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Description of 357-1973 1973New IEEE Standard - Superseded. The physical means by which electric energy is received from the electric utility is known as an electric interconnection. The primary elements include transmission or distribution circuits, transformers, and switching devices in the form of circuit breakers, fuses, and isolating disconnecting switches. The secondary elements include sensing devices to obtain information to operate the primary equipment intelligently, and relays to initiate removal of equipment from service automatically and quickly when an electric fault or disturbance occurs. It is important to remember that the physical laws of nature which govern the operating behavior of an electric system do not recognize defined lines of electric facility ownership. Thus for a well-engineered interconnection it is mandatory that problems in electric-system protection be studied and analyzed critically without regard to ownership. From the viewpoint of service reliability and service continuity, it is basic to understand that the best conceived, best implemented relaying system is no substitute for an adequately designed power system; and, indeed, inadequately applied protective relaying will contribute to inadequate and unsatisfactory performance of an otherwise well-designed electric system. In considering a new installation, or changes to an existing arrangement, it is very important that protective relaying and safety be given careful attention in the early stages of planning.The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com IEEE Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time. Listed IEEE Standards prices are applicaple for US firms whose annual revenue is less than $400 million. All others, please contact us at info@madcad.com or +1 800.798.9296.
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About IEEEIEEE is the world's largest professional association dedicated to advancing technological innovation and excellence for the benefit of humanity. IEEE and its members inspire a global community through IEEE's highly cited publications, conferences, technology standards, and professional and educational activities. IEEE, pronounced "Eye-triple-E," stands for the Institute of Electrical and Electronics Engineers. The association is chartered under this name and it is the full legal name. IEEE creates an environment where members collaborate on world‐changing technologies – from computing and sustainable energy systems, to aerospace, communications, robotics, healthcare, and more. The strategic plan of IEEE is driven by an envisioned future that realizes the full potential of the role IEEE plays in advancing technology for humanity. The IEEE Brand Identity Toolkit explains the basic usage rules for all corporate identity elements and how to utilize them to create a powerful and consistent communications pieces. IEEE is led by a diverse body of elected and appointed volunteer members. The governance structure includes boards for operational areas as well as bodies representing members in the 45 Societies and technical Councils and ten worldwide geographic regions. |
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