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17、23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23;#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23;#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23;#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23;#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23;#23#23#23#23#23#2
18、3#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23#23g55g48IEEE Std 1137-1991/Cor 1-2009 (Corrigendum to IEEE Std 1137-1991) IEEE Guide for the Implementation of Inductive Coordination Mitigation Techniques and ApplicationsCorrigendum 1 Sponsor IEEE Power Systems Communications Committ
19、ee of the IEEE Power +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. iv Copyright 2009 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std 1137-1991-C
20、or1-2009, IEEE Guide for the Implementation of Inductive Coordination Mitigation Techniques and ApplicationsCorrigendum 1. This corrigendum corrects Table 3Longitudinal Balance Performance Thresholds and the first and last sentences of the third paragraph in Clause 8.5. These are errors in the 1991
21、printed version of this guide. Notice to users Laws and regulations Users of these documents should consult all applicable laws and regulations. Compliance with the provisions of this standard does not imply compliance to any applicable regulatory requirements. Implementers of the standard are respo
22、nsible for observing or referring to the applicable regulatory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so. Copyrights This document is copyrighted by the
23、IEEE. It is made available for a wide variety of both public and private uses. These include both use, by reference, in laws and regulations, and use in private self-regulation, standardization, and the promotion of engineering practices and methods. By making this document available for use and ado
24、ption by public authorities and private users, the IEEE does not waive any rights in copyright to this document. Updating of IEEE documents Users of IEEE standards should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time t
25、hrough the issuance of amendments, corrigenda, or errata. An official IEEE document at any point in time consists of the current edition of the document together with any amendments, corrigenda, or errata then in effect. In order to determine whether a given document is the current edition and wheth
26、er it has been amended through the issuance of amendments, corrigenda, or errata, visit the IEEE Standards Association Web site at http:/ieeexplore.ieee.org/xpl/standards.jsp, or contact the IEEE at the address listed previously. For more information about the IEEE Standards Association or the IEEE
27、standards development process, visit the IEEE-SA Web site at http:/standards.ieee.org. Errata Errata, if any, for this and all other standards can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this URL for errata peri
28、odically. v Copyright 2009 IEEE. All rights reserved. Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. Patents Attention is called to the possibility that implementation of this guide may require use of subject ma
29、tter covered by patent rights. By publication of this guide, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries
30、into the legal validity or scope of Patents Claims or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory. Users of this guide are expressly advised that det
31、ermination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. vi Copyright 2009 IEEE. All rights reserved. Participants At the time this corrigendum was subm
32、itted to the IEEE-SA Standards Board for approval, the Wireline Subcommittee (SC-6) Working Group had the following membership: Percy E. Pool, Co-Chair and Technical Editor Larry S. Young, Co-Chair and Secretary Ron Baysden Steve Blume Joe Boyles Claude Brisson Timothy Conser Jean DeSeve Ernest M. D
33、uckworth, Jr. Gaetano Grano Tristan Harris David P. Hartmann Patrick Hawkins Harold Held Daniel Jandek Richard L. Knight Randall Mears Harvey Nerhood Bill Petersen Mark Simon The following members of the individual balloting committee voted on this guide. Balloters may have voted for approval, disap
34、proval, or abstention. William J. Ackerman Chris Brooks F. Denbrock Gary Engmann Jalal Gohari Gaetano Grano Randall Groves Werner Hoelzl Tanuj Khandelwal J. Koepfinger Jim Kulchisky Federico Lopez G. Luri H. E. Nerhood Michael S. Newman Percy Pool Iulian Profir Charles Rogers Bartien Sayogo Gil Shul
35、tz Gary Stoedter John Tengdin John Toth Eric Udren John Vergis James Wilson Larry YoungWhen the IEEE-SA Standards Board approved this standard on 11 September 2009, it had the following membership: Robert M. Grow, Chair Thomas Prevost, Vice Chair Steve M. Mills, Past Chair Judith Gorman, Secretary J
36、ohn Barr Karen Bartleson Victor Berman Ted Burse Richard DeBlasio Andy Drozd Mark Epstein Alexander Gelman Jim Hughes Richard H. Hulett Young Kyun Kim Joseph L. Koepfinger* John Kulick David J. Law Ted Olsen Glenn Parsons Ronald C. Petersen Narayanan Ramachandran Jon Walter Rosdahl Sam Sciacca *Memb
37、er Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Howard L. Wolfman, TAB Representative Michael Janezic, NIST Representative Satish Aggarwal, NRC Representative vii Copyright 2009 IEEE. All rights reserved. Lorraine Patsco IEEE Standards Program Manager, Documen
38、t Development Matthew J. Ceglia IEEE Standards Program Manager, Technical Program Development viii Copyright 2009 IEEE. All rights reserved. Contents 5. Determining the Source of the Problem . 2 5.2 Communication Noise Investigation . 2 8. Application of Typical Mitigation Apparatus and Techniques.
39、2 8.5 Application of Shielding 2 1 Copyright 2009 IEEE. All rights reserved. IEEE Guide for the Implementation of Inductive Coordination Mitigation Techniques and ApplicationsCorrigendum 1 IMPORTANT NOTICE: This standard is not intended to ensure safety, security, health, or environmental protection
40、 in all circumstances. Implementers of the standard are responsible for determining appropriate safety, security, environmental, and health practices or regulatory requirements. This IEEE document is made available for use subject to important notices and legal disclaimers. These notices and disclai
41、mers appear in all publications containing this document and may be found under the heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Documents.” They can also be obtained on request from IEEE or viewed at http:/standards.ieee.org/IPR/ disclaimers.html. NOTEThe editing
42、 instructions contained in this corrigendum define how to merge the material contained therein into the existing base standard and its amendments to form the comprehensive standard. The editing instructions are shown in bold italic. Four editing instructions are used: change, delete, insert, and rep
43、lace. Change is used to make corrections in existing text or tables. The editing instruction specifies the location of the change and describes what is being changed by using strikethrough (to remove old material) and underscore (to add new material). Delete removes existing material. Insert adds ne
44、w material without disturbing the existing material. Insertions may require renumbering. If so, renumbering instructions are given in the editing instruction. Replace is used to make changes in figures or equations by removing the existing figure or equation and replacing it with a new one. Editing
45、instructions, change markings, and this NOTE will not be carried over into future editions because the changes will be incorporated into the base standard. IEEE Std 1137-1991/Cor 1-2009 IEEE Guide for the Implementation of Inductive Coordination Mitigation Techniques and ApplicationsCorrigendum 1 2
46、Copyright 2009 IEEE. All rights reserved. 5. Determining the Source of the Problem 5.2 Communication Noise Investigation 5.2.2 Noise Performance Thresholds Table 3Longitudinal Balance Performance Thresholds Replace Table 3 with this updated table: Table 3Longitudinal Balance Performance Thresholds L
47、ongitudinal Balance (dB) (C-Message) Performance Category 60 Recommended 50 60 Acceptable 50 Not recommended 8. Application of Typical Mitigation Apparatus and Techniques 8.5 Application of Shielding Change third paragraph to read: The residual current in the power line induces a voltage (50 V 0 60
48、Hz & and 500 mV 0 at 900 Hz) in allconductors all conductors and cable shield between locations A and G. Shield current flows in the cable shield between locations A and G. The magnitude (8.3 25 A 60 Hz and 14.5 77 mA 900 Hz) is the quotient of the induced voltage and the self-impedance of the cable shield (6.04 25 60 Hz and 34.5 77 900 Hz). The shield current induces a counter voltage in the two 100-pair complements between locations A and G. The value is the product of the shield current and the mutual impedance between the shield and pairs (2.6 86.5 60 Hz and 33.9 85.76 85.76 900 Hz).
