IEEE-776-1992-R2003.pdf
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1、 The Institute of Electrical and Electronics Engineers, Inc. 345 East 47th Street, New York, NY 10017-2394, USA Copyright 1993 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 1993. Printed in the United States of America ISBN 1-55937-281-8 No part of thi
2、s publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. IEEE Std 776-1992 (Revision of IEEE Std 776-1987) IEEE Recommended Practice for Inductive Coordination of Electric Supply and Communication Lines Sponso
3、r Transmission Systems Committee of the IEEE Communications Society Approved December 3, 1992 IEEE Standards Board Abstract: The inductive environment that exists in the vicinity of electric power and wire-line tele- communications systems and the interfering effects that may be produced are address
4、ed. An inter- face that permits either party, without need to involve the other, to verify the induction at the interface by use of a probe wire is presented. This recommended practice does not apply to railway signal circuits. Keywords: communication lines, electric supply, inductive coordination C
5、opyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 12:18:05 MDTNo reproduction or networking permitted without license from IHS -,-,- IEEE Std 776-1992 (R2003) Reaffirme
6、d September 11, 2003 IEEE Standards documents are developed within the Technical Committees of the IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Board. Members of the committees serve voluntarily and without compensation. They are not necessarily members of the Insti
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14、rpretations should be addressed to: Secretary, IEEE Standards Board 445 Hoes Lane P.O. Box 1331 Piscataway, NJ 08855-1331 USA IEEE Standards documents are adopted by the Institute of Electrical and Electronics Engineers without regard to whether their adoption may involve patents on articles, materi
15、als, or processes. Such adoption does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the standards documents. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=NASA Techn
16、ical Standards 1/9972545001 Not for Resale, 04/21/2007 12:18:05 MDTNo reproduction or networking permitted without license from IHS -,-,- iii Introduction (This introduction is not a part of IEEE Std 776-1992, IEEE Recommended Practice for Inductive Coordination of Electric Supply and Communication
17、Lines.) During the ve years since IEEE Std 776-1987 was published, the guide has provided a useful tool for those faced with inductive coordination problems. Questions have arisen about the stringent harmonic distribution used on the probe-wire interface described in table 2. This version of IEEE St
18、d 776 provides exibility in the use of harmonic distributions in table 2 to match the variety of existing environments and conditions. The gen- eral section was also rewritten in an effort to make it more understandable. Other sections have also been improved editorially. These efforts and contribut
19、ions were made by Dick Nelson, Harold Held, Bill McCoy, Charlie Nelson, Chrys Chrysanthou, and David Boneau. Since the publication of joint reports of the National Electric Light Association and the Bell System during and following the 1920s, the joint responsibility of inductive coordination betwee
20、n power and telecommunication companies has generally been accepted. However, the need has long been recognized for one document that denes the components of interference, provides specic procedures to predict levels of interference, provides specic methods to demonstrate cause and effect relationsh
21、ips, and denes a threshold for initiating coordina- tion to mitigate interference. The Longitudinal Induction Working Group, which is under the direction of the Inductive Coordination and Electrical Protection (ICEP) Subcommittee of the Transmission Systems Commit- tee of the Communications Society,
22、 has struggled to produce a fair and equitable approach to ll this need under the leadership of three different chairs. These chairs were, rst, Harold C. Held, retired from Illinois Bell Tele- phone Company; second, the late James R. Wilson, formerly afliated with South Central Bell Telephone Com- p
23、any; and third, David Lee Boneau of Southwestern Bell Telephone Company. Major contributions to the document were made by James R. Wilson, George Benz of Southern New England Telephone Company, and David Boneau. Members of the Oklahoma Power and Communications Association (originally the Oklahoma In
24、ductive Coordination Association) furthered the development of the document by eld testing and assuring the validity of the various calculations and measurement techniques. Many others have reviewed and helped to formulate a guide that is usable by both power and telecommunication company personnel.
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