1、IEEE Std C57.18.10a-2008(Amendment to IEEE Std C57.18.10-1998)IEEE Standard for Practices andRequirements for SemiconductorPower Rectifier TransformersAmendment 1: Added Technical andEditorial CorrectionsIEEE3 Park Avenue New York, NY 10016-5997, USA30 May 2008IEEE Power Engineering SocietySponsored
2、 by theTransformers Committee C57.18.10aTMIEEE Std C57.18.10a-2008 (Amendment to IEEE Std C57.18.10-1998) IEEE Standard for Practices and Requirements for Semiconductor Power Rectifier Transformers Amendment 1: Added Technical and Editorial Corrections Sponsor Transformers Committee of the IEEE Powe
3、r Engineering Society Approved 27 March 2008 IEEE-SA Standards Board Abstract: This standard practice provides rating data, construction requirements, testing and calculation methods for dry-type or liquid-filled semiconductor power rectifier transformers. These transformers supply nonsinusoidal loa
4、d currents and are subject to higher harmonic load losses than standard power transformers. A number of examples illustrating harmonic loss calculations are presented in a reference annex. Keywords: commutating impedance, harmonic current, harmonic load losses, harmonic loss factor, harmonics, nonsi
5、nusoidal load, rectifier transformers The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2008 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 30 May 2008. Printed in the United States of Amer
6、ica. IEEE is a registered trademark in the U.S. Patent +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 2008 IEEE. All rights reserved. Introduction This introduction i
7、s not part of IEEE C57.18.10a-2008, IEEE Standard Practices and Requirements for Semiconductor Power Rectifier TransformersAmendment 1: Added Technical and Editorial Corrections. This amendment was produced in response to errors that were found during the reaffirmation ballot in 2003. The errors wer
8、e editorial in nature and the corrections did not require a full standard revision to correct. 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
9、 regulatory requirements. Implementers of the standard are responsible 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 constr
10、ued as doing so. Copyrights This document is copyrighted by the 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 practice
11、s and methods. By making this document available for use and adoption 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 th
12、e issuance of new editions or may be amended from time to time through 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 det
13、ermine whether a given document is the current edition and whether 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 mo
14、re information about the IEEE Standards Association or the IEEE 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/in
15、dex.html. Users are encouraged to check this URL for errata periodically. Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. v Copyright 2008 IEEE. All rights reserved. Patents Attention is called to the possibility
16、 that implementation of this standard may require use of subject matter covered by patent rights. By publication of this standard, 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
17、 Claims for which a license may be required, for conducting inquiries 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
18、non-discriminatory. Users of this standard are expressly advised that determination 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. Participants At the ti
19、me this amendment was submitted to the IEEE-SA Standards Board for approval, the Rectifier Transformer Working Group had the following membership: Sheldon Kennedy, Chair Nelson Alfonso Donald Ayers Enrique Betancourt Gene Blackburn Carl Bush Yunxiang Chen Peter Clarke Tommy Cooper Frank Damico Alan
20、Darwin Ronald Daubert Dieter Dohnal Patrick Epping Joseph Foldi Derek Foster Dudley Galloway Robert Ganser Bill Griesacker Roger Hayes Caron Hopfner Philip Hopkinson Mike Iman Charles Johnson Alexander Kline Boyd Leuenberger Richard Marek Nigel McQuin Jerry Murphy Martin Navarro Ray Nicholas Dhiru P
21、atel Wesley Patterson Linden Pierce Paul Pillitteri Jeewan Puri Dinesh Sankarakurup Subhas Sarkar Thomas Slovik James Smith Albert Walls Dave Wiegand The following members of the individual balloting committee voted on this amendment. Balloters may have voted for approval, disapproval, or abstention
22、. Donald Ayers Steven Bezner Wallace Binder Gene Blackburn William Bloethe Carl Bush Yunxiang Chen Tommy Cooper Dieter Dohnal Donald Dunn Gary Engmann Joseph Foldi Shawn Galbraith Jalal Gohari Randall Groves Roger Hayes James Huddleston Charles Johnson Sheldon Kennedy Yuri Khersonsky Jim Kulchisky S
23、aumen Kundu John Lackey Stephen Lambert Richard Marek J. Dennis Marlow John W. Matthews Gary Michel Charles Morse Jerry Murphy Michael S. Newman Raymond Nicholas Joe Nims Bansi Patel Ugo Piovan Alvaro Portillo Iulian Profir Michael Roberts Edward Rowe Dinesh Sankarakurup Bartien Sayogo Hyeong Sim Ja
24、mes E. Smith James Thompson John Vergis James Wilson Matthew Zeedyk Waldemar Ziomek vi Copyright 2008 IEEE. All rights reserved. When the IEEE-SA Standards Board approved this amendment on 27 March 2008, it had the following membership: Robert M. Grow, Chair Thomas Prevost, Vice Chair Steve M. Mills
25、, Past Chair Judith Gorman, Secretary Victor Berman Richard DeBlasio Andy Drozd Mark Epstein Alexander Gelman William Goldbach Arnie Greenspan Ken Hanus Jim Hughes Richard Hulett Young Kyun Kim Joseph L. Koepfinger* John Kulick David J. Law Glenn Parsons Ron Petersen Chuck Powers Narayanan Ramachand
26、ran Jon Walter Rosdahl Anne-Marie Sahazizian Malcolm Thaden Howard Wolfman Don Wright *Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Satish K. Aggarwal, NRC Representative Michael H. Kelley, NIST Representative Lisa Perry IEEE Standards Project Editor Ma
27、tthew J. Ceglia IEEE Standards Program Manager, Technical Program Development vii Copyright 2008 IEEE. All rights reserved. Contents 4. Symbols.2 6. Rating data.2 6.10 Impedance.2 8. Testing and calculations 2 8.6 Load losses .2 10. Figures and tables3 10.2 Tables .3 1 Copyright 2008 IEEE. All right
28、s reserved. IEEE Standard Practices and Requirements for Semiconductor Power Rectifier Transformers Amendment 1: Added Technical and Editorial Corrections IMPORTANT NOTICE: This standard is not intended to assure safety, security, health, or environmental protection in all circumstances. Implementer
29、s 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 disclaimers appear in all publications co
30、ntaining 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 instructions contained in this am
31、endment 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 replace. Change is used to make correct
32、ions 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 new material without disturbing the ex
33、isting 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 instructions, change markings, and t
34、his NOTE will not be carried over into future editions because the changes will be incorporated into the base standard. IEEE Std C57.18.10a-2008 IEEE Standard Practices and Requirements for Semiconductor Power Rectifier Transformers Amendment 1: Added Technical and Editorial Corrections 2 Copyright
35、2008 IEEE. All rights reserved. 4. Symbols Insert the following symbol definitions alphabetically as they should appear in Clause 4: EZAC line-to-neutral voltage corresponding to the voltage in the primary winding PA, PB, PCVariable intermediate measured power loss values specifically defined as nec
36、essary for each circuit in the test procedures 6. Rating data 6.10 Impedance 6.10.1 Percent impedance of a rectifier transformer Change the paragraph of 6.10.1 as follows: See 3.2 and 8.8.1. 6.10.2 Commutating impedance Change the first paragraph of 6.10.2 as follows: See 3.1 and 8.8.1 8.8.2. 8. Tes
37、ting and calculations 8.6 Load losses 8.6.2 Test and calculations required for load loss tests Change the caution box in item h) as shown: CAUTION The spectrum may not be appropriate for the actual application. It should be submitted in the transformer manufacturers quotation to the specifying engin
38、eer and accepted only when no better information is available. IEEE Std C57.18.10a-2008 IEEE Standard Practices and Requirements for Semiconductor Power Rectifier Transformers Amendment 1: Added Technical and Editorial Corrections 3 Copyright 2008 IEEE. All rights reserved. 10. Figures and tables 10
39、.2 Tables Change the heading in Column 1 of Table 5 as shown: Circuit number (Table 13 9) Change the heading for Circuit 11 in Table 9 (p. 40) as shown: DELTA, SIX PHASE FOR FORK (STAR) Replace the figure for the phasor diagram for Circuit 31 in Table 9 (p. 42) with the following: Replace the figure for the phasor diagram for Circuit 50 in Table 9 (p. 44) with the following:
