1、 IEC 60034-30-1 Edition 1.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Rotating electrical machines Part 30-1: Efficiency classes of line operated AC motors (IE code) Machines lectriques tournantes Partie 30-1: Classes de rendement pour les moteurs courant alternatif aliments par le rseau (
2、code IE) IEC 60034-30-1:2014-03(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopy
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19、Service Clients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60034-30-1 Edition 1.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Rotating electrical machines Part 30-1: Efficiency classes o
20、f line operated AC motors (IE code) Machines lectriques tournantes Partie 30-1: Classes de rendement pour les moteurs courant alternatif aliments par le rseau (code IE) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T ICS 29.160 PRICE CODE CODE PRIX ISBN 978-2-8
21、322-1415-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication
22、 via un distributeur agr. 2 IEC 60034-30-1:2014 IEC 2014 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 7 2 Normative references 8 3 Terms, definitions and symbols . 9 3.1 Terms and definitions . 9 3.2 Symbols . 9 4 Fields of application 10 5 Efficiency. 11 5.1 Determination 11 5.1.1 General 11 5.1.
23、2 Rated voltages, rated frequencies and rated power 11 5.1.3 Auxiliary devices . 12 5.2 Rating 12 5.3 Classification and marking . 13 5.3.1 General 13 5.3.2 Efficiency classification . 13 5.3.3 Motors below IE1 efficiency 13 5.3.4 Marking 13 5.4 Nominal limits for efficiency classes IE1, IE2, IE3 an
24、d IE4 . 13 5.4.1 Nominal efficiency limits for IE1 14 5.4.2 Nominal efficiency limits for IE2 16 5.4.3 Nominal efficiency limits for IE3 18 5.4.4 Nominal efficiency limits for IE4 20 5.4.5 Interpolation of nominal efficiency limits of intermediate rated powers for 50 Hz mains supply frequency . 21 5
25、.4.6 Interpolation of nominal efficiency limits of intermediate rated powers for 60 Hz mains supply frequency . 23 Annex A (informative) Nominal limits for efficiency class IE5 . 24 Bibliography 25 Table 1 Motor technologies and their energy-efficiency potential . 10 Table 2 IE-Efficiency classifica
26、tion . 13 Table 3 Nominal efficiency limits (%) for 50 Hz IE1 14 Table 4 Nominal efficiency limits (%) for 60 Hz IE1 15 Table 5 Nominal efficiency limits (%) for 50 Hz IE2 16 Table 6 Nominal efficiency limits (%) for 60 Hz IE2 17 Table 7 Nominal efficiency limits (%) for 50 Hz IE3 18 Table 8 Nominal
27、 efficiency limits (%) for 60 Hz IE3 19 Table 9 Nominal efficiency limits (%) for 50 Hz IE4 20 Table 10 Nominal efficiency limits (%) for 60 Hz IE4 21 Table 11 Interpolation coefficients for 0,12 kW up to 0,74 kW 22 Table 12 Interpolation coefficients for 0,75 kW up to 200 kW . 22 IEC 60034-30-1:201
28、4 IEC 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ROTATING ELECTRICAL MACHINES Part 30-1: Efficiency classes of line operated AC motors (IE code) FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotech
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38、is publication. Use of the referenced publications is indispensable for the correct application of this publication. 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 o
39、r all such patent rights. International Standard IEC 60034-30-1 has been prepared by IEC technical committee 2: Rotating machinery. This first edition of IEC 60034-30-1 cancels and replaces IEC 60034-30 (2008). It also cancels and replaces Annex A of IEC 60034-31 (2010). In the next revision of IEC
40、60034- 31:2010 this annex will be removed from its contents. The text of this standard is based on the following documents: FDIS Report on voting 2/1729/FDIS 2/1739/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table.
41、 4 IEC 60034-30-1:2014 IEC 2014 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. NOTE A table of cross-references of all IEC TC 2 publications can be found on the IEC TC 2 dashboard on the IEC website. The committee has decided that the contents of this publicatio
42、n will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IEC 60034-30-1:2014 IEC 2014 5 INTROD
43、UCTION This IEC standard provides for the global harmonization of energy-efficiency classes of electric motors. It deals with all kinds of electric motors that are rated for line operation (including starting at reduced voltage). This includes all single- and three-phase low voltage induction motors
44、, regardless of their rated voltage and frequency, as well as line-start permanent-magnet motors. A second part of this standard series (IEC 60034-30-2) will be prepared for motors rated for variable voltage and frequency supply, such as synchronous motors. The second part will also provide for harm
45、onic voltage losses in motors capable of line operation when fed by frequency converters. IEC 60034-30-1 widens the product range covered in the first edition of IEC 60034-30 significantly. The power range has been expanded (starting at 0,12 kW and ending at 1 000 kW). All technical constructions of
46、 electric motors are covered as long as they are rated for on-line operation and not just three-phase, cage-induction motors as in the first edition. The IE4 class is newly included in this standard. The informative definition of IE4, which was previously included in IEC/TS 60034-31:2010, is therefo
47、re outdated. The new class IE5 is not yet defined in detail but is envisaged for potential products in a future edition of the standard. For a given power and frame size it is generally easier to achieve a higher motor efficiency when the motor is designed for and operated directly on-line with a 60
48、 Hz supply frequency rather than on 50 Hz as explained in Note 1. NOTE 1 As the utilization and size of motors are related to torque rather than power the theoretical power of single-speed motors increases linearly with supply frequency (and hence with speed), i.e. by 20 % from 50 Hz to 60 Hz. I 2 R
49、 winding-losses are dominant especially in small and medium sized induction motors. They basically remain constant at 50 Hz and 60 Hz as long as the torque is kept constant. Although windage, friction and iron losses increase with frequency, they play a minor role especially in motors with a number of poles of four and higher. Therefore, at 60 Hz, the losses increase less than the 20 % power increase when compared to 5
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