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Voice over IP Networks: Quality of Service, Pricing and Security
by Ling Wang Pramode K. VermaThis book addresses three important issues in VoIP networks: Quality of Service, pricing and security. In addressing Quality of Service (QoS), it introduces the notion of delay not exceeding an upper limit, termed the bounded delay, to measure the Quality of Service in VoIP networks. Queuing models are introduced to measure performance in terms of bounded delays. Closed form solutions relating the impact of bounding delays on throughput of VoIP traffic are provided. Traffic that exceeds the delay threshold is treated as lost throughput. The results addressed can be used in scaling resources in a VoIP network for different thresholds of acceptable delays. Both single and multiple switching points are addressed. The same notion and analysis are also applied on jitter, another important indicator of the VoIP QoS This book also develops a pricing model based on the Quality of Service provided in VoIP networks. It presents the impact of quality of VoIP service demanded by the customer on the transmission resources required by the network using an analytical approach. In addition, it extends and applies the delay throughput analysis developed for VoIP networks in assessing the impact of risks constituted by a number of transportation channels, where the risk associated with each channel can be quantified by a known distribution. Finally, the book explores areas for future research that can be built on the foundation of research presented.
Voice over LTE: EPS and IMS Networks (Iste Ser.)
by André PérezVoice over LTE (Long Term Evolution) presents the mechanisms put in place in 4G mobile networks for the transportation of IP packets containing voice data and telephone signaling, as well as the technologies used to provide a telephone service in the IMS (IP Multimedia Sub-system) network. Despite the difficulty connected to the handover of the 4G network to the 2G/3G network, a telephone communication will not be established on the 4G network. This book analyzes the technologies that have been put in place, such as CSFB (Circuit Service FallBack), an interim solution that enables a mobile connected to the 4G network to receive an alert transmitted by the 2G/3G network. The book also goes on to develop the SIP (Session Information Protocol) on which the telephone signaling transferred by the 4G network is based, the IMS network that provides the service and defines the routing, the SRVCC (Single Radio Voice Call Continuity) mechanism that maintains communication and the TAS (Telephony Application Server) that supplies supplementary services. Contents 1. The EPS Network. 2. The LTE Interface. 3. The CSFB Function. 4. SIP and SDP Protocols. 5. The IMS Network. 6. Telephone Services. 7. The SRVCC Function. About the Authors André Perez is a consultant and teacher in networks and telecommunications. He works with industrialists and operators regarding architecture studies and leads training on the 4G and IMS networks for NEXCOM.
Voice over LTE (VoLTE)
by Juha Kallio Harri Holma Antti Toskala Miikka Poikselkä Jukka HongistoDescribes the technological solutions and standards which will enable the migration of voice and SMS services over to LTE/EPC networksMain drivers for the introduction of Long Term Evolution of UTRAN (LTE) is to provide far better end user experience for mobile broadband services. However, service providers also need to have a clear strategy of how to offer voice and messaging services for consumers and enterprises. The voice service over LTE is becoming increasingly important when the smartphone penetration is increasing rapidly. Smartphones require both good quality voice and high speed broadband data.This book provides the exhaustive view to industry-approved technologies and standards behind the Voice over LTE (VoLTE). Whether a decision maker or technology analyst, this book explains a topic of substantial global market interest. It provides a good introduction to the technology and is useful for operators who may be deploying VoLTE, product managers responsible for VoLTE products and those who work in implementation and standardization of related technologies.Provides a comprehensive overview of industry-approved technologies and standards, providing vital information for decision makers and those working on the technologyWritten by authors working at the cutting edge of mobile communications technology today, bringing a mix of standards and product background, guaranteeing in-depth practical and standards informationCovering the technical and practical elements of VoLTE, explaining the various approaches for providing voice services over LTE
Voices Against War: A Century of Protest
by Lyn SmithBased on nearly 200 personal testimonies from the Imperial War Museum's Collections, this landmark book tells the stories of those of those who participated in anti-war protest from the First World War 1914-18 to the ongoing conflicts in Iraq and Afghanistan.Voices Against War is a compelling, emotional and very moving human story, essential for understanding war in its entirety.
Voices from Chernobyl: The Oral History of a Nuclear Disaster
by Svetlana AlexievichOn April 26, 1986, the worst nuclear reactor accident in history occurred in Chernobyl and contaminated as much as three quarters of Europe. Although the Soviet government claims that only 31 people died as a result, the aftermath of the event is astounding. Over 485 villages are lost, and approximately 2.1 million people (including 700,000 children) live on contaminated land. There is no official record of how many thousands have died, but thousands of children have been born with catastrophic birth defects. Countless others suffer ongoing health problems resulting from their exposure to radiation. [Translated by Keith Gessen]<P><P> Svetlana Alexievich won the 2015 Novel Prize for Literature.
Voices from the Forest: Integrating Indigenous Knowledge into Sustainable Upland Farming
by Malcolm CairnsThis handbook of locally based agricultural practices brings together the best of science and farmer experimentation, vividly illustrating the enormous diversity of shifting cultivation systems as well as the power of human ingenuity. Environmentalists have tended to disparage shifting cultivation (sometimes called 'swidden cultivation' or 'slash-and-burn agriculture') as unsustainable due to its supposed role in deforestation and land degradation. However, a growing body of evidence indicates that such indigenous practices, as they have evolved over time, can be highly adaptive to land and ecology. In contrast, 'scientific' agricultural solutions imposed from outside can be far more damaging to the environment. Moreover, these external solutions often fail to recognize the extent to which an agricultural system supports a way of life along with a society's food needs. They do not recognize the degree to which the sustainability of a culture is intimately associated with the sustainability and continuity of its agricultural system. Unprecedented in ambition and scope, Voices from the Forest focuses on successful agricultural strategies of upland farmers. More than 100 scholars from 19 countries--including agricultural economists, ecologists, and anthropologists--collaborated in the analysis of different fallow management typologies, working in conjunction with hundreds of indigenous farmers of different cultures and a broad range of climates, crops, and soil conditions. By sharing this knowledge--and combining it with new scientific and technical advances--the authors hope to make indigenous practices and experience more widely accessible and better understood, not only by researchers and development practitioners, but by other communities of farmers around the world.
Voices of Innovation: Fulfilling the Promise of Information Technology in Healthcare (HIMSS Book Series)
by Edward W. MarxEveryone talks innovation and we can all point to random examples of innovation inside of healthcare information technology, but few repeatable processes exist that make innovation more routine than happenstance. How do you create and sustain a culture of innovation? What are the best practices you can refine and embed as part of your organization’s DNA? What are the potential outcomes for robust healthcare transformation when we get this innovation mystery solved? Through timely essays from leading experts, the first edition showcased the widely adopted healthcare innovation model from HIMSS and how providers could leverage to increase their velocity of digital transformation. Regardless of its promise, innovation has been slow in healthcare. The second edition takes the critical lessons learned from the first edition, expands and refreshes the content as a result of changes in the industry and the world. For example, the pandemic really shifted things. Now providers are more ready and interested to innovate. In the past year alone, significant disruptors (such as access to digital health) have entered the provider space threatening the existence of many hospitals and practices. This has served as a giant wake-up call that healthcare has shifted. And finally, there is more emphasis today than before on the concept of patient and clinician experience. Perhaps hastened by the pandemic, the race is on for innovations that will help address clinician burnout while better engaging patients and families. Loaded with numerous case studies and stories of successful innovation projects, this book helps the reader understand how to leverage innovation to help fulfill the promise of healthcare information technology in enabling superior business and clinical outcomes.
Voices Of The Soviet Space Program
by Slava GerovitchIn this remarkable oral history, Slava Gerovitch presents interviews with the men and women who witnessed Soviet space efforts firsthand. Rather than comprising a "master narrative," these fascinating and varied accounts bring to light the often divergent perspectives, experiences, and institutional cultures that defined the Soviet space program.
Voices on the Margins: Inclusive Education at the Intersection of Language, Literacy, and Technology
by Yenda Prado Mark WarschauerA rich view of inclusive education at the intersection of language, literacy, and technology—drawing on case study research in a diverse full-inclusion US school before, during, and after the COVID-19 pandemic.Despite advancing efforts at integration, the segregation of students with disabilities from their nondisabled peers persists. In the United States, 34 percent of all students with disabilities spend at least 20 percent of their instructional time in segregated classrooms. For students with intellectual or multiple disabilities, segregated placement soars to 80 percent. In Voices on the Margins, Yenda Prado and Mark Warschauer provide an ethnography of an extraordinary full-inclusion public charter school in the western United States—Future Visions Academy. And they ask: What does it mean to be inclusive in today&’s schools with their increasingly pervasive use of digital technologies?Voices on the Margins examines the ways digital technologies support inclusion and language and literacy practices for culturally and linguistically diverse children with and without disabilities. A wide range of qualitative data collected in the case study illuminates three central themes: (1) the kinds of social organization that allow a fully inclusive environment for children with disabilities to thrive, (2) the ways that digital technologies can be used to help students express their voice and agency, while developing language and literacy skills, and (3) the ways that digital technologies can be used to foster stronger networks and connections between students, teachers, staff, and parents.
Voicing Code in STEM: A Dialogical Imagination
by Pratim Sengupta Amanda Dickes Amy Voss FarrisAn exploration of coding that investigates the interplay between computational abstractions and the fundamentally interpretive nature of human experience.The importance of coding in K-12 classrooms has been taken up by both scholars and educators. Voicing Code in STEM offers a new way to think about coding in the classroom--one that goes beyond device-level engagement to consider the interplay between computational abstractions and the fundamentally interpretive nature of human experience. Building on Mikhail Bakhtin's notions of heterogeneity and heteroglossia, the authors explain how STEM coding can be understood as voicing computational utterances, rather than a technocentric framing of building computational artifacts. Empirical chapters illustrate this theoretical stance by investigating different framings of coding as voicing.
The Void Trilogy 3-Book Bundle: The Dreaming Void, The Temporal Void, The Evolutionary Void (Commonwealth: The Void Trilogy)
by Peter F. HamiltonPeter F. Hamilton's extraordinary far-future epics recall the golden age of science fiction, as practiced by Isaac Asimov and Robert Heinlein. Nowhere is that legacy more in evidence than in The Void Trilogy. Taking place twelve hundred years after the events of Hamilton's Commonwealth novels, The Dreaming Void, The Temporal Void, and The Evolutionary Void are Hamilton at his most ambitious and daringly imaginative--and now all three are together for the first time in this addictive eBook bundle. Contains an exhilarating preview of Peter F. Hamilton's highly anticipated novel, The Abyss Beyond Dreams, set in the same universe as The Void Trilogy. THE DREAMING VOID THE TEMPORAL VOID THE EVOLUTIONARY VOID The year is 3589. At the very heart of the galaxy is the Void, a self-contained microuniverse that cannot be stopped as it expands in all directions, consuming everything in its path. Even the oldest and most technologically advanced of the galaxy's sentient races, the Raiel, do not know its origin or its purpose. Then Inigo, an astrophysicist, begins having vivid dreams. Inside the Void, Inigo sees paradise. Thanks to the gaiafield, a neural entanglement wired into most humans, those dreams are shared by hundreds of millions--and a religion, the Living Dream, is born, with Inigo as its prophet. But then he vanishes. A new wave of dreams broadcast by an unknown Second Dreamer serves as the impetus for a massive Pilgrimage into the Void, which could trigger an accelerated devourment phase that will swallow up thousands of worlds. Thus begins a desperate race to find Inigo and avert catastrophe. Praise for The Void Trilogy The Dreaming Void "Peter F. Hamilton is the owner of the most powerful imagination in science fiction, author of immense, complex far-future sagas. The Dreaming Void is his best yet."--Ken Follett "A real spellbinder from a master storyteller . . . dozens of scenarios, a surprisingly well-delineated cast of thousands, plotting enough to delight the most Machiavellian of readers."--Kirkus Reviews (starred review) "Amazing storytelling . . . Hamilton is the clear heir to Heinlein in my view."--Marc Andreessen, founder, Netscape The Temporal Void "Fusing elements of hard SF with adventure fantasy tropes, Hamilton has singlehandedly raised the bar for grand-scale speculative storytelling."--Publishers Weekly "A great, sprawling, ripping yarn reminiscent of Golden Age Science Fiction."--SF Crowsnest "A gripping story, with the fates of two universes at stake."--SF Site The Evolutionary Void "Satisfying and powerful . . . Space Opera doesn't get much more epic than Peter F. Hamilton, something proven in spades in The Evolutionary Void."--SFFWorld "Spiced with plenty of action and intrigue."--San Jose Mercury News "The author's mastery of the art of the 'big story' earns him a place among the leading authors of dynastic SF."--Library Journal
VoIP and Unified Communications: Internet Telephony and the Future Voice Network
by William A. FlanaganTranslates technical jargon into practical business communications solutions This book takes readers from traditional voice, fax, video, and data services delivered via separate platforms to a single, unified platform delivering all of these services seamlessly via the Internet. With its clear, jargon-free explanations, the author enables all readers to better understand and assess the growing number of voice over Internet protocol (VoIP) and unified communications (UC) products and services that are available for businesses. VoIP and Unified Communications is based on the author's careful review and synthesis of more than 7,000 pages of published standards as well as a broad range of datasheets, websites, white papers, and webinars. It begins with an introduction to IP technology and then covers such topics as: Packet transmission and switching VoIP signaling and call processing How VoIP and UC are defining the future Interconnections with global services Network management for VoIP and UC This book features a complete chapter dedicated to cost analyses and payback calculations, enabling readers to accurately determine the short- and long-term financial impact of migrating to various VoIP and UC products and services. There's also a chapter detailing major IP systems hardware and software. Throughout the book, diagrams illustrate how various VoIP and UC components and systems work. In addition, the author highlights potential problems and threats to UC services, steering readers away from common pitfalls. Concise and to the point, this text enables readers—from novices to experienced engineers and technical managers—to understand how VoIP and UC really work so that everyone can confidently deal with network engineers, data center gurus, and top management.
VoIP Emergency Calling
by Richard Barnes Karl Heinz WolfThis book provides a comprehensive view of the emerging standards for VoIP emergency calling from an International perspectiveIn this book, the authors provide a treatment of the VoIP emergency calling process that is both comprehensive, looking at all aspects of emergency calling, and practical, providing technical details on how such functions can be implemented. In addition, the authors describe the standardization efforts of the Internet Engineering Task Force who are currently working to improve the situation for VoIP emergency calls. The book provides an overview of emergency calling with a particular focus on the ECRIT emergency calling architecture, and discusses considerations related to implementation, deployment, and regulation of next-generation emergency calling. It also takes a look at practical aspects of emergency calling, with a set of exercises to help the reader get familiar with the technologies involved.Key Features:Comprehensive view of emerging standards for VoIP emergency calling from an international perspectivePractical guides for implementing the core of the emergency calling architectureArchitectural, practical, and regulatory perspectivesWritten by experts working on the development of emergency calling architectures and its implementationIncludes an accompanying website with open-source software packages (http://www.voip-sos.net/)This book will be an invaluable resource for product managers and developers, equipment vendors, network operators, emergency service providers, and telecommunications regulators. Industry professionals interested in standards compliance will also find this book of interest.
VoIP For Dummies
by Timothy V. KellyPut your phone system on your computer network and see the savingsSee how to get started with VoIP, how it works, and why it saves you moneyVoIP is techspeak for "voice over Internet protocol," but it could spell "saving big bucks" for your business! Here's where to get the scoop in plain English. Find out how VoIP can save you money, how voice communication travels online, and how to choose the best way to integrate your phone system with your network at home or at the office.Discover how to:Use VoIP for your business or home phone serviceChoose the best network typeSet up VoIP on a wireless networkUnderstand transports and servicesDemonstrate VoIP's advantages to management
VoIP Hacks
by Theodore WallingfordVoice over Internet Protocol (VoIP) is gaining a lot of attention these days, as more companies and individuals switch from standard telephone service to phone service via the Internet. The reason is simple: A single network to carry voice and data is easier to scale, maintain, and administer. As an added bonus, it's also cheaper, because VoIP is free of the endless government regulations and tariffs imposed upon phone companies. VoIP is simply overflowing with hack potential, and VoIP Hacks is the practical guide from O'Reilly that presents these possibilities to you. It provides dozens of hands-on projects for building a VoIP network, showing you how to tweak and customize a multitude of exciting things to get the job done. Along the way, you'll also learn which standards and practices work best for your particular environment. Among the quick and clever solutions showcased in the book are those for: gauging VoIP readiness on an enterprise network using SIP, H.323, and other signaling specifications providing low-layer security in a VoIP environment employing IP hardphones, analog telephone adapters, and softPBX servers dealing with and avoiding the most common VoIP deployment mistakes In reality, VoIP Hacks contains only a small subset of VoIP knowledge-enough to serve as an introduction to the world of VoIP and teach you how to use it to save money, be more productive, or just impress your friends. If you love to tinker and optimize, this is the one technology, and the one book, you must investigate.
VoIP Handbook: Applications, Technologies, Reliability, and Security
by Syed A. Ahson Mohammad IlyasThe number of worldwide VoIP customers is well over 38 million. Thanks to the popularity of inexpensive, high-quality services, it's projected to increase to nearly 250 million within the next three years. The VoIP Handbook: Applications, Technologies, Reliability, and Security captures the state of the art in VoIP technology and serves as the comprehensive reference on this soon-to-be ubiquitous technology. It provides: A step-by-step methodology to evaluate VoIP performance prior to network implementation An invaluable overview of implementation challenges and several VoIP multipoint conference systems Unparalleled coverage of design and engineering issues such VoIP traffic, QoS requirements, and VoIP flow As this promising technology’s popularity increases, new demands for improved quality, reduced cost, and seamless operation will continue to increase. Edited by preeminent wireless communications experts Ahson and Illyas, the VoIP Handbook guides you to successful deployment.
VoIP Technology: Applications and Challenges (Springer Series in Wireless Technology)
by Tamal Chakraborty Iti Saha Misra Ramjee PrasadThis book offers an accessible introduction and practical guide to Voice over Internet Protocol (VoIP) technology, providing readers with the know-how to solve the problems encountered in applying VoIP technology across all types of network. It incorporates the latest research findings and brings readers up to date with the challenges that are faced by researchers developing novel applications of VoIP.The authors discuss the general architecture of VoIP technology, along with its application and relevance in conventional and emerging wireless communication networks, including Wireless Local Area Networks (WLANs), Worldwide Interoperability for Microwave Access (WiMAX), Long Term Evolution (LTE) and Cognitive Radio Networks. The book also includes Quality of service (QoS) studies under dynamic and unpredictable network conditions, which examine the reliability of both legacy systems And the upcoming pervasive computing systems. Further, it explains how the heuristic-based learning algorithms that are used in VoIP communications may help develop today’s technology in the area of autonomous systems.This book is a valuable source of information for academics and researchers, as it provides state-of-theart research in VoIP technology. It is also of interest to network designers, application architects, and service providers looking for a coherent understanding of VoIP across a wide range of devices, network applications and user categories.
Volatile Compounds Formation in Specialty Beverages (Food Biotechnology and Engineering)
by Felipe Richter Reis Caroline Mongruel Eleutério dos SantosBeverages are a convenient and versatile product that may either serve to fulfill consumers’ needs for hydration or as a pleasant liquor. Among the sensory attributes of beverages that drive consumer acceptability is aroma, directly influenced by the quantity and type of volatile compounds contained inside them. Volatile Compounds Formation in Specialty Beverages contains remarkable information about volatile compounds of specialty beverages, addressing aspects involved from production processes to biochemical pathways. Divided in two sections, this book answers such key-questions as like how different classes of volatile compounds affect the specialty beverage sensory profile; furthermore, the section on distilled beverages brings supplies information on the contribution of maturation to the beverage volatile profile. Key Features: Provides information on the contribution of each class of volatile compounds to the beverages’ aroma Describes the biochemical pathways involved in the volatile compounds generation Covers both traditional and exotic, fermented, and distilled beverages Shows how the production process affects the volatile compounds formation Organized by experienced editors and written by authors from around the world, this book describes the most important aspects of volatile compounds formation in traditional beverages like whisky and sparkling wine, as well as in exotic beverages like cachaça and kombucha. It is a unique source for food scientists, chemists, chemical engineers and other professionals interested in learning about volatile compounds formation in fermented and distilled beverages.
Volatile Compounds in Foods and Beverages (Food Science And Technology Ser. #44)
by Henk MaarseCollects the information available in the literature on volatile compounds in foods and beverages. This information is given in 17 chapters, each dealing with a specific product or product group. Only compounds that are major constituents and/or contribute significantly to the flavor of the relevant
Volcanic Rocks and Soils
by Tatiana Rotonda, Manuela Cecconi, Francesco Silvestri and Paolo TommasiVolcanic rocks and soils show a peculiar mechanical behaviour at both laboratory and in-situ scale due to their typical structural characters. Volcanic rocks and soils contains keynote lectures and papers from the International Workshop held in Ischia (Italy), 24-25 September 2015. The book deals with recent developments and advancements, as well as case histories, in the geotechnical characterization and engineering applications related to volcanic formations. It covers a variety of themes, including: • Geotechnical characterization under both static and cyclic/dynamic loading conditions, with special regard to structural properties at different scales (microstructural features; field and laboratory characterization; construction materials); • Geotechnical aspects of natural hazards (slope stability; seismic risk); • Geotechnical problems of engineering structures (foundations; embankments; excavations and tunnels). Volcanic Rocks and Soils is of interest to scientists and practitioners in the fields of rock and soil mechanics, geotechnical engineering, engineering geology and geology.
Volcano-Tectonic Processes (Advances in Volcanology)
by Valerio AcocellaVolcanoes have terrified and, at the same time, fascinated civilizations for thousands of years. Many aspects of volcanoes, most notably the eruptive processes and the compositional variations of magma, have been widely investigated for several decades and today constitute the core of any volcanology textbook. Nevertheless, in the last two decades, boosted by the availability of volcano monitoring data, there has been an increasing interest in the pre-eruptive processes related to the shallow accumulation and to the transfer of magma approaching the surface, as well as in the resulting structure of volcanoes. These are innovative and essential aspects of modern volcanology and, as driving volcanic unrest, their understanding also improves hazard assessment and eruption forecasting. So far, the significant progress made in unravelling these volcano-tectonic processes has not been supported by a comprehensive overview.This monograph aims at filling this gap, describing the pre-eruptive processes related to the structure, deformation and tectonics of volcanoes, at the local and regional scale, in any tectonic setting. The monograph is organized into three sections (“Fundamentals”, “Magma migration towards the surface” and “The regional perspective”), consisting of thirteen chapters that are lavishly illustrated. The reader is accompanied in a journey within the volcano factory, discovering the processes associated with the shallow accumulation of magma and its transfer towards the surface, how these control the structure of volcanoes and their activity and, ultimately, improve our ability to estimate hazard and forecast eruption.The potential readership includes any academic, researcher and upper undergraduate student interested in volcanology, magma intrusions, structural geology, tectonics, geodesy, as well as geology and geophysics in general.
Volt Rush: The Winners and Losers in the Race to Go Green
by Henry Sanderson'A remarkably hopeful and useful book...The climate crisis leaves us no choice but to build a new world and as Sanderson makes clear, we are capable of making it a better one than the dirty and dangerous planet we&’ve come to take for granted.' Bill McKibben, Observer book of the week We depend on a handful of metals and rare earths to power our phones and computers. Increasingly, we rely on them to power our cars and our homes. Whoever controls these finite commodities will become rich beyond imagining. Sanderson journeys to meet the characters, companies, and nations scrambling for the new resources, linking remote mines in the Congo and Chile&’s Atacama Desert to giant Chinese battery factories, shadowy commodity traders, secretive billionaires, a new generation of scientists attempting to solve the dilemma of a &‘greener&’ world.
Voltage Control and Protection in Electrical Power Systems
by Sandro CorsiBased on the author's twenty years of experience, this book shows the practicality of modern, conceptually new, wide area voltage control in transmission and distribution smart grids, in detail. Evidence is given of the great advantages of this approach, as well as what can be gained by new control functionalities which modern technologies now available can provide. The distinction between solutions of wide area voltage regulation (V-WAR) and wide area voltage protection (V-WAP) are presented, demonstrating the proper synergy between them when they operate on the same power system as well as the simplicity and effectiveness of the protection solution in this case. The author provides an overview and detailed descriptions of voltage controls, distinguishing between generalities of underdeveloped, on-field operating applications and modern and available automatic control solutions, which are as yet not sufficiently known or perceived for what they are: practical, high-performance and reliable solutions. At the end of this thorough and complex preliminary analysis the reader sees the true benefits and limitations of more traditional voltage control solutions, and gains an understanding and appreciation of the innovative grid voltage control and protection solutions here proposed; solutions aimed at improving the security, efficiency and quality of electrical power system operation around the globe. Voltage Control and Protection in Electrical Power Systems: from System Components to Wide Area Control will help to show engineers working in electrical power companies and system operators the significant advantages of new control solutions and will also interest academic control researchers studying ways of increasing power system stability and efficiency.
Voltage Regulators for Next Generation Microprocessors
by Toni López Reinhold Elferich Eduard AlarcónThis book deals with energy delivery challenges of the power processing unit of modern computer microprocessors. It describes in detail the consequences of current trends in miniaturization and clock frequency increase, upon the power delivery unit, referred to as voltage regulator. This is an invaluable reference for anybody needing to understand the key performance limitations and opportunities for improvement, from both a circuit and systems perspective, of state-of-the-art power solutions for next generation CPUs.
Voltage Stability Analysis of Power System (Power Systems)
by Yong TangThis book describes comprehensively theories and methods of the power system voltage stability. It first introduces the basic theory of the power system and the basic concept and classification of the power system stability and discusses the basic concepts of voltage stability, including the mechanism of voltage stability, and influencing factors of transient and medium-term and long-term voltage stability. This book also describes the elemental characteristics and models of important power system in voltage stability analysis and discusses the theories and methods of analysis on steady, transient and medium-term and long-term voltage stability analysis, respectively. Then, this book introduces the measures to improve the voltage stability. Finally, two examples of voltage stability analysis in engineering applications are introduced. This book is useful as a reference for engineers and technicians who are engaged in dispatching operation, planning, design and scientific research of the power system, and teachers and students of electrical engineering major in colleges and universities.