IEC 61558-2-7-2007 Safety of power transformers power supplies reactors and similar products - Part 2-7 Particular requirements and tests for transformers and p.pdf

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1、 NORME INTERNATIONALE CEI IECINTERNATIONAL STANDARD 61558-2-7 Deuxime dition Second edition 2007-01Scurit des transformateurs, alimentations, bobines dinductance et produits analogues Partie 2-7: Rgles particulires et essais pour transformateurs et alimentations pour jouets Safety of power transform

2、ers, power supplies, reactors and similar products Part 2-7: Particular requirements and tests for transformers and power supplies for toys Numro de rfrence Reference number CEI/IEC 61558-2-7:2007 PUBLICATION GROUPE DE SCURIT GROUP SAFETY PUBLICATION Numrotation des publications Depuis le 1er janvie

3、r 1997, les publications de la CEI sont numrotes partir de 60000. Ainsi, la CEI 34-1 devient la CEI 60034-1. Editions consolides Les versions consolides de certaines publications de la CEI incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respect

4、ivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. Informations supplmentaires sur les publications de la CEI Le contenu technique des publications de la CEI est constamment revu par la CEI afin quil reflte

5、ltat actuel de la technique. Des renseignements relatifs cette publication, y compris sa validit, sont dispo- nibles dans le Catalogue des publications de la CEI (voir ci-dessous) en plus des nouvelles ditions, amendements et corrigenda. Des informations sur les sujets ltude et lavancement des trava

6、ux entrepris par le comit dtudes qui a labor cette publication, ainsi que la liste des publications parues, sont galement disponibles par lintermdiaire de: Site web de la CEI (www.iec.ch) Catalogue des publications de la CEI Le catalogue en ligne sur le site web de la CEI (www.iec.ch/searchpub) vous

7、 permet de faire des recherches en utilisant de nombreux critres, comprenant des recherches textuelles, par comit dtudes ou date de publication. Des informations en ligne sont galement disponibles sur les nouvelles publications, les publications remplaces ou retires, ainsi que sur les corrigenda. IE

8、C Just Published Ce rsum des dernires publications parues (www.iec.ch/online_news/justpub) est aussi dispo- nible par courrier lectronique. Veuillez prendre contact avec le Service client (voir ci-dessous) pour plus dinformations. Service clients Si vous avez des questions au sujet de cette publicat

9、ion ou avez besoin de renseignements supplmentaires, prenez contact avec le Service clients: Email: custserviec.ch Tl: +41 22 919 02 11 Fax: +41 22 919 03 00 Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IEC 34-1 is

10、now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publication incorporating

11、 amendments 1 and 2. Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to this publication, including its validity, is available in the IEC Catal

12、ogue of publications (see below) in addition to new editions, amendments and corrigenda. Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from

13、the following: IEC Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On- line information is also available on rece

14、ntly issued publications, withdrawn and replaced publications, as well as corrigenda. IEC Just Published This summary of recently issued publications (www.iec.ch/online_news/justpub) is also available by email. Please contact the Customer Service Centre (see below) for further information. Customer

15、Service Centre If you have any questions regarding this publication or need further assistance, please contact the Customer Service Centre: Email: custserviec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 . NORME INTERNATIONALE CEI IECINTERNATIONAL STANDARD 61558-2-7 Deuxime dition Second edition 2

16、007-01Scurit des transformateurs, alimentations, bobines dinductance et produits analogues Partie 2-7: Rgles particulires et essais pour transformateurs et alimentations pour jouets Safety of power transformers, power supplies, reactors and similar products Part 2-7: Particular requirements and test

17、s for transformers and power supplies for toys Pour prix, voir catalogue en vigueur For price, see current catalogue IEC 2007 Droits de reproduction rservs Copyright - all rights reserved Aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun

18、 procd, lectronique ou mcanique, y compris la photo-copie et les microfilms, sans laccord crit de lditeur. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the pub

19、lisher. International Electrotechnical Commission, 3, rue de Varemb, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch Commission Electrotechnique Internationale International Electrotechnical Commission R CODE PRIX

20、PRICE CODE PUBLICATION GROUPE DE SCURIT GROUP SAFETY PUBLICATION 2 61558-2-7 CEI:2007 SOMMAIRE AVANT-PROPOS4 1 Domaine dapplication 8 2 Rfrences normatives.10 3 Termes et dfinitions 10 4 Exigences gnrales 10 5 Gnralits sur les essais 10 6 Caractristiques assignes.12 7 Classification12 8 Marquage et

21、indications .14 9 Protection contre les chocs lectriques.14 10 Changement de la tension primaire dalimentation16 11 Tension secondaire et courant secondaire en charge .16 12 Tension secondaire vide18 13 Tension de court-circuit 18 14 Echauffements .18 15 Protection contre les courts-circuits et les

22、surcharges 20 16 Rsistance mcanique .20 17 Protection contre les effets nuisibles dus la pntration de poussire, dobjets solides et de lhumidit.24 18 Rsistance disolement, rigidit dilectrique et courant de fuite 24 19 Construction.24 20 Composants .26 21 Conducteurs internes .30 22 Raccordement lalim

23、entation et cbles souples externes .30 23 Bornes pour conducteurs externes .30 24 Dispositions en vue de la mise la terre 30 25 Vis et connexions .30 26 Lignes de fuite, distances disolement et distances travers lisolation 32 27 Rsistance la chaleur, au feu et aux courants de cheminement .32 28 Prot

24、ection contre la rouille32 Figure 101 Petit doigt dpreuve 16 Figure 102 Arrangement pour lessai de choc pour les transformateurs (voir 16.101)22 61558-2-7 IEC:2007 3 CONTENTS FOREWORD.5 1 Scope.9 2 Normative references .11 3 Terms and definitions .11 4 General requirements.11 5 General notes on test

25、s .11 6 Ratings.13 7 Classification13 8 Marking and other information 15 9 Protection against electric shock 15 10 Change of input voltage setting 17 11 Output voltage and output current under load .17 12 No-load output voltage .19 13 Short-circuit voltage .19 14 Heating 19 15 Short-circuit and over

26、load protection 21 16 Mechanical strength .21 17 Protection against harmful ingress of dust, solid objects and moisture25 18 Insulation resistance, dielectric strength and leakage current .25 19 Construction.25 20 Components .27 21 Internal wiring.31 22 Supply connection and other external flexible

27、cables or cords 31 23 Terminals for external conductors.31 24 Provisions for protective earthing .31 25 Screws and connections.31 26 Creepage distances, clearances, and distances through insulation.33 27 Resistance to heat, abnormal heat, fire and tracking 33 28 Resistance to rusting33 Figure 101 Sm

28、all test finger .17 Figure 102 Arrangement for impact test for transformers (see 16.101)23 4 61558-2-7 CEI:2007 COMMISSION LECTROTECHNIQUE INTERNATIONALE _ SCURIT DES TRANSFORMATEURS, ALIMENTATIONS, BOBINES DINDUCTANCE ET PRODUITS ANALOGUES Partie 2-7: Rgles particulires et essais pour transformateu

29、rs et alimentations pour jouets AVANT-PROPOS 1) La Commission Electrotechnique Internationale (CEI) est une organisation mondiale de normalisation compose de lensemble des comits lectrotechniques nationaux (Comits nationaux de la CEI). La CEI a pour objet de favoriser la coopration internationale po

30、ur toutes les questions de normalisation dans les domaines de llectricit et de llectronique. A cet effet, la CEI entre autres activits publie des Normes internationales, des Spcifications techniques, des Rapports techniques, des Spcifications accessibles au public (PAS) et des Guides (ci-aprs dnomms

31、 “Publication(s) de la CEI“). Leur laboration est confie des comits dtudes, aux travaux desquels tout Comit national intress par le sujet trait peut participer. Les organisations internationales, gouvernementales et non gouvernementales, en liaison avec la CEI, participent galement aux travaux. La C

32、EI collabore troitement avec lOrganisation Internationale de Normalisation (ISO), selon des conditions fixes par accord entre les deux organisations. 2) Les dcisions ou accords officiels de la CEI concernant les questions techniques reprsentent, dans la mesure du possible, un accord international su

33、r les sujets tudis, tant donn que les Comits nationaux de la CEI intresss sont reprsents dans chaque comit dtudes. 3) Les Publications de la CEI se prsentent sous la forme de recommandations internationales et sont agres comme telles par les Comits nationaux de la CEI. Tous les efforts raisonnables

34、sont entrepris afin que la CEI sassure de lexactitude du contenu technique de ses publications; la CEI ne peut pas tre tenue responsable de lventuelle mauvaise utilisation ou interprtation qui en est faite par un quelconque utilisateur final. 4) Dans le but dencourager luniformit internationale, les

35、 Comits nationaux de la CEI sengagent, dans toute la mesure possible, appliquer de faon transparente les Publications de la CEI dans leurs publications nationales et rgionales. Toutes divergences entre toutes Publications de la CEI et toutes publications nationales ou rgionales correspondantes doive

36、nt tre indiques en termes clairs dans ces dernires. 5) La CEI na prvu aucune procdure de marquage valant indication dapprobation et nengage pas sa responsabilit pour les quipements dclars conformes une de ses Publications. 6) Tous les utilisateurs doivent sassurer quils sont en possession de la dern

37、ire dition de cette publication. 7) Aucune responsabilit ne doit tre impute la CEI, ses administrateurs, employs, auxiliaires ou mandataires, y compris ses experts particuliers et les membres de ses comits dtudes et des Comits nationaux de la CEI, pour tout prjudice caus en cas de dommages corporels

38、 et matriels, ou de tout autre dommage de quelque nature que ce soit, directe ou indirecte, ou pour supporter les cots (y compris les frais de justice) et les dpenses dcoulant de la publication ou de lutilisation de cette Publication de la CEI ou de toute autre Publication de la CEI, ou au crdit qui

39、 lui est accord. 8) Lattention est attire sur les rfrences normatives cites dans cette publication. Lutilisation de publications rfrences est obligatoire pour une application correcte de la prsente publication. 9) Lattention est attire sur le fait que certains des lments de la prsente Publication de

40、 la CEI peuvent faire lobjet de droits de proprit intellectuelle ou de droits analogues. La CEI ne saurait tre tenue pour responsable de ne pas avoir identifi de tels droits de proprit et de ne pas avoir signal leur existence. La Norme internationale CEI 61558-2-7 a t tablie par le comit dtudes 96 d

41、e la CEI: Petits transformateurs, bobines dinductance, blocs dalimentation et produits analogues. Cette deuxime dition annule et remplace la premire dition publie en 1997. Elle constitue une rvision technique. Les principales modifications consistent en la mise jour de cette Partie 2-7 conformment l

42、a Partie 1 dition 2, et en lajout des alimentations dans le domaine dapplication. Cette Partie 2-7 a le statut de publication groupe de scurit conformment au guide CEI 104: Elaboration des publications de scurit et utilisation des publications fondamentales de scurit et publications groupes de scuri

43、t (1997). 61558-2-7 IEC:2007 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS Part 2-7: Particular requirements and tests for transformers and power supplies for toys FOREWORD 1) The International Electrotechnical Commission (I

44、EC) 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 additi

45、on 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 intereste

46、d 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 International Organization for Standardization (ISO) in accordance with

47、conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC

48、 National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to

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