Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines

Applies to three-phase synchronous generators, having rated outputs of 10 MVA and above driven by steam turbines or combustion gas turbines. Provides common requirements as well as specific requirements for air, hydrogen or liquid cooled synchronous generators and supplements the basic requirements given in IEC 60034-1. Gives also the precautions to be taken when using hydrogen cooled generators. The scope of this new edition has been limited with respect to the previous edition.

Drehende elektrische Maschinen - Teil 3: Besondere Anforderungen an Synchrongeneratoren angetrieben durch Dampfturbinen oder Gasturbinen

Machines électriques tournantes - Partie 3: Règles spécifiques pour les alternateurs synchrones entraînés par turbines à vapeur ou par turbines à gaz à combustion

S'applique aux alternateurs triphasés synchrones de puissance assignée supérieure ou égale à 10 MVA entraînés par turbine à vapeur ou par turbine à gaz à combustion. Fournit les règles communes aux alternateurs synchrones ainsi que les règles spécifiques pour alternateurs refroidis par air, par hydrogène ou par un liquide, et constitue un complément aux règles fondamentales données dans la CEI 60034-1. Donne également les précautions à prendre lors de l'usage des alternateurs refroidis par hydrogène. Le domaine d'application de cette nouvelle édition a été limité par rapport à l'édition précédente.

Električni rotacijski stroji - 3. del: Posebne zahteve za sinhronske generatorje, ki jih poganjajo parne turbine ali plinske turbine (IEC 60034-3:2007)

General Information

Status
Withdrawn
Publication Date
10-Jul-2008
Withdrawal Date
31-May-2011
Technical Committee
Drafting Committee
Parallel Committee
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
30-Jun-2023
Completion Date
30-Jun-2023

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Drehende elektrische Maschinen -- Teil 3: Besondere Anforderungen an Synchrongeneratoren angetrieben durch Dampfturbinen oder GasturbinenMachines électriques tournantes -- Partie 3: Règles spécifiques pour les alternateurs synchrones entraînés par turbines à vapeur ou par turbines à gaz à combustionRotating electrical machines -- Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines29.160.20GeneratorjiGenerators27.040Plinske in parne turbine. Parni strojiGas and steam turbines. Steam enginesICS:Ta slovenski standard je istoveten z:EN 60034-3:2008SIST EN 60034-3:2008en,fr01-november-2008SIST EN 60034-3:2008SLOVENSKI
STANDARDSIST EN 60034-3:20061DGRPHãþD

EUROPEAN STANDARD EN 60034-3 NORME EUROPÉENNE
EUROPÄISCHE NORM July 2008
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2008 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60034-3:2008 E
ICS 29.160 Supersedes EN 60034-3:2005
English version
Rotating electrical machines -
Part 3: Specific requirements for synchronous generators
driven by steam turbines or combustion gas turbines (IEC 60034-3:2007)
Machines électriques tournantes -
Partie 3: Règles spécifiques pour
les alternateurs synchrones entraînés
par turbines à vapeur ou par turbines
à gaz à combustion (CEI 60034-3:2007)
Drehende elektrische Maschinen -
Teil 3: Besondere Anforderungen
an Synchrongeneratoren angetrieben durch Dampfturbinen oder Gasturbinen (IEC 60034-3:2007)
This European Standard was approved by CENELEC on 2008-06-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
Foreword The text of document 2/1461/FDIS, future edition 6 of IEC 60034-3, prepared by IEC TC 2, Rotating machinery, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60034-3 on 2008-06-01. This European Standard supersedes EN 60034-3:2005. The significant technical changes with respect to EN 60034-3:2005 are as follows: –
the contents is now restricted to synchronous generators driven by steam turbines or combustion gas turbines, but covers as well cylindrical rotor and salient-pole generators; –
synchronous motors have been taken out of the scope of Part 3. The following dates were fixed: – latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement
(dop)
2009-03-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2011-06-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 60034-3:2007 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60034-8 NOTE
Harmonized as EN 60034-8:2007 (not modified). __________
- 3 - EN 60034-3:2008 Annex ZA (normative)
Normative references to international publications with their corresponding European publications
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 (including any amendments) applies.
NOTE
When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
Publication Year Title EN/HD Year
IEC 60034-1 -1) Rotating electrical machines -
Part 1: Rating and performance EN 60034-1 20042)
IEC 60034-4 -1) Rotating electrical machines -
Part 4: Methods for determining synchronous machine quantities from tests EN 60034-4 19952)
IEC 60045-1 -1) Steam turbines -
Part 1: Specifications EN 60045-1 19932)
IEC 60079 (mod) Series Explosive atmospheres EN 60079 Series
1) Undated reference. 2) Valid edition at date of issue. SIST EN 60034-3:2008

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 électriques tournantes –
Partie 3: Règles spécifiques pour les alternateurs synchrones entraînés par turbines à vapeur ou par turbines à gaz à combustion
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE UICS 29.160 PRICE CODECODE PRIXISBN 2-8318-9371-2SIST EN 60034-3:2008

– 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 voltage.7 4.4 Power factor.7 4.5 Rated speed.7 4.6 Ranges of voltage and frequency.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 class.9 4.10.2 Withstand voltage tests.9 4.11 Insulation against shaft current.9 4.12 Over-speed test.9 4.13 Critical speeds.9 4.14 P-Q capability diagram.9 4.15 Overcurrent requirements.11 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.12 4.20.1 Number of starts.12 4.20.2 Turning gear operation.12 4.21 Coolers.13 5 Air-cooled generators.13 5.1 General.13 5.2 Generator cooling.13 5.3 Temperature of primary coolant.13 5.3.1 Temperature detectors.14 6 Hydrogen-cooled or liquid-cooled generators.14 6.1 General.14 6.2 Hydrogen pressure 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 SIST EN 60034-3:2008

60034-3 © IEC:2007 – 3 –
7 Generators for combustion gas 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 temperature.16 7.2.3 Number of starts.16 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 rise 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
Bibliography.27
Figure 1 – Operation over ranges of voltage and frequency.8 Figure 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: Specific 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 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 (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation.
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