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IEC 60034-3:2007

(Main)

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

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.

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.

General Information

Status
Published
Publication Date
26-Nov-2007
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
29.160.01 - Rotating machinery in general
Technical Committee
TC 2 - Rotating machinery
Drafting Committee
MT 6 - TC 2/MT 6
Current Stage
DELPUB - Deleted Publication
Completion Date
26-May-2020
Ref Project

Relations

Revised
IEC 60034-3:2020 - Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines and for synchronous compensators
Effective Date
05-Sep-2023
Revises
IEC 60034-3:2005 - Rotating electrical machines - Part 3: Specific requirements for cylindrical rotor synchronous machines
Effective Date
05-Sep-2023

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IEC 60034-3:2007 - Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbinesIEC 60034-3:2007 - Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines
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IEC 60034-3:2007 - Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines
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IEC 60034-3
Edition 6.0 2007-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Rotating 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

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
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et les microfilms, sans l'accord écrit de la CEI ou du Comité national de la CEI du pays du demandeur.
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IEC 60034-3
Edition 6.0 2007-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Rotating 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
PRICE CODE
INTERNATIONALE
U
CODE PRIX
ICS 29.160 ISBN 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 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

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. IEC collaborates closely
with the I
...

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