1、g44g40g40g40g3g54g87g71g3g20g25g25g24g140g16g21g19g19g28g3g44g40g40g40g3g42g88g76g71g72g3g73g82g85g3g87g75g72g3g53g72g90g76g81g71g3g82g73g54g92g81g70g75g85g82g81g82g88g86g3g42g72g81g72g85g68g87g82g85g86g15g3g24g19g3g43g93g68g81g71g3g25g19g3g43g93g15g3g53g68g87g72g71g3g20g3g48g57g36g3g68g81g71g3g36g6
2、9g82g89g72g3g44g40g40g40g3g51g82g90g72g85g3g9g3g40g81g72g85g74g92g3g54g82g70g76g72g87g92g3g54g83g82g81g86g82g85g72g71g3g69g92g3g87g75g72g40g79g72g70g87g85g76g70g3g48g68g70g75g76g81g72g85g92g3g38g82g80g80g76g87g87g72g72g44g40g40g40g22g3g51g68g85g78g3g36g89g72g81g88g72g3g49g72g90g3g60g82g85g78g15g3g49
3、g60g3g20g19g19g20g25g16g24g28g28g26g15g3g56g54g36g3g3g20g21g3g41g72g69g85g88g68g85g92g3g21g19g20g19g20g25g25g24g55g48IEEE Std 1665-2009 IEEE Guide for the Rewind of Synchronous Generators, 50 Hz and 60 Hz, Rated 1 MVA and Above Sponsor Electric Machinery Committee of the IEEE Power +1 978 750 8400.
4、Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. Introduction This introduction is not part of IEEE Std 1665-2009, IEEE Guide for the Rewind of Synchronous Generators, 50 Hz and 60 Hz, Rated 1 MVA a
5、nd Above. At the turn of the 21st century, many of the generators used by electric utilities and industrial plants had reached their design life. Because of todays economics, many of these generators may be called upon to supply reliable service for an additional 20 to 30 years, or more. Any generat
6、or Owner intending to significantly extend the life of the generating plant by rewinding and refurbishing the generator should address three key areas: economics, developing a technical specification, and performance upgrades through better materials/design. A comprehensive economic study should be
7、carried out (for the plant as well as the generator) before the investment of significant resources. This should include plant load forecasts, reserve margins, new capacity plans, cost benefit analyses, operating costs, capital costs, and continued reliability/availability. Once a financial decision
8、 has been made to rewind, it is essential that a technical specification be developed. The technical specification should establish a clear understanding between the Owner and the Vendor, with regard to what the final product will be. Doing so creates an understanding of the level of performance and
9、 reliability expected by the Owner/user and what is required in the manufacturing process to achieve it. In addition, to ensure a quality product is achieved, specific tests, measurements and inspections that are to be required in the manufacturing process need to be clearly spelled out. The technic
10、al specification is a means for these requirements and expectations to be stated. New materials, major component replacement, and other design changes may also affect the life extension decision. For example, the development of better insulation systems has been ongoing for many years in the industr
11、y. The ability to uprate the nameplate output with these new materials may make rewind and refurbishment cost effective. Throughout this guide the term “generator” has been used, instead of “rotating machinery,” in order to simplify the text. Many of the items contained herein are also appropriate f
12、or large synchronous motors. However, this guide does not address machine auxiliaries or the excitation system; nor does it address the generators found in modern wind turbines. The reader is directed to the latest version of the IEEE 421 series of standards for excitation systems. Notice to users L
13、aws 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 responsible for observing or referring to the applica
14、ble 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 IEEE. It is made available for a wide variety of
15、 both public and private uses. These include both use, by reference, in laws and regulations, and use in private self-iv Copyright 2010 IEEE. All rights reserved. regulation, standardization, and the promotion of engineering practices and methods. By making this document available for use and adopti
16、on 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 thro
17、ugh 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 whether
18、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 sta
19、ndards 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 periodi
20、cally. 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 matter covered by patent rights. By publication o
21、f 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 into the legal validity or scope of Patents Cla
22、ims 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 determination of the validity of any patent rights
23、, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. v Copyright 2010 IEEE. All rights reserved. vi Copyright 2010 IEEE. All rights reserved. Participants At the time this guide was submitted to
24、the IEEE-SA Standards Board for approval, the Generator Subcommittee/Generator Rewind Working Group had the following membership: William H. Bartley, Chair James R. Michalec, Vice Chair John Amos Partic Saber Azizi Ray Bartnikas Stefano Bomben Michael Brimsek Andrew Brown Doug Conley Ian Culbert Mat
25、thew Davis Jim DeHaan Mario Dumouchel Elton Floyd Nancy Frost James Grant Gary Heuston Richard Huber Haran Karmaker Geoff Klempner Laurent Lammare Jim Lau Clyde Maughan William McDermid Bert Milano Charles Millet Glenn A. Mottershead Nils Nilsson Beant Nindra James A. Oliver Michel Rioual Kim Robins
26、on Lori Rux Jill Smith Gregory Stone Meredith Stranges Remi Tremblay James E. Timperley Thomas R. Wait Robert Ward Chuck Wilson The following members of the individual balloting committee voted on this guide. Balloters may have voted for approval, disapproval, or abstention. William J. Ackerman Mich
27、ael Adams William H. Bartley Thomas Bishop William Bloethe Steven Brockschink Andrew Brown Gustavo Brunello Weijen Chen Matthew Davis Gary L. Donner Donald Dunn James Dymond Gary Engmann Rostyslaw Fostiak Randall Groves Bal Gupta Gary Heuston William B. Hopf David Horvath James Jones Innocent Kamwa
28、Joseph L. Koepfinger Chung-Yiu Lam Daniel Levin William Lockley William McBride William McDermid Don Mclaren Nigel Mcquin Gary Michel Charles Millet Glenn A. Mottershead Jerry Murphy Michael S. Newman Nils Nilsson Alvaro Portillo Madan Rana Charles Rogers Bartien Sayogo Douglas Seely Ahmed El Serafi
29、 Gil Shultz James E. Smith Gary Stoedter Gregory Stone Wayne Timm John Vergis Chuck Wilson James WilsonWhen 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 Gor
30、man, Secretary John 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 S
31、am Sciacca *Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Howard L. Wolfman, TAB Representative Michael Janezic, NIST Representative Satish K. Aggarwal, NRC Representative Lorraine Patsco IEEE Standards Program Manager, Document Development Soo Kim IEEE
32、Standards Program Manager, Technical Program Development vii Copyright 2010 IEEE. All rights reserved. Contents 1. Overview 1 1.1 Scope . 1 1.2 Purpose 1 1.3 Cautions. 2 2. Normative references 2 3. Definitions; acronyms, and abbreviations; and special terms. 3 3.1 Definitions . 3 3.2 Acronyms and a
33、bbreviations . 4 3.3 Special terms 4 4. General issues, strategies, and objectives for rewinding 5 4.1 General 5 4.2 Future operating modes . 5 4.3 Reliability issues 5 4.4 Competitive bidding 6 4.5 Generator capability issues 7 5. Generator stator winding considerations 9 5.1 General 9 5.2 Winding
34、design considerations 9 5.3 Stator bar construction. 9 5.4 Winding groundwall insulation . 11 5.5 Generator end winding and connection rings support . 12 5.6 Slot support systems 13 5.7 Series/phase electrical connections and insulation 13 6. Generator rotor considerations . 14 6.1 Cylindrical rotor
35、s. 14 6.2 Salient-pole rotors 17 7. Writing the technical specification . 19 7.1 General 19 7.2 Objective 20 7.3 Project description . 20 7.4 Definitions . 20 7.5 Scope . 20 7.6 Work conditions 21 7.7 Foreign material exclusion 21 7.8 Deliverables. 22 7.9 Commercial issues. 22 7.10 Attachments. 22 8
36、. Testing 22 8.1 General 22 8.2 Stator core 22 8.3 Stator winding 23 8.4 Rotor winding 26 8.5 Other tests 27 viii Copyright 2010 IEEE. All rights reserved. Annex A (informative) Bibliography . 28 Annex B (informative) Glossary of commonly used generator terms 30 Annex C (informative) Generator compo
37、nents and auxiliaries 39 C.1 Stator frame and core turbo-generators 39 C.2 Stator frame and core hydrogenerators. 40 C.3 Generator monitoring instrumentation 43 Annex D (informative) Stator rewind information. 47 D.1 Coil construction. 47 D.2 Stator winding insulation 47 D.3 End winding support (for
38、 hydrogenerators) 52 D.4 Stator slot support systems . 52 D.5 Vibration concerns 53 Annex E (informative) Cylindrical rotor rewind information 54 E.1 Rotor forgings . 54 E.2 Rotor winding 56 Annex F (informative) Salient-pole rotor rewind information .62 F.1 Shaft 62 F.2 Rotor construction . 62 F.3
39、Rotor windings 63 F.4 Rotor electrical connections 64 Annex G (informative) Information typically supplied in a specification by Owner or Vendor 65 Annex H (informative) Typical preparations for a rewind specification 68 H.1 General 68 H.2 Stator rewind. 69 H.3 Rotor rewind . 71 Annex I (informative
40、) Typical stator rewind specification for turbo-generators 72 I.1 Description of the project. 72 I.2 Machine data 73 I.3 Owners responsibility (as required) 73 I.4 Requirements 73 Annex J (informative) Typical rotor rewind specification for turbo-generators. 78 J.1 Description of the project. 78 J.2
41、 Scope of work and supplies 80 J.3 Supplemental work conditions. 83 J.4 Job progress . 84 J.5 Deliverables . 84 J.6 Commercial 85 J.7 Attachments . 85 Annex K (informative) Typical stator rewind specification for hydrogenerator 86 K.1 Description of the project . 86 K.2 General requirements 89 K.3 M
42、aterial requirements. 91 K.4 Required information 92 K.5 Tests 93 K.6 Warranty . 94 ix Copyright 2010 IEEE. All rights reserved. x Copyright 2010 IEEE. All rights reserved. Annex L (informative) Typical rotor rewind specification for hydrogenerators 95 L.1 Description of the project 95 L.2 Rotor rim
43、/spider cleaning 96 L.3 Material requirements and workmanship 97 L.4 Testing. 97 L.5 Required information 98 L.6 Shipping 98 L.7 Warranty 98 IEEE Guide for the Rewind of Synchronous Generators, 50 Hz and 60 Hz, Rated 1 MVA and Above IMPORTANT NOTICE: This standard is not intended to ensure safety, s
44、ecurity, health, or environmental protection 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
45、legal disclaimers. These notices and disclaimers 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.iee
46、e.org/IPR/ disclaimers.html. 1. Overview 1.1 Scope The general parameters for this guide apply to 50 Hz or 60 Hz synchronous generators driven by reciprocating engines, steam turbines, combustion turbines, and hydro turbines. The guide generally applies to the stator and rotor of generators with rat
47、ed outputs of 1 MVA and above. The guide does not address machine auxiliaries or the excitation system. 1.2 Purpose This guide will provide the generator Owner with insight into the considerations that are necessary when rewinding or refurbishing a generator. Particular emphasis is placed on the com
48、plete rewind of each of the components of the stator and rotor. 1 Copyright 2010 IEEE. All rights reserved. IEEE Std 1665-2009 IEEE Guide for the Rewind of Synchronous Generators, 50 Hz and 60 Hz, Rated 1 MVA and Above 1.3 Cautions CAUTION Hazardous materials warning: On some generators there may be
49、 hazardous materials such as asbestos, lead carbonate, or lead paint. As an example, many Vendors used asbestos in the stator or rotor insulation system. Some hydrogen cooled units may contain lead carbonate. The presence of lead carbonate is due to a reaction of the water, carbon dioxide, and lead in the solder used to manufacture the coolers. In such cases, abatement work, cleaning, and disposal of hazardous materials shall be performed according to appropriate government regulations. The Vendor should provide the Material Safety Data Sheets (MSDS) for all materi
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