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SLOVENSKI STANDARD
01-december-2021
Električni rotacijski stroji - 30-2. del: Razredi izkoristka izmeničnih motorjev s
spremenljivo hitrostjo (koda IE) (IEC/TS 60034-30-2:2016)
Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors
(IE-code) (IEC/TS 60034-30-2:2016)
Drehende elektrische Maschinen - Teil 30-2: WirkungsgradKlassifizierung von
Wechselstrommotoren mit variabler Drehzahl (IE-Code) (IEC/TS 60034-30-2:2016)
Machines électriques tournantes - Partie 30-2: Classes de rendement des moteurs à
courant alternatif à vitesse variable (code IE) (IEC/TS 60034-30-2:2016)
Ta slovenski standard je istoveten z: CLC IEC/TS 60034-30-2:2021
ICS:
29.160.30 Motorji Motors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
TECHNICAL SPECIFICATION CLC IEC/TS 60034-30-2
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
October 2021
ICS 29.160.01
English Version
Rotating electrical machines - Part 30-2: Efficiency classes of
variable speed AC motors (IE-code)
(IEC/TS 60034-30-2:2016)
Machines électriques tournantes - Partie 30-2: Classes de Drehende elektrische Maschinen - Teil 30-2: Wirkungsgrad-
rendement des moteurs à courant alternatif à vitesse Klassifizierung von Wechselstrommotoren mit variabler
variable (code IE) Drehzahl (IE-Code)
(IEC/TS 60034-30-2:2016) (IEC/TS 60034-30-2:2016)
This Technical Specification was approved by CENELEC on 2021-08-16.
CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly
at national level in an appropriate form. It is permissible to keep conflicting national standards in force.
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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. CLC IEC/TS 60034-30-2:2021 E
European foreword
This document (CLC IEC/TS 60034-30-2:2021) consists of the text of IEC/TS 60034-30-2:2016
prepared by IEC/TC 2 "Rotating machinery".
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 Technical Specification IEC/TS 60034-30-2:2016 was approved by
CENELEC as a European Technical Specification without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60034-5 NOTE Harmonized as EN IEC 60034-5
IEC 60034-12 NOTE Harmonized as EN 60034-12
IEC/TS 60034-25 NOTE Harmonized as CLC/TS 60034-25
IEC/TS 60034-31 NOTE Harmonized as CLC/TS 60034-31
ISO 25745-2 NOTE Harmonized as EN ISO 25745-2
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 When 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 60034-1 - Rotating electrical machines - Part 1: EN 60034-1 -
Rating and performance
IEC/TS 60034-2-3 - Rotating electrical machines - Part 2-3: EN IEC 60034-2-3 -
Specific test methods for determining
losses and efficiency of converter-fed AC
induction motors
IEC 60034-30-1 - Rotating electrical machines - Part 30-1: EN 60034-30-1 -
Efficiency classes of line operated AC
motors (IE code)
IEC 61800-9-2 - Adjustable speed electrical power drive EN 61800-9-2 -
systems - Part 9-2: Ecodesign for power
drive systems, motor starters, power
electronics and their driven applications -
Energy efficiency indicators for power drive
systems and motor starters
A new edition and common modifications are currently under preparation. Stage of these documents
at the time of publication: FprEN 60034-1 and FprEN 60034-1/prAA.
This standard has been withdrawn and replaced with IEC 60034-2-3:2020.
IEC TS 60034-30-2
Edition 1.0 2016-12
TECHNICAL
SPECIFICATION
Rotating electrical machines –
Part 30-2: Efficiency classes of variable speed AC motors (IE-code)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.160.01 ISBN 978-2-8322-3670-3
– 2 – IEC TS 60034-30-2:2016 © IEC 2016
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 8
3 Terms, definitions and symbols. 8
3.1 Terms and definitions . 8
3.2 Symbols . 10
4 Efficiency classification . 10
4.1 Determination . 10
4.1.1 General . 10
4.1.2 Auxiliary devices . 10
4.2 Efficiency rating . 11
4.3 Tolerances . 12
4.4 Classification . 12
4.5 Nominal limits for efficiency class IE1 . 14
4.6 Nominal limits for efficiency class IE2 . 15
4.7 Nominal limits for efficiency class IE3 . 16
4.8 Nominal limits for efficiency class IE4 . 17
4.9 Nominal limits for efficiency class IE5 . 18
4.10 Interpolation of reference values at intermediate powers . 18
5 Required documentation . 20
5.1 Information on the rating plate . 20
5.2 Information in the documentation . 20
Bibliography . 22
Table 1 – IE-efficiency classification . 12
Table 2 – Reference values (%) for the calculation of IE1 nominal efficiency limits . 14
Table 3 – Reference values (%) for the calculation of IE2 nominal efficiency limits . 15
Table 4 – Reference values (%) for the calculation of IE3 nominal efficiency limits . 16
Table 5 – Reference values (%) for the calculation of IE4 nominal efficiency limits . 17
Table 6 – Reference values (%) for the calculation of IE5 nominal efficiency limits . 18
Table 7 – Interpolation coefficients for rated powers 0,12 kW up to 0,64 kW . 19
Table 8 – Interpolation coefficients for rated powers 0,65 kW up to 200 kW . 20
IEC TS 60034-30-2:2016 © IEC 2016 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ROTATING ELECTRICAL MACHINES –
Part 30-2: Efficiency classes of variable speed AC motors (IE-code)
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
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
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9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
The main task of IEC technical committees is to prepare International Standards. In
exceptional circumstances, a technical committee may propose the publication of a technical
specification when
• the required support cannot be obtained for the publication of an International Standard,
despite repeated efforts, or
• the subject is still under technical development or where, for any other reason, there is the
future but no immediate possibility of an agreement on an International Standard.
Technical specifications are subject to review within three years of publication to decide
whether they can be transformed into International Standards.
IEC TS 60034-30-2, which is a technical specification, has been prepared by IEC technical
committee 2: Rotating machinery.
Full information on the voting for the approval of this standard can be found in the report on
voti
...