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EN IEC 60045-1:2020

(Main)

Steam turbines - Part 1: Specifications

Steam turbines - Part 1: Specifications

IEC 60045-1:2020 is applicable primarily to land-based horizontal steam turbines driving generators for electrical power services. Some of its provisions are relevant to turbines for other applications. Generator, gear box and other auxiliaries which are considered as a part of the system are also mentioned in this document. Detailed specifications for this equipment are not included in this document. The purpose of this document is to make an intending purchaser aware of options and alternatives which it may wish to consider, and to enable it to state its technical requirements clearly to potential suppliers. Consequently, final technical requirements will be in accordance with an agreement between the purchaser and the supplier in the contract. This second edition cancels and replaces the first edition published in 1991. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Scope clarification and boundaries of applicability; b) general update to state-of-the-art technology; c) integration of product safety: Clause 5; d) integration of automation, incorporating the former annex on electronic governors: Clause 11; e) Informative Annex A on welding added.

Dampfturbinen - Teil 1: Anforderungen

Turbines à vapeur - Partie 1: Spécifications

IEC 60045-1:2020 est applicable en premier lieu aux turbines à vapeur horizontales pour applications terrestres entraînant des alternateurs de production d'énergie électrique. Certaines de ces dispositions sont applicables aux turbines pour d'autres usages. Les alternateurs, la transmission et les auxiliaires qui sont considérés comme des parties intégrantes du système sont également mentionnés dans le présent document. Le présent document ne fournit pas de spécifications détaillées concernant ces équipements. Le but de ce document est de rendre un éventuel acheteur conscient des options et des variantes qu'il peut souhaiter envisager et de lui permettre d'exprimer clairement ses exigences techniques auprès des fournisseurs potentiels. Par conséquent, les exigences techniques finales seront conformes à un accord contractuel entre l'acheteur et le fournisseur. Cette deuxième édition annule et remplace la première édition parue en 1991. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: a) clarification du domaine d'application et des limites d'applicabilité; b) mise à jour par rapport à l'état d'avancement de la technologie; c) intégration de la sécurité des produits: Article 5; d) intégration de l'automatisation, incorporant l'ancienne annexe sur les régulateurs électroniques: Article 11; e) ajout de l'Annexe A informative concernant le soudage.

Parne turbine - 1. del: Specifikacije (IEC 60045-1:2020)

General Information

Status
Published
Publication Date
09-Jul-2020
ICS
27.040 - Gas and steam turbines. Steam engines
Technical Committee
CLC/SR 5 - Steam turbines
Drafting Committee
IEC/TC 5 - Steam Turbines
Current Stage
6060 - Document made available - Publishing
Start Date
10-Jul-2020
Completion Date
10-Jul-2020
Ref Project
SIST EN IEC 60045-1:2020 - Steam turbines - Part 1: Specifications (IEC 60045-1:2020)

Relations

Replaces
EN 60045-1:1993 - Steam turbines - Part 1: Specifications
Effective Date
23-Jan-2023

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SLOVENSKI STANDARD
01-oktober-2020
Nadomešča:
SIST EN 60045-1:2001
Parne turbine - 1. del: Specifikacije (IEC 60045-1:2020)
Steam turbines - Part 1: Specifications (IEC 60045-1:2020)
Dampfturbinen - Teil 1: Anforderungen (IEC 60045-1:2020)
Turbines à vapeur - Partie 1: Spécifications (IEC 60045-1:2020)
Ta slovenski standard je istoveten z: EN IEC 60045-1:2020
ICS:
27.040 Plinske in parne turbine. Gas and steam turbines.
Parni stroji Steam engines
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60045-1

NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2020
ICS 27.040 Supersedes EN 60045-1:1993 and all of its amendments
and corrigenda (if any)
English Version
Steam turbines - Part 1: Specifications
(IEC 60045-1:2020)
Turbines à vapeur - Partie 1: Spécifications Dampfturbinen - Teil 1: Anforderungen
(IEC 60045-1:2020) (IEC 60045-1:2020)
This European Standard was approved by CENELEC on 2020-06-17. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60045-1:2020 E

European foreword
The text of document 5/231/FDIS, future edition 2 of IEC 60045-1, prepared by IEC/TC 5 "Steam
turbines" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-03-17
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-06-17
document have to be withdrawn
This document supersedes EN 60045-1:1993 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 60045-1:2020 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60300-3-3 NOTE Harmonized as EN 60300-3-3
IEC 60812 NOTE Harmonized as EN IEC 60812
IEC 61025 NOTE Harmonized as EN 61025
IEC 61326 (series) NOTE Harmonized as EN IEC 61326 (series)
IEC 61508 (series) NOTE Harmonized as EN 61508 (series)
IEC 61508-5:2010 NOTE Harmonized as EN 61508-5:2010 (not modified)
IEC 61511 (series) NOTE Harmonized as EN 61511 (series)
IEC 61511-1 NOTE Harmonized as EN 61511-1
IEC 61511-3:2016 NOTE Harmonized as EN 61511-3:2017 (not modified)
IEC 61882 NOTE Harmonized as EN 61882
IEC 62381 NOTE Harmonized as EN 62381
IEC 62541 (series) NOTE Harmonized as EN 62541 (series)
IEC 62682 NOTE Harmonized as EN 62682
ISO/IEC 15408 (series) NOTE Harmonized as EN ISO/IEC 15408 (series)
IEC/IEEE 82079-1 NOTE Harmonized as EN IEC/IEEE 82079-1
ISO 2553 NOTE Harmonized as EN ISO 2553
ISO 3834 (series) NOTE Harmonized as EN ISO 3834 (series)
ISO 3834-1:2005 NOTE Harmonized as EN ISO 3834-1:2005 (not modified)
ISO 5817 NOTE Harmonized as EN ISO 5817
ISO 9241 (series) NOTE Harmonized as EN ISO 9241 (series)
ISO 9606 (series) NOTE Harmonized as EN ISO 9606 (series)
ISO 9692 (series) NOTE Harmonized as EN ISO 9692 (series)
ISO 9712 NOTE Harmonized as EN ISO 9712
ISO 11970 NOTE Harmonized as EN ISO 11970
ISO 12932 NOTE Harmonized as EN ISO 12932
ISO 13857 NOTE Harmonized as EN ISO 13857
ISO 13916 NOTE Harmonized as EN ISO 13916
ISO 13919-1 NOTE Harmonized as EN ISO 13919-1
ISO 14731 NOTE Harmonized as EN ISO 14731
ISO 14732 NOTE Harmonized as EN ISO 14732
ISO 15613 NOTE Harmonized as EN ISO 15613
ISO 15614 (series) NOTE Harmonized as EN ISO 15614 (series)
ISO 17659 NOTE Harmonized as EN ISO 17659
ISO 17663 NOTE Harmonized as EN ISO 17663

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60034-3 - Rotating electrical machines - Part 3: - -
Specific requirements for synchronous
generators driven by steam turbines or
combustion gas turbines and for
synchronous compensators
IEC 60079 series Explosive atmospheres - -
IEC 60204-1 - Safety of machinery - Electrical equipment EN 60204-1 -
of machines - Part 1: General requirements
IEC 60953 series Rules for steam turbine thermal - -
acceptance tests
IEC 61000-6-2 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-6-2 -
6-2: Generic standards - Immunity
standard for industrial environments
IEC 61000-6-4 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-6-4 -
6-4: Generic standards - Emission
standard for industrial environments
IEC 61064 - Acceptance tests for steam turbine speed EN 61064 -
control systems
ISO 1940 - Mechanical vibration - Balance quality - -
requirements for rotors in a constant (rigid)
state
ISO 7919-3 - Mechanical vibration - Evaluation of - -
mechanical vibration by measurements on
rotating shafts - Part 3: Coupled industrial
machines
ISO 10494 - Turbines and turbine sets - measurement - -
of emitted airborne noise -
engineering/survey method
ISO 11342 - Mechanical vibration - Methods and criteria - -
for the mechanical balancing of flexible
rotors
ISO 10816-3 - Mechanical vibration - Evaluation of - -
machine vibration by measurements on
non-rotating parts - Part 3: Industrial
machines with nominal power above 15 kW
and nominal speeds between 120 r/min
and 15 000 r/min when measured in situ
ISO 12100 2010 Safety of machinery - General principles for EN ISO 12100 2010
design - Risk assessment and risk
reduction
ISO 13850 - Safety of machinery - Emergency stop EN ISO 13850 -
function - Principles for design
ISO 20816-1 - Mechanical vibration - Measurement and - -
evaluation of machine vibration - Part 1:
General guidelines
ISO 20816-2 - Mechanical vibration - Measurement and - -
evaluation of machine vibration - Part 2:
Land-based gas turbines, steam turbines
and generators in excess of 40 MW, with
fluid-film bearings and rated speeds of 1
500 r/min, 1 800 r/min, 3 000 r/min and 3
600 r/min
ISO 21940-31 - Mechanical vibration - Rotor balancing - - -
Part 31: Susceptibility and sensitivity of
machines to unbalance
IEC 60045-1 ®
Edition 2.0 2020-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Steam turbines –
Part 1: Specifications
Turbines à vapeur –
Partie 1: Spécifications
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.040 ISBN 978-2-8322-8313-4

– 2 – IEC 60045-1:2020 © IEC 2020
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 11
3.1 Turbine types . 11
3.2 Methods of initial steam admission . 13
3.3 Interfaces and terminal conditions . 13
3.4 Speeds . 16
3.5 Powers . 17
3.6 Steam flow rate and steam rate. 18
3.7 Heat rates . 18
3.9 Operational regimes (modes) . 19
3.10 Methods of load variation . 19
3.11 Operational life . 20
3.12 Control and protection . 20
4 Guarantees. 21
4.1 General . 21
4.2 Thermal performance guarantees . 21
4.2.1 Performance codes . 21
4.2.2 Turbine plant thermal efficiency or heat rate or steam rate . 21
4.2.3 Output or steam flow capacity . 22
4.2.4 Auxiliary plant power . 22
4.2.5 Steam tables . 22
4.2.6 Tolerances . 22
4.2.7 Ageing . 23
5 Product safety . 23
5.1 General . 23
5.2 Risk assessment . 23
5.2.1 General . 23
5.2.2 Limits of the assessments . 23
5.2.3 Definition of hazards to be considered . 24
5.2.4 Hazard identification . 24
5.2.5 Risk estimation . 24
5.3 Risk reduction . 25
5.4 Interface descriptions . 25
5.5 Documentation . 26
6 Operation and maintenance . 26
6.1 Normal operation . 26
6.1.1 General .
...

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