Electrical Transients in Power Systems

Electrical Transients in Power Systems
Author: Allan Greenwood
Publisher: Wiley-Interscience
Total Pages: 778
Release: 1991-04-18
Genre: Technology & Engineering
ISBN:

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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.

Power System Transients

Power System Transients
Author: Akihiro Ametani
Publisher: CRC Press
Total Pages: 540
Release: 2016-11-18
Genre: Technology & Engineering
ISBN: 1315349434

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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.

Power System Transients

Power System Transients
Author: Juan A. Martinez-Velasco
Publisher: CRC Press
Total Pages: 800
Release: 2017-12-19
Genre: Technology & Engineering
ISBN: 1351834878

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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.

Transients of Modern Power Electronics

Transients of Modern Power Electronics
Author: Hua Bai
Publisher: John Wiley & Sons
Total Pages: 374
Release: 2011-07-05
Genre: Technology & Engineering
ISBN: 1119972760

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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.

Transient

Transient
Author: Zachry Wheeler
Publisher: Mayhematic Press
Total Pages: 160
Release: 2016-11-08
Genre: Fiction
ISBN: 0998204900

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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

Hydraulic Transients and Computations

Hydraulic Transients and Computations
Author: Zh. Zhang
Publisher: Springer Nature
Total Pages: 322
Release: 2020-02-06
Genre: Technology & Engineering
ISBN: 3030402339

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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.

Transient Analysis of Power Systems

Transient Analysis of Power Systems
Author: Juan A. Martinez-Velasco
Publisher: John Wiley & Sons
Total Pages: 661
Release: 2014-11-26
Genre: Technology & Engineering
ISBN: 1118694171

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The simulation of electromagnetic transients is a mature field that plays an important role in the design of modern power systems. Since the first steps in this field to date, a significant effort has been dedicated to the development of new techniques and more powerful software tools. Sophisticated models, complex solution techniques and powerful simulation tools have been developed to perform studies that are of supreme importance in the design of modern power systems. The first developments of transients tools were mostly aimed at calculating over-voltages. Presently, these tools are applied to a myriad of studies (e.g. FACTS and Custom Power applications, protective relay performance, simulation of smart grids) for which detailed models and fast solution methods can be of paramount importance. This book provides a basic understanding of the main aspects to be considered when performing electromagnetic transients studies, detailing the main applications of present electromagnetic transients (EMT) tools, and discusses new developments for enhanced simulation capability. Key features: Provides up-to-date information on solution techniques and software capabilities for simulation of electromagnetic transients. Covers key aspects that can expand the capabilities of a transient software tool (e.g. interfacing techniques) or speed up transients simulation (e.g. dynamic model averaging). Applies EMT-type tools to a wide spectrum of studies that range from fast electromagnetic transients to slow electromechanical transients, including power electronic applications, distributed energy resources and protection systems. Illustrates the application of EMT tools to the analysis and simulation of smart grids.

Power System Grounding and Transients

Power System Grounding and Transients
Author: A.P. Sakis Meliopoulis
Publisher: Routledge
Total Pages: 472
Release: 2017-11-22
Genre: Technology & Engineering
ISBN: 1351423118

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""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.

Power Systems Electromagnetic Transients Simulation

Power Systems Electromagnetic Transients Simulation
Author: Neville Watson
Publisher: IET
Total Pages: 449
Release: 2003
Genre: Science
ISBN: 0852961065

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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.