Author:
Publisher:
ISBN:
Category : Switching theory
Languages : en
Pages : 1388

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Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 236

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Author:
Publisher:
ISBN:
Category : Switching theory
Languages : en
Pages :

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Author:
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ISBN:
Category : Computer architecture
Languages : en
Pages : 930

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Author: Daniel P. Siewiorek
Publisher: CRC Press
ISBN: 1439863962
Category : Computers
Languages : en
Pages : 908

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Book Description
This classic reference work is a comprehensive guide to the design, evaluation, and use of reliable computer systems. It includes case studies of reliable systems from manufacturers, such as Tandem, Stratus, IBM, and Digital. It covers special systems such as the Galileo Orbiter fault protection system and AT&T telephone switching system processors

Author: John C. McDonald
Publisher: Springer Science & Business Media
ISBN: 1468498800
Category : Technology & Engineering
Languages : en
Pages : 503

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Book Description
Since the publication of the first edition of Fundamentals of Digital Switching in 1983, there has been substantial improvement in digital switching technology and in digital networks. Packet switching has advanced from a low-speed data-oriented switching approach into a robust broadband technology which supports services ranging from low-speed data to video. This technology has eclipsed the flexibility of circuit switching. Fiber optic cable has advanced since the first edition and has substantially changed the technology of transmission. to research in optical devices to find a still better means of This success has led switching. Digital switching systems continue to benefit from the 100-fold improvement in the capabilities of semiconductor devices which has occurred during the past decade. The chip industry forecasts a similar escalation in complexity during the next 10 years. Networks of switching systems have changed due to regulatory policy reform in many nations, including the breakup of the Bell System in the United States, the introduction of new types of carriers in Japan, competition in the United Kingdom, and a reexamination of public policy in virtually all nations. Standards bodies have been productive in specifying new capabilities for future networks involving interactive and distributive services through STM and A TM technologies.

Author: John Haiman
Publisher: John Benjamins Publishing
ISBN: 9027228663
Category : Language Arts & Disciplines
Languages : en
Pages : 359

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Canonical switch-reference is an inflectional category of the verb, which indicates whether or not its subject is identical with the subject of some other verb. Switch-reference may be analyzed from a structural or a functional point of view. Functionally, switch-reference is a device for referential tracking. Formally, switch-reference is almost always a verbal category, similar to the familiar category of verbal concord. In most languages switch-reference marking is indicated by a verbal affix, however in some languages it may be marked by an independent morpheme. The contributions to this volume are concerned with questions of form, function, and genesis of canonical switch-reference systems.

Author:
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ISBN:
Category :
Languages : en
Pages : 1000

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Author:
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Category : Telecommunication
Languages : en
Pages : 546

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Author: Paul G. Slade
Publisher: CRC Press
ISBN: 100017008X
Category : Technology & Engineering
Languages : en
Pages : 699

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Book Description
Title: The Vacuum Interrupter: Theory, Design, and Application Shelving guide: Electrical Engineering Dr. Paul Slade draws from his nearly six decades of active experience to develop this second edition of The Vacuum Interrupter: Theory, Design, and Application. This book begins by discussing the design requirements for high voltage vacuum interrupters and then the contact requirements to interrupt the vacuum arc. It then continues by describing the various applications in which the vacuum interrupter is generally utilized. Part 1 of this book begins with a detailed review of the vacuum breakdown process. It continues by covering the steps necessary for the design and the manufacture of a successful vacuum interrupter. The vacuum arc is then discussed, including how it is affected as a function of current. An overview of the development and use of practical contact materials, along with their advantages and disadvantages, follows. Contact designs that are introduced to control the high current vacuum arc are also analyzed. Part 2, on application, begins with a discussion of the arc interruption process for low current and high current vacuum arcs. It examines the voltage escalation phenomenon that can occur when interrupting inductive circuits. The occurrence of contact welding for closed contacts subjected to the passage of high currents, and for contacts when closing on high currents, is explored. The general requirements for the successful manufacture and testing of vacuum circuit breakers is then presented. The general application of vacuum interrupters to switch load currents, especially when applied to capacitor circuits, is also given. The interruption of high short circuit currents is presented along with the expected performance of the two major contact designs. Owing to the ever-increasing need for environmentally friendly circuit protection devices, the development and application of the vacuum interrupter will only increase in the future. At present the vacuum circuit breaker is the technology of choice for distribution circuits (5kV to 40.5kV). It is increasingly being applied to transmission circuits (72.5kV to 242kV). In the future, its application for protecting high voltage DC networks is assured. Audience This is a practical source book for engineers and scientists interested in studying the development and application of the vacuum interrupter Research scientists in industry and universities Graduate students beginning their study of vacuum interrupter phenomena Design engineers applying vacuum interrupters in vacuum switches, vacuum contactors, vacuum circuit breakers, and vacuum contactors It provides a unique and comprehensive review of all aspects of vacuum interrupter technology for those new to the subject and for those who wish to obtain a deeper understanding of its science and application Scientists and engineers, who are beginning their research into vacuum breakdown and aspects of the vacuum arc, will find the extensive bibliography and phenomenological descriptions to be a useful introduction