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Author: Allan Greenwood Publisher: Wiley-Interscience ISBN: Category : Technology & Engineering Languages : en Pages : 778
Book Description
The principles of the First Edition--to teach students and engineers the fundamentals of electrical transients and equip them with the skills to recognize and solve transient problems in power networks and components--also guide this Second Edition. While the text continues to stress the physical aspects of the phenomena involved in these problems, it also broadens and updates the computational treatment of transients. Necessarily, two new chapters address the subject of modeling and models for most types of equipment are discussed. The adequacy of the models, their validation and the relationship between model and the physical entity it represents are also examined. There are now chapters devoted entirely to isolation coordination and protection, reflecting the revolution that metal oxide surge arresters have caused in the power industry. Features additional and more complete illustrative material--figures, diagrams and worked examples. An entirely new chapter of case studies demonstrates modeling and computational techniques as they have been applied by engineers to specific problems.
Author: Allan Greenwood Publisher: Wiley-Interscience ISBN: Category : Technology & Engineering Languages : en Pages : 778
Book Description
The principles of the First Edition--to teach students and engineers the fundamentals of electrical transients and equip them with the skills to recognize and solve transient problems in power networks and components--also guide this Second Edition. While the text continues to stress the physical aspects of the phenomena involved in these problems, it also broadens and updates the computational treatment of transients. Necessarily, two new chapters address the subject of modeling and models for most types of equipment are discussed. The adequacy of the models, their validation and the relationship between model and the physical entity it represents are also examined. There are now chapters devoted entirely to isolation coordination and protection, reflecting the revolution that metal oxide surge arresters have caused in the power industry. Features additional and more complete illustrative material--figures, diagrams and worked examples. An entirely new chapter of case studies demonstrates modeling and computational techniques as they have been applied by engineers to specific problems.
Author: Akihiro Ametani Publisher: CRC Press ISBN: 1315349434 Category : Technology & Engineering Languages : en Pages : 540
Book Description
This new edition covers a wide area from transients in power systems—including the basic theory, analytical calculations, EMTP simulations, computations by numerical electromagnetic analysis methods, and field test results—to electromagnetic disturbances in the field on EMC and control engineering. Not only does it show how a transient on a single-phase line can be explained from a physical viewpoint, but it then explains how it can be solved analytically by an electric circuit theory. Approximate formulas, which can be calculated by a pocket calculator, are presented so that a transient can be analytically evaluated by a simple hand calculation. Since a real power line is three-phase, this book includes a theory that deals with a multi-phase line for practical application. In addition, methods for tackling a real transient in a power system are introduced. This new edition contains three completely revised and updated chapters, as well as two new chapters on grounding and numerical methods.
Author: Zh. Zhang Publisher: Springer Nature ISBN: 3030402339 Category : Technology & Engineering Languages : en Pages : 322
Book Description
This book describes the fundamental phenomena of, and computational methods for, hydraulic transients, such as the self-stabilization effect, restriction of the Joukowsky equation, real relations between the rigid and elastic water column theories, the role of wave propagation speed, mechanism of the attenuation of pressure fluctuations, etc. A new wave tracking method is described in great detail and, supported by the established conservation and traveling laws of shockwaves, offers a number of advantages. The book puts forward a novel method that allows transient flows to be directly computed at each time node during a transient process, and explains the differences and relations between the rigid and elastic water column theories. To facilitate their use in hydropower applications, the characteristics of pumps and turbines are provided in suitable forms and examples. The book offers a valuable reference guide for engineers and scientists, helping them make transient computations for their own programming, while also contributing to the final standardization of methods for transient computations.
Author: Juan A. Martinez-Velasco Publisher: CRC Press ISBN: 1351834878 Category : Technology & Engineering Languages : en Pages : 800
Book Description
Despite the powerful numerical techniques and graphical user interfaces available in present software tools for power system transients, a lack of reliable tests and conversion procedures generally makes determination of parameters the most challenging part of creating a model. Illustrates Parameter Determination for Real-World Applications Geared toward both students and professionals with at least some basic knowledge of electromagnetic transient analysis, Power System Transients: Parameter Determination summarizes current procedures and techniques for the determination of transient parameters for six basic power components: overhead line, insulated cable, transformer, synchronous machine, surge arrester, and circuit breaker. An expansion on papers published in the IEEE Transactions on Power Delivery, this text helps those using transient simulation tools (e.g., EMTP-like tools) to select the optimal determination method for their particular model, and it addresses commonly encountered problems, including: Lack of information Testing setups and measurements that are not recognized in international standards Insufficient studies to validate models, mainly those used in high-frequency transients Current built-in models that do not cover all requirements Illustrated with case studies, this book provides modeling guidelines for the selection of adequate representations for main components. It discusses how to collect the information needed to obtain model parameters and also reviews procedures for deriving them. Appendices summarize updated techniques for identifying linear systems from frequency responses and review capabilities and limitations of simulation tools. Emphasizing standards, this book is a clear and concise presentation of key aspects in creating an adequate and reliable transient model.
Author: Hua Bai Publisher: John Wiley & Sons ISBN: 1119972760 Category : Technology & Engineering Languages : en Pages : 374
Book Description
In high power, high voltage electronics systems, a strategy to manage short timescale energy imbalances is fundamental to the system reliability. Without a theoretical framework, harmful local convergence of energy can affect the dynamic process of transformation, transmission, and storage which create an unreliable system. With an original approach that encourages understanding of both macroscopic and microscopic factors, the authors offer a solution. They demonstrate the essential theory and methodology for the design, modeling and prototyping of modern power electronics converters to create highly effective systems. Current applications such as renewable energy systems and hybrid electric vehicles are discussed in detail by the authors. Key features: offers a logical guide that is widely applicable to power electronics across power supplies, renewable energy systems, and many other areas analyses the short-scale (nano-micro second) transient phenomena and the transient processes in nearly all major timescales, from device switching processes at the nanoscale level, to thermal and mechanical processes at second level explores transient causes and shows how to correct them by changing the control algorithm or peripheral circuit includes two case studies on power electronics in hybrid electric vehicles and renewable energy systems Practitioners in major power electronic companies will benefit from this reference, especially design engineers aiming for optimal system performance. It will also be of value to faculty staff and graduate students specializing in power electronics within academia.
Author: M. Hanif Chaudhry Publisher: Springer Science & Business Media ISBN: 146148538X Category : Technology & Engineering Languages : en Pages : 593
Book Description
Applied Hydraulic Transients, 3rd Edition covers hydraulic transients in a comprehensive and systematic manner from introduction to advanced level and presents various methods of analysis for computer solution. The book is suitable as a textbook for senior-level undergraduate and graduate students as well as a reference for practicing engineers and researchers. The field of application of the book is very broad and diverse and covers areas such as hydroelectric projects, pumped storage schemes, water-supply systems, cooling-water systems, oil pipelines and industrial piping systems. A strong emphasis is given to practical applications: several case studies, problems of applied nature, and design criteria are included. This will help the design engineers and introduce the students to real-life projects. Up-to-date references are included at the end of each chapter.
Author: Zachry Wheeler Publisher: Mayhematic Press ISBN: 0998204900 Category : Fiction Languages : en Pages : 160
Book Description
In a dark and distant future, death is obsolete. Jonas is a transient: a human spy living as an eternal. His mission is simple: always learn, never get caught. In the year 2578, an immortal regime controls the planet. Endless war has pushed humanity to the brink of extinction. Desperate to survive, the remaining factions deploy teenage spies, hoping to defeat the enemy from within. After years in the lion's den, Jonas has grown to admire the eternal civilization. He is learning to love what he blindly hated, blurring the mission and himself. But a reckoning is coming. The fates of billions hang in the balance. When the axe falls, Jonas must choose between his family and his species. Transient is a Readers' Favorite® 5-Star Selection and a B.R.A.G. Medallion Honoree "An exceptionally well-written, thought-provoking novel that ultimately carries a humanist message, contrasting feigned morality with perceived evil." —Lex Allen, Readers' Favorite "The world-building that author Zachry Wheeler does in Transient is simply amazing. I thoroughly enjoyed this book and highly recommend it." —Geoff Habiger, Readers' Favorite "An exciting read from the beginning." —Tanja Jurkovic, Readers' Favorite "With its Kafkaesque rendering of humanity's backstory against the vampire-like eternals, the story has intrigue and drama focusing on a young spy's personal dilemma." —Lit Amri, Readers' Favorite "There is much to like, and much to admire, about Zachry Wheeler's ingeniously unique and nimble interpretation of the rather widely exploited vampire genre in his instantly engaging novel, Transient." —Joel R. Dennstedt, Readers' Favorite
Author: A.P. Sakis Meliopoulis Publisher: Routledge ISBN: 1351423118 Category : Technology & Engineering Languages : en Pages : 472
Book Description
""This authoritative work presents detailed coverage of modern modeling and analysis techniques used in the design of electric power transmission systems -- emphasizing grounding and transients. It provides the theoretical background necessary for understanding problems related to grounding systems, such as safety and protection.
Author: Stacey Pigg Publisher: Wac Clearinghouse University Press of Colorado ISBN: 9781642151015 Category : Education Languages : en Pages : 188
Book Description
"Networked mobile technologies (laptops, phones, tablets) complicate environments where they are used. These devices' capacity for movement and exchange opens the door to new resources, social arrangements, and cognitive challenges for users. This book focuses on the impact of these devices on writing by exploring transient literacies, or writers' everyday practices of spatial analysis and positioning that locate mobile composing and integrate materials across screens and physical spaces. Drawing on qualitative fieldwork, the book traces how 22 writers across an independent coffee shop and campus social commons navigate their social and spatial environments while writing texts that range from academic to personal to professional. The book argues that many mobile composers position places outside their homes and offices as a commons that provides access to materials. Composers in these spaces work in complicated atmospheres of ambient sociability, in which they navigate multiple social channels simultaneously. They also continually produce new models of attention as an outcome of interacting with people and technologies while writing. Based on this conception of writing as phenomenologically experienced in participation with materials, the book concludes by envisioning composing learning as a process of continually adjusting embodied practices based on new encounters with materials"--
Author: Neville Watson Publisher: IET ISBN: 0852961065 Category : Science Languages : en Pages : 449
Book Description
Electromagnetic transients simulation (EMTS) has become a universal tool for the analysis of power system electromagnetic transients in the range of nanoseconds to seconds. This book provides a thorough review of EMTS and many simple examples are included to clarify difficult concepts. This book will be of particular value to advanced engineering students and practising power systems engineers.