EN IEC 60034-2-2:2024

Rotating electrical machines - Part 2-2: Specific methods for determining separate losses of large machines from tests - Supplement to IEC 60034-2-1

IEC 60034-2-2:2024 applies to large rotating electrical machines and establishes additional methods of determining separate losses and to define an efficiency supplementing IEC 60034‑2‑1. These methods apply when full-load testing is not practical and results in a greater uncertainty. The specific methods described are: - Calibrated-machine method. - Retardation method. - Calorimetric method. - Summation of losses for permanent magnet excited synchronous machines. This second edition cancels and replaces the first edition published in 2010. This edition includes the following significant technical changes with respect to the previous edition: - Layout and procedures aligned with IEC 60034-2-1 and IEC 60034-2-3. - Annex A added: an informative procedure for the summation of losses for large permanent-magnet excited synchronous machines.

Drehende elektrische Maschinen - Teil 2-2: Besondere Verfahren zur Bestimmung der Einzelverluste großer elektrischer Maschinen aus Prüfungen - Ergänzung zu IEC 60034-2-1

Machines électriques tournantes - Partie 2-2: Méthodes spécifiques pour déterminer les pertes séparées des machines de grande taille à partir d'essais - Complément à l'IEC 60034-2-1

L'IEC 60034-2-2:2024 s'applique aux machines électriques tournantes de grande taille et établit des méthodes supplémentaires pour la détermination des pertes séparées et qui sont destinées à définir un rendement, en complément de l'IEC 60034‑2‑1. Ces méthodes s'appliquent lorsqu'un essai à pleine charge n'est pas possible ou qu'il présente une plus grande incertitude. Les méthodes spécifiques décrites sont: - la méthode de la machine étalonnée; - la méthode du ralentissement; - la méthode calorimétrique; - la sommation des pertes pour les machines synchrones avec une excitation à aimants permanents. Cette deuxième édition annule et remplace la première édition parue en 2010. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: a) alignement de la disposition et des procédures sur l'IEC 60034-2-1 et l'IEC 60034-2-3; b) ajout de l'Annexe A: procédure informative pour la sommation des pertes des machines synchrones de grande taille avec une excitation à aimants permanents.

Električni rotacijski stroji - 2-2. del: Posebne metode za ugotavljanje posameznih izgub pri velikih strojev s preskušanjem - Dodatek k IEC 60034-2-1 (IEC 60034-2-2:2024)

Standard IEC 60034-2-2:2024 se uporablja za velike rotacijske električne stroje ter določa dodatne metode za ugotavljanje posameznih izgub in opredelitev učinkovitosti, s čimer dopolnjuje standard IEC 60034‑2‑1. Te metode se uporabljajo, kadar preskušanje s polno obremenitvijo ni praktično in povzroči večjo negotovost. Opisane so naslednje metode:
– metoda z umerjenim strojem;
– metoda z zakasnitvijo;
– kalorimetrična metoda;
– seštevek izgub za stroje s trajnim magnetnim vzbujanjem.
Druga izdaja razveljavlja in nadomešča prvo izdajo, objavljeno leta 2010. Ta izdaja v primerjavi s prejšnjo vključuje naslednje pomembne tehnične spremembe:
– oblika in postopki so bili usklajeni s standardoma IEC 60034-2-1 in IEC 60034-2-3;
– dodan je bil dodatek A: informativni postopek za seštevek izgub za velike stroje s trajnim magnetnim vzbujanjem.

General Information

• Status: Published
• Publication Date: 18-Apr-2024
• ICS: 29.160.01 - Rotating machinery in general
• Technical Committee: CLC/TC 2 - Rotating machinery
• Drafting Committee: IEC/TC 2 - IEC_TC_2
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 19-Apr-2024
• Due Date: 06-Jul-2026
• Completion Date: 19-Apr-2024
• Ref Project: SIST EN IEC 60034-2-2:2024 - Rotating electrical machines - Part 2-2: Specific methods for determining separate losses of large machines from tests - Supplement to IEC 60034-2-1 (IEC 60034-2-2:2024)

Relations

• Replaces: EN 60034-2-2:2010 - Rotating electrical machines - Part 2-2: Specific methods for determining separate losses of large machines from tests - Supplement to IEC 60034-2-1
• Effective Date: 25-Nov-2021

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2024
Električni rotacijski stroji - 2-2. del: Posebne metode za ugotavljanje posameznih
izgub pri velikih strojev s preskušanjem - Dodatek k IEC 60034-2-1 (IEC 60034-2-
2:2024)
Rotating electrical machines - Part 2-2: Specific methods for determining separate losses
of large machines from tests - Supplement to IEC 60034-2-1 (IEC 60034-2-2:2024)
Drehende elektrische Maschinen - Teil 2-2: Besondere Verfahren zur Bestimmung der
Einzelverluste großer elektrischer Maschinen aus Prüfungen - Ergänzung zu IEC 60034-
2-1 (IEC 60034-2-2:2024)
Machines électriques tournantes - Partie 2-2: Méthodes spécifiques pour déterminer les
pertes séparées des machines de grande taille à partir d'essais - Complément à l'IEC
60034-2-1 (IEC 60034-2-2:2024)
Ta slovenski standard je istoveten z: EN IEC 60034-2-2:2024
ICS:
29.160.01 Rotacijski stroji na splošno Rotating machinery in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60034-2-2

NORME EUROPÉENNE
EUROPÄISCHE NORM April 2024
ICS 29.160.01 Supersedes EN 60034-2-2:2010
English Version
Rotating electrical machines - Part 2-2: Specific methods for
determining separate losses of large machines from tests -
Supplement to IEC 60034-2-1
(IEC 60034-2-2:2024)
Machines électriques tournantes - Partie 2-2: Méthodes Drehende elektrische Maschinen - Teil 2-2: Besondere
spécifiques pour déterminer les pertes séparées des Verfahren zur Bestimmung der Einzelverluste großer
machines de grande taille à partir d'essais - Complément à elektrischer Maschinen aus Prüfungen - Ergänzung zu IEC
l'IEC 60034-2-1 60034-2-1
(IEC 60034-2-2:2024) (IEC 60034-2-2:2024)
This European Standard was approved by CENELEC on 2024-04-16. 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,
Türkiye 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
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60034-2-2:2024 E

European foreword
The text of document 2/2157/FDIS, future edition 2 of IEC 60034-2-2, prepared by IEC/TC 2 "Rotating
machinery" 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) 2025-01-16
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-04-16
document have to be withdrawn
This document supersedes EN 60034-2-2:2010 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.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60034-2-2:2024 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 60034-4-1:2018 NOTE Approved as EN IEC 60034-4-1:2018 (not modified)
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.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60034-1 - Rotating electrical machines - Part 1: EN 60034-1 -
Rating and performance
IEC 60034-2-1 - Rotating electrical machines - Part 2-1: EN 60034-2-1 -
Standard methods for determining losses
and efficiency from tests (excluding
machines for traction vehicles)

IEC 60034-2-2 ®
Edition 2.0 2024-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Rotating electrical machines –

Part 2-2: Specific methods for determining separate losses of large machines

from tests – Supplement to IEC 60034-2-1

Machines électriques tournantes –

Partie 2-2: Méthodes spécifiques pour déterminer les pertes séparées des

machines de grande taille à partir d'essais – Complément à l'IEC 60034-2-1

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.160.01  ISBN 978-2-8322-8171-0

– 2 – IEC 60034-2-2:2024 © IEC 2024
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Symbols and abbreviated terms . 7
4.1 Symbols . 7
4.2 Additional subscripts . 8
5 Basic requirements . 8
5.1 Direct and indirect efficiency determination . 8
5.1.1 General . 8
5.1.2 Direct . 8
5.1.3 Indirect . 8
5.2 Uncertainty . 9
6 Additional test methods for the determination of the efficiency of large machines . 9
6.1 General . 9
6.1.1 Overview . 9
6.1.2 Efficiency . 10
6.1.3 Total loss . 10
6.2 Method 2-2-A – Calibrated machine . 11
6.2.1 General . 11
6.2.2 Test procedure . 12
6.2.3 Direct efficiency determination . 12
6.2.4 Determination of separate losses . 13
6.3 Method 2-2-B – Retardation method. 13
6.3.1 General . 13
6.3.2 Test procedure . 15
6.3.3 Determination of deceleration and retardation constant . 17
6.3.4 Determination of separate losses . 19
6.4 Method 2-2-C – Calorimetric method . 20
6.4.1 General . 20
6.4.2 Calorimetric instrumentation . 22
6.4.3 Test procedure . 25
6.4.4 Determination of losses . 26
Annex A (informative) Summation of losses for permanent-magnet synchronous
machines . 30
A.1 General . 30
A.2 No-load test with magnetized rotor . 30
A.3 No-load test with unmagnetized rotor . 30
A.4 Iron losses . 31
A.5 Test with rotor removed . 31
A.6 Rated stator winding losses and additional load losses . 32
A.7 Total losses . 33
Bibliography . 34

Figure 1 – Efficiency determination according to method 2-2-A . 11
Figure 2 – Efficiency determination according to method 2-2-B . 14

IEC 60034-2-2:2024 © IEC 2024 – 3 –
Figure 3 – Method of the chord . 17
Figure 4 – Efficiency determination according to method 2-2-C . 21
Figure 5 – Reference surface . 22
Figure 6 – Four coolers connected in parallel, single calorimeter, single coolant . 23
Figure 7 – Series connected coolers, two coolants . 24
Figure 8 – Bypass piping . 24
Figure 9 – Parallel piping . 25
Figure 10 – Characteristics of pure water as a function of temperature . 27

Table 1 – Additional methods for large machines . 9

– 4 – IEC 60034-2-2:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ROTATING ELECTRICAL MACHINES –

Part 2-2: Specific methods for determining
separate losses of large machines from tests –
Supplement to IEC 60034-2-1
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 t
...