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Abc Of The Telephone Volume 14 Power Line Interference Problems And Solutions
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Book Synopsis Power Line Interference; Problems and Solutions by : Russ Gundrum
Download or read book Power Line Interference; Problems and Solutions written by Russ Gundrum and published by Russ Gundrum. This book was released on 1982 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: In less than 100 years, the power and telecommunications industries have become highly technological and competent in servicing the growing electrical power and communication needs of a complex, modern society. This tremendous advancement has not been without problems of mutual compatibility, however. In the early days of power and telecommunication transmission, fundamental incompatibilities existed between the two systems since both used the earth as a ground return conductor. As the length of both systems' lines grew and the number of subscribers increased, the inductive interference problems became more severe. Further expansion of both industries was seriously threatened when it became necessary to refer these problems to the courts and commissions for resolution, such as California's General Order 52 issued in 1912. As a consequence, representatives from both industries joined in cooperative efforts to study and resolve the main causes of incompatibility. This joint effort, primarily between the Edison Electric Institute and the Bell System, resulted in over fifty engineering reports during the 1920's and 30's. This cooperation resulted in numerous advances and innovations, with the primary development being paired conductors enclosed in metallic shielded cables for telecommunications transmission. Developments such as drainage reactors, longitudinal chokes, neutralizing transformers and isolation transformers also occurred and were applied to open wire lines to suppress power line interference. The above practices and procedures were usually adequate in solving most electromagnetic and electrostatic induced voltage and current problems. However, in the 1960's and 70's certain design features and trends in the environment occurred that presented new and challenging problems in the area of incompatibility. As a result, the Institute of Electrical and Electronic Engineers (IEEE) formed the Inductive Coordination and Electrical Protection (ICEP) Committee to provide effective execution of the following considerations: 1) Design of systems to minimize inductive interference and susceptibility. 2) Adopt standards and guidelines relating to interference. 3) Establish a continuing dialog between interested parties to provide a medium for exchanging information in the advanced planning stages of new facilities. In the meantime, some manufacturers have responded to the industry's need for equipment similar to that used in the open wire days, but better designed and more economical for cable applications. Information on these devices is provided in the later chapters of this manual.
Book Synopsis abc of the Telephone Volume 14 Power Line Interference Problems and Solutions by :
Download or read book abc of the Telephone Volume 14 Power Line Interference Problems and Solutions written by and published by Russ Gundrum. This book was released on with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Public Utilities written by Anne C. Roess and published by . This book was released on 1991 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this introduction to the literature of the public utilities, Roess covers publications that deal with public utilities in general, and the more specific publications that deal with the unique features of each utility industry: electric power, natural gas, water, and telephone. Bibliographic guides, glossaries and dictionaries, abstracting and indexing services, databases, regulatory reporting services, texts and monographs, periodicals, and other publications are listed, such as conference proceedings and standards. This literature guide is directed to those interested in the public utility industries, whether they are general readers or researchers. It shows the vastness of the literature and points the user to the more important information sources, as well as to organizations to contact for further information.
Book Synopsis History of Technology Volume 28 by : Ian Inkster
Download or read book History of Technology Volume 28 written by Ian Inkster and published by A&C Black. This book was released on 2009-05-31 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technical standards have received increasing attention in recent years from historians of science and technology, management theorists and economists. Often, inquiry focuses on the emergence of stability, technical closure and culturally uniform modernity. Yet current literature also emphasizes the durability of localism, heterogeneity and user choice. This collection investigates the apparent tension between these trends using case studies from across the nineteenth and twentieth centuries. The History of Technology addresses tensions between material standards and process standards, explores the distinction between specifying standards and achieving convergence towards them, and examines some of the discontents generated by the reach of standards into ‘everyday life'. Includes the Special Issue "By whose standards? Standardization, stability and uniformity in the history of information and electrical technologies"
Book Synopsis Modern Power Station Practice by : P.M. Reynolds
Download or read book Modern Power Station Practice written by P.M. Reynolds and published by Elsevier. This book was released on 2013-10-22 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains two additional features which enhance the value of Modern Power Station Practice as a whole: a cumulative subject index and a detailed list of tables of contents for the entire work. The cumulative index provides access to the vast body of information presented in the set, and also indicates at a glance the breadth and depth of the treatment through the use of inclusive page ranges for major topics. In order to allow the reader the greatest flexibility in using the index there are many cross-references. The entries themselves are qualified by up to two descriptive subheadings to allow the most detailed coverage possible of the subject matter. The reproduction of the tables of contents for each volume also provides an overview of the organisation of the individual volumes.
Download or read book Engineering Index Annual written by and published by . This book was released on 1927 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Railway Signaling and Communications by :
Download or read book Railway Signaling and Communications written by and published by . This book was released on 1921 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Rural Electrification News by : United States. Rural Electrification Administration
Download or read book Rural Electrification News written by United States. Rural Electrification Administration and published by . This book was released on 1941 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Last Lecture written by Randy Pausch and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author, a computer science professor diagnosed with terminal cancer, explores his life, the lessons that he has learned, how he has worked to achieve his childhood dreams, and the effect of his diagnosis on him and his family.
Download or read book The Electrical Journal written by and published by . This book was released on 1924 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Telegraphy After 100 Years by : Western Union Telegraph Company. Committee on Technical Publication
Download or read book American Telegraphy After 100 Years written by Western Union Telegraph Company. Committee on Technical Publication and published by . This book was released on 1944 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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