designed to be operated in a radial fashion, interconnection of P...

In the world where consumption of electricity is forecasted to nearly double over the next 25 years, all aspects of electric energy generation, transmission and distribution will become more challenging. Renewables will certainly constitute part of the planned generation additions of over 5 TW of new electricity generating capacity (including repla...

Transmission systems represent the backbone of the electric energy. They support transport of electric energy from large producers (power plants) to the load centers (residential areas, manufacturing facilities, business centers or a combination thereof). Those networks are probably among the largest human-made engineering systems – the transmissio...

Preparation for global movement to urban regions requires a holistic study of infrastructure interactions. The impact of water and energy on one another has been studied to show how they are dependent upon one another. Other infrastructure interactions also are vital to designing more sustainable cities. The primary infrastructures are: water, ener...

Distributed renewable PV generation, whose cost is slowly decreasing towards grid parity, may provide operational benefits in urban feeders: it could level the load curve, improve the voltage profile and reliability and reduce losses across the feeder, improve the transmission capacity margin, as well as provide environmental benefits. The small di...

This book provides an overview of recent work by a group of researchers who have tackled the problem of inter-area oscillations from the perspective of nonlinear and nonstationary systems. The 267-page text is divided into eight chapters, with each providing a unique insight into the modern approach to study inter-area phenomena using techniques th...

The objective of the paper is to provide a brief overview of localized recursive techniques for assessment of severity of voltage disturbances potentially leading to voltage collapse, to quantify some of their limitations, especially when dealing with discontinuous state transitions due to contingencies and activation of generator limiters, as well...

This paper addresses the problem of coordinating voltage control in a large-scale power system partitioned into control areas operated by independent utilities. Two types of coordination modes are considered to obtain settings for tap changers, generator voltages, and reactive power injections from compensation devices. First, it is supposed that a...

Across power systems, large classes of identical devices can be found which support the system operation (transformers, breakers, switches, utility poles, etc.) The problem of their operational management is often aggravated by in-service failures and associated additional costs. Part of asset management strategy is to learn the failure characteris...

This paper addresses the problem of centralized optimization of an interconnected power system partitioned into several regions controlled by different transmission system operators (TSOs). It is assumed that those utilities have agreed to transferring some of their competencies to a centralized control center, which is in charge of setting the con...

Evaluation procedure for interconnection of distributed generation (DG) to distribution feeder is presented. Regulatory documents are used as guidelines for the approach. Three categories of interconnections are identified. Detailed interconnection studies are proposed to further investigation of prospective interconnections. Additional considerati...

Distributed static series compensators (DSSC) are used to modulate series impedance of critical transmission lines in order to improve voltage stability margin. Voltage margin sensitivity is derived with respect to the applied control using DSSC. An example where applying load shedding results in reduction in margin is presented. In this case a DSS...

The paper addresses the problem of decentralized optimization for a power system partitioned into several areas controlled by different transmission system operators (TSOs). The optimization variables are the settings for taps, generators' voltages and compensators', and the objective function is either based on the minimization of reactive power s...

This paper addresses the problem of reactive power dispatch in a power system partitioned into several areas controlled by different transmission system operators. Previous research has shown that nearly optimal performance could be achieved in a time-invariant system by using a specific iterative decentralized control scheme with no information ex...