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Robust Control in Power Systems

Author: Bikash Pal
Publisher: Springer Science & Business Media
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Robust Control in Power Systems deals with the applications of new techniques in linear system theory to control low frequency oscillations in power systems. The book specifically focuses on the analysis and damping of inter-area oscillations in the systems which are in the range of 0.2-1 Hz. The damping control action is injected through high power electronic devices known as flexible AC transmission system (FACTS) controllers. Three commonly used FACTS controllers: controllable series capacitors (CSCs) controllable phase shifters (CPSs) and static var compensators (SVCs) have been used in this book to control the inter-area oscillations. The overview of linear system theory from the perspective of power system control is explained through examples. The damping control design is formulated as norm optimization problem. The H_infinity, H2 norm of properly defined transfer functions are minimized in linear matrix inequalities (LMI) framework to obtain desired performance and stability robustness. Both centralized and decentralized control structures are used. Usually the transmission of feedback signal from a remote location encounters delays making it difficult to control the system. Smith predictor based approach has been successfully explored in this book as a solution to such a problem. Robust Control in Power Systems will be valuable to academicians in the areas of power, control and system theory, as well as professionals in the power industry.


Electrical Power Systems

Author: Alan Elliott Guile
Publisher: Elsevier Science & Technology
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Electrical Power Systems

Author: C L Wadhwa
Publisher: New Age International
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In A Clear And Systematic Manner, This Book Presents An Exhaustive Exposition Of The Various Dimensions Of Electrical Power Systems. Both Basic And Advanced Topics Have Been Thoroughly Explained And Illustrated Through Solved Examples.Salient Features * Fundamentals Of Power Systems, Line Constant Calculations And Performance Of Overhead Lines Have Been Discussed * Mechanical Design Of Lines, Hvdc Lines, Corona, Insulators And Insulated Cables Have Been Explained * Voltage Control, Neutral Grounding And Transients In Power Systems Explained * Fault Calculation, Protective Relays Including Digital Relays And Circuit Breakers Discussed In That Order * Power Systems Synchronous Stability And Voltage Stability Explained * Insulation Coordination And Over Voltage Protection Explained * Modern Topics Like Load Flows, Economic Load Dispatch, Load Frequency Control And Compensation In Power System Nicely Developed And Explained Using Flow Charts Wherever Required * Zbus Formulation, Power Transformers And Synchronous Machines As Power System Elements Highlighted * Large Number Of Solved Examples, Practice Problems And Multiple Choice Questions Included. Answers To Problems And Multiple-Choice Questions ProvidedWith All These Features, This Is An Invaluable Textbook For Undergraduate Electrical Engineering Students Of Indian And Foreign Universities. Amie, Gate, All Competitive Examination Candidates And Practising Engineers Would Also Find This Book Very Useful.


Understanding Electric Power Systems

Author: Frank Delea
Publisher: John Wiley & Sons
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Technological advances and changes in government policy andregulation have altered the electric power industry in recent yearsand will continue to impact it for quite some time. Fully updatedwith the latest changes to regulation, structure, and technology,this new edition of Understanding Electric Power Systemsoffers a real-world view of the industry, explaining how itoperates, how it is structured, and how electricity is regulatedand priced. It includes extensive references for the reader andwill be especially useful to lawyers, government officials,regulators, engineers, and students, as well as the general public.The book explains the physical functioning of electric powersystems, the electric power business in today's environment, andthe related institutions, including recent changes in the roles ofthe Federal Energy Regulatory Commission and the North AmericanReliability Company. Significant changes that are affecting theindustry are covered in this new edition, including: The expanded role of the federal government in the planning andoperation of the nation's electric utilities New energy laws and a large number of FERC regulationsimplementing these laws Concerns over global warming and potential impacts on theelectric industry Pressures for expansion of the electric grid and theimplementation of "smart-grid" technologies The growing importance of various energy-storage technologiesand renewable energy sources New nuclear generation technologies The 2009 economic stimulus package


Electric Power Systems

Author: Alexandra von Meier
Publisher: John Wiley & Sons
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A clear explanation of the technology for producing and delivering electricity Electric Power Systems explains and illustrates how the electric grid works in a clear, straightforward style that makes highly technical material accessible. It begins with a thorough discussion of the underlying physical concepts of electricity, circuits, and complex power that serves as a foundation for more advanced material. Readers are then introduced to the main components of electric power systems, including generators, motors and other appliances, and transmission and distribution equipment such as power lines, transformers, and circuit breakers. The author explains how a whole power system is managed and coordinated, analyzed mathematically, and kept stable and reliable. Recognizing the economic and environmental implications of electric energy production and public concern over disruptions of service, this book exposes the challenges of producing and delivering electricity to help inform public policy decisions. Its discussions of complex concepts such as reactive power balance, load flow, and stability analysis, for example, offer deep insight into the complexity of electric grid operation and demonstrate how and why physics constrains economics and politics. Although this survival guide includes mathematical equations and formulas, it discusses their meaning in plain English and does not assume any prior familiarity with particular notations or technical jargon. Additional features include: * A glossary of symbols, units, abbreviations, and acronyms * Illustrations that help readers visualize processes and better understand complex concepts * Detailed analysis of a case study, including a Web reference to the case, enabling readers to test the consequences of manipulating various parameters With its clear discussion of how electric grids work, Electric Power Systems is appropriate for a broad readership of professionals, undergraduate and graduate students, government agency managers, environmental advocates, and consumers.


Subsynchronous Resonance in Power Systems

Author: Paul M. Anderson
Publisher: John Wiley & Sons
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Mathematical calculations for subsynchronous system modeling Subsynchronous Resonance in Power Systems provides in-depth guidance toward the parameters, modeling, and analysis of this complex subclass of power systems. Emphasizing field testing to determine the data required, this book facilitates thorough and efficient oscillation and damping modeling using eigenvalues of a system's linear model. Expert discussion provides step-by-step instruction for generator, network, and turbine-generator shaft models, followed by detailed tutorials for model testing and analysis based on IEEE, CORPALS, and SSR eigenvalue analysis. Comprehensive in scope and practical in focus, this book is an invaluable resource for anyone working with frequencies below 60 Hz.


Digital Protection for Power Systems

Author: A. T. Johns
Publisher: IET
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This book is a long awaited comprehensive introduction to the protection of electrical power systems using computer-based methods (i.e. digital relays). The treatment is logically structured, taking the reader through the mathematics and principles underlying the development and implementation of the major algorithms underlying different protection techniques. They can be applied to protection of generator transformers, lines, switchgear and cable circuits: the main components of transmission and distribution systems. The book deals with the research and development activity in the field of digital protection during the last 15 years. The reader will become familiarised with the fast developing field of power system protection using computers and microcomputers. "This book provides a full introduction for senior undergraduates and graduates, and acts as a sound reference for engineers already practising in this area."


Restructured Electrical Power Systems

Author: Mohammad Shahidehpour
Publisher: CRC Press
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An examination of key issues in electric utilities restructuring. It covers: electric utility markets in and out of the USA; the Open Access Same-time Information System; tagging transactions; trading energy; hedging tools for managing risks in various markets; pricing volatility, risk and forecasting; regional transmission organization; and more. The text contains acronyms, a contract specifications sample, examples, and nearly 500 bibliographic citations, tables, and drawings.


Energy Storage for Power Systems

Author: Andrei Ter-Gazarian
Publisher: IET
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The supply of energy from primary sources is not constant and rarely matches the pattern of demand from consumers, and electricity itself is difficult to store in significant quantities. Secondary storage of energy is therefore required both for more efficient use of existing generation capacity and to allow more substantial use of renewable energy sources that tend to provide energy only intermittently. Lack of effective storage has often been cited as a major hurdle to substantial introduction of renewable energy sources into the electricity supply network. The author presents here a comprehensive guide to the different types of storage available. He not only shows how use of the various types of storage can benefit the management of a power supply system but extends this to consider more substantial possibilities that arise from integrating a combination of different storage devices into a system. His book will therefore be important to those seeking to develop environmentally sound energy resources.


Electric Power Systems

Author: Ned Mohan
Publisher: John Wiley & Sons
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Author Ned Mohan has been a leader in EES education and research for decades. His three-book series on Power Electronics focuses on three essential topics in the power sequence based on applications relevant to this age of sustainable energy such as wind turbines and hybrid electric vehicles. The three topics include power electronics, power systems and electric machines. Key features in the first Edition build on Mohan's successful MNPERE texts; his systems approach which puts dry technical detail in the context of applications; and substantial pedagogical support including PPT's, video clips, animations, clicker questions and a lab manual. It follows a top-down systems-level approach to power electronics to highlight interrelationships between these sub-fields. It's intended to cover fundamental and practical design. This book also follows a building-block approach to power electronics that allows an in-depth discussion of several important topics that are usually left. Topics are carefully sequenced to maintain continuity and interest.