EN 60034-3:2005

SLOVENSKI SIST EN 60034-3:2006

STANDARD
januar 2006
Rotacijski električni stroji – 3. del: Posebne zahteve za sinhronske stroje s
cilindričnim rotorjem (IEC 60034-3:2005)
(istoveten EN 60034-3:2005)
Rotating electrical machines – Part 3: Specific requirements for cylindrical rotor
synchronous machines (IEC 60034-3:2005)
ICS 29.160.20 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 60034-3
NORME EUROPÉENNE
EUROPÄISCHE NORM June 2005
ICS 29.160 Supersedes EN 60034-3:1995

English version
Rotating electrical machines
Part 3: Specific requirements for cylindrical
rotor synchronous machines
(IEC 60034-3:2005)
Machines électriques tournantes Drehende elektrische Maschinen
Partie 3: Règles spécifiques Teil 3: Besondere Anforderungen
pour les machines synchrones an Vollpol-Synchronmaschinen
à rotor cylindrique (IEC 60034-3:2005)
(CEI 60034-3:2005)
This European Standard was approved by CENELEC on 2005-05-01. 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, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

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

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60034-3:2005 E
Foreword
The text of document 2/1315/FDIS, future edition 5 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 2005-05-01.
This European Standard supersedes EN 60034-3:1995.
The significant technical changes with respect to EN 60034-3:1995 are as follows:
– the document has been consolidated and completely restructured. It was rewritten to a
considerable extent;
– the section on air cooled generators has been combined with that on hydrogen-cooled and liquid
cooled generators. Different requirements so far valid for air cooled generators alone were
modified in such a way that the requirements are now strictly bound to the generator ratings but
not longer to the machine type. As an example for the harmonisation which took place the short
circuit ratio of the air cooled generators were adjusted to those for the other generators. The
separate cooler sections for air cooled generators were eliminated;
– the standard was generally adjusted to the progress in generator control. The state of the art
control systems do not require the previous large power factors. They were reduced to one
minimum value instead of several value classes providing the prospects of reduced generator
costs. It was considered that standards should not work as an unnecessary cost driving factor;
– a normative Annex A has been added dealing with precautions to be taken when using hydrogen
as a coolant on turbine–type synchronous generators. Formerly only a guide was provided. It was
considered that aspects dealing with the safe operation of hydrogen cooled generators must be
taken seriously and must become normative.
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) 2006-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-05-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60034-3:2005 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 60034-8:2002 (not modified).
__________
- 3 - EN 60034-3:2005
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 Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60034-1 - Rotating electrical machines EN 60034-1 2004
Part 1: Rating and performance

1) 2)
IEC 60034-4 - Part 4: Methods for determining EN 60034-4 1995
(mod) synchronous machine quantities from
tests
1) 2)
IEC 60045-1 - Steam turbines EN 60045-1 1993
Part 1: Specifications
IEC 60079 (mod) Series Electrical apparatus for explosive gas EN 60079 Series
atmospheres
1)
Undated reference.
2)
Valid edition at date of issue.

NORME CEI
INTERNATIONALE IEC
60034-3
INTERNATIONAL
Cinquième édition
STANDARD
Fifth edition
2005-02
Machines électriques tournantes –
Partie 3:
Règles spécifiques pour les machines
synchrones à rotor cylindrique

Rotating electrical machines –
Part 3:
Specific requirements for cylindrical rotor
synchronous machines
 IEC 2005 Droits de reproduction réservés  Copyright - all rights reserved
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utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
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Международная Электротехническая Комиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue

60034-3  IEC:2005 – 3 –
CONTENTS
FOREWORD.7

1 Scope .13
2 Normative references .13
3 Terms and definitions .13
4 General .15
4.1 General rules.15
4.2 Rated conditions.15
4.3 Rated voltage .15
4.4 Power factor .15
4.5 Rated speed.15
4.6 Ranges of voltage and frequency .17
4.7 Direction of rotation .19
4.8 Stator winding .19
4.9 Machine rated field current and voltage.19
4.10 Machine insulation.19
4.10.1 Thermal class .19
4.10.2 Withstand voltage tests .19
4.11 Insulation against shaft current .19
4.12 Over-speed test.21
4.13 Critical-speeds .21
4.14 P-Q capability diagram .21
4.15 Overcurrent requirements .23
4.16 Sudden short circuit.25
4.17 Short-circuit ratio .25
4.18 Direct axis transient and subtransient reactances for generators.25
4.19 Tolerances on short-circuit ratio and direct axis transient and subtransient
reactances .27
4.20 Mechanical conditions for rotors.27
4.20.1 Number of starts .27
4.20.2 Turning gear operation.27
4.21 Coolers .27
5 Air-cooled machines .29
5.1 General .29
5.2 Machine cooling .29
5.3 Temperature of primary coolant .29
5.3.1 Temperature detectors .29
6 Hydrogen-cooled or liquid-cooled machines .31
6.1 General .31
6.2 Hydrogen pressure and purity in the casing.31
6.3 Machine housing and cover plates .31
6.4 Stator winding terminals .31
6.5 Temperature of primary coolants, temperatures and temperature rises of the
machine .31

60034-3  IEC:2005 – 5 –
6.6 Temperature detectors.33
6.7 Auxiliary system .33
7 Machines for combustion gas turbines or combined cycle applications .35
7.1 General .35
7.2 Service conditions .35
7.2.1 General .35
7.2.2 Primary coolant temperature .35
7.2.3 Number of starts .37
7.2.4 Application of load .37
7.3 Rated output.37
7.4 Capabilities .37
7.4.1 General .37
7.4.2 Base capability .37
7.4.3 Temperature rise and temperature at base capability .41
7.4.4 Peak capability .41
7.5 Rating plate.41
7.6 Temperature tests .41
7.7 Operation as a synchronous compensator .41

Annex A (normative) Precautions to be taken when using
...