1、 IEC 60034-3Edition 6.0 2007-11INTERNATIONAL STANDARD NORME INTERNATIONALERotating electrical machines Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines Machines lectriques tournantes Partie 3: Rgles spcifiques pour les alternateurs synchron
2、es entrans par turbines vapeur ou par turbines gaz combustion IEC60034-3:2007 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electr
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16、ette publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60034-3Edition 6.0 2007-11INTERNATIONAL STANDARD NORME INTERNATIONALERotating electrical machines Part 3: Specific requirements for sy
17、nchronous generators driven by steam turbines or combustion gas turbines Machines lectriques tournantes Partie 3: Rgles spcifiques pour les alternateurs synchrones entrans par turbines vapeur ou par turbines gaz combustion INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNA
18、TIONALE UICS 29.160 PRICE CODECODE PRIXISBN 2-8318-9371-2 2 60034-3 IEC:2007 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Terms and definitions .6 4 General 7 4.1 General rules 7 4.2 Rated conditions .7 4.3 Rated voltage7 4.4 Power factor7 4.5 Rated speed7 4.6 Ranges of voltage and freq
19、uency 8 4.7 Direction of rotation.8 4.8 Stator winding .9 4.9 Generator rated field current and voltage 9 4.10 Winding insulation .9 4.10.1 Thermal class9 4.10.2 Withstand voltage tests .9 4.11 Insulation against shaft current9 4.12 Over-speed test.9 4.13 Critical speeds 9 4.14 P-Q capability diagra
20、m 9 4.15 Overcurrent requirements11 4.16 Sudden short circuit 11 4.17 Short-circuit ratio.12 4.18 Direct axis transient and subtransient reactances for generators .12 4.19 Tolerances on short-circuit ratio and direct axis transient and subtransient reactances 12 4.20 Mechanical conditions for rotors
21、 12 4.20.1 Number of starts12 4.20.2 Turning gear operation 12 4.21 Coolers .13 5 Air-cooled generators .13 5.1 General .13 5.2 Generator cooling13 5.3 Temperature of primary coolant.13 5.3.1 Temperature detectors 14 6 Hydrogen-cooled or liquid-cooled generators14 6.1 General .14 6.2 Hydrogen pressu
22、re and purity in the casing.14 6.3 Generator housing and cover plates 14 6.4 Stator winding terminals 14 6.5 Temperature of primary coolants, temperatures and temperature rises of the generator 14 6.6 Temperature detectors 15 6.7 Auxiliary system 15 60034-3 IEC:2007 3 7 Generators for combustion gas
23、 turbines or combined cycle applications.16 7.1 General .16 7.2 Service conditions .16 7.2.1 General .16 7.2.2 Primary coolant temperature16 7.2.3 Number of starts16 7.2.4 Application of load.16 7.3 Rated output .16 7.4 Capabilities .17 7.4.1 General .17 7.4.2 Base capability 17 7.4.3 Temperature ri
24、se and temperature at base capability.18 7.4.4 Peak capability 19 7.5 Rating plate.19 7.6 Temperature tests .19 Annex A (normative) Precautions to be taken when using hydrogen cooled turbine-driven synchronous generators .20 Bibliography27 Figure 1 Operation over ranges of voltage and frequency 8 Fi
25、gure 2 Typical P-Q capability diagram.10 Figure 3 Typical generator capability curves 18 Figure A.1 Example of a large hydrogen supply unit feeding one or more generators (simplified diagram) 26 4 60034-3 IEC:2007 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ROTATING ELECTRICAL MACHINES Part 3: Speci
26、fic requirements for synchronous generators driven by steam turbines or combustion gas turbines FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of
27、 IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (P
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29、th the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as n
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31、hat sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committ
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33、cedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or ag
34、ents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of
35、 or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some
36、 of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60034-3 has been prepared by IEC Technical Committee 2: Rotating machinery. This sixth edition cancels and replace
37、s the fifth edition published in 2005. This edition constitutes a technical revision. The significant technical changes with respect to the previous edition are as follows: the contents is now restricted to synchronous generators driven by steam turbines or combustion gas turbines, but covers as wel
38、l cylindrical rotor and salient-pole generators; synchronous motors have been taken out of the scope of part 3. 60034-3 IEC:2007 5 The text of this standard is based on the following documents: FDIS Report on voting 2/1461/FDIS 2/1474/RVD Full information on the voting for the approval of this stand
39、ard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of IEC 60034 series, published under the general title Rotating electrical machines, can be found on the IEC website. The co
40、mmittee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a r
41、evised edition, or amended. 6 60034-3 IEC:2007 ROTATING ELECTRICAL MACHINES Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines 1 Scope This part of IEC 60034 applies to three-phase synchronous generators, having rated outputs of 10 MVA and ab
42、ove driven by steam turbines or combustion gas turbines. It supplements the basic requirements for rotating machines given in IEC 60034-1. Common requirements are prescribed together with specific requirements for air, for hydrogen or for liquid cooled synchronous generators. This part of IEC 60034
43、also gives the precautions to be taken when using hydrogen cooled generators including: rotating exciters driven by synchronous generators; auxiliary equipment needed for operating the generators; parts of the building where hydrogen might accumulate. NOTE 1 These requirements also apply to a synchr
44、onous generator driven by both a steam turbine and a combustion gas turbine as part of a single shaft combined cycle unit. NOTE 2 These requirements do not apply to synchronous generators driven by water (hydraulic) turbine or wind turbine. NOTE 3 The precautions to be taken when using hydrogen are
45、valid for all cases where hydrogen is used as a coolant. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (incl
46、uding any amendments) applies. IEC 60034-1, Rotating electrical machines Part 1: Rating and performance IEC 60034-4, Rotating electrical machines Part 4: Methods for determining synchronous machine quantities from tests IEC 60045-1, Steam turbines Part 1: Specifications IEC 60079 (all parts), Electr
47、ical apparatus for explosive gas atmospheres 3 Terms and definitions For the purposes of this document, the terms and definitions in IEC 60034-1 together with the following additions apply. 60034-3 IEC:2007 7 3.1 mechanical start change in speed from zero or turning gear speed to rated speed 3.2 tur
48、ning gear operation rotation at low speed to maintain thermal equilibrium of the turbine and/or rotor 4 General 4.1 General rules Turbine driven synchronous generators shall be in accordance with the basic requirements for rotating machines specified in IEC 60034-1 unless otherwise specified in this
49、 standard. Wherever in this standard there is reference to an agreement, it shall be understood that this is an agreement between the manufacturer and the purchaser. 4.2 Rated conditions The rated conditions are given by the rated values of the apparent power; frequency; voltage; power factor; primary coolant temperature (40C unless otherwise agreed upon); and where applicable, si
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