IEC_61312-1_Descargas_Atmosfericas.pdf

NORMECEIINTERNATIONALEIECINTERNATIONAL1312-1STANDARDPremiere editionFirst edition1995-02Protection contre Iimpulsion electromagnetiquegeneree par la foudre-Partie 1:Principes generauxProtection against lightning electromagneticimpulse-Part 1:General principlesIECNumero de referenceReference numberCEI/EC1312-1:1995Validite de la presente publicationValidity of this publicationLe contenu technique des publications de la CEl est cons-The technical content of IEC publications is kept undertamment revu par la CEl afin quil reflete letat actuel deconstant review by the IEC,thus ensuring that the contentla techniquereflects current technology.Des renseignements relatifs a la date de reconfirmation deInformation relating to the date of the reconfirmation of thela publication sont disponibles aupres du Bureau Central depublication is available from the IEC Central Office.la CElLes renseignements relatifs a ces revisions,a letablisInformation on the revision work,the issue of revisedsement des editions revisees et aux amendements peuventeditions and amendments may be obtained from IECetre obtenus aupres des Comites nationaux de la CEl etNational Committees and from the following IECdans les documents ci-dessous:sources.Bulletin de la CElIEC BulletinAnnuaire de la CElIEC YearbookPublie annuellementPublished yearlyCatalogue des publications de la CElCatalogue of IEC publicationsPublie annuellement et mis a jour regulierementPublished yearly with regular updatesTerminologieTerminologyEn ce qui conceme la terminologie generale,le lecteur seFor general terminology,readers are referred to IEC 50:reportera a la CEI 50:Vocabulaire Electrotechnique Inter-Interational Electrotechnical Vocabulary(IEV),which isnationa/(VEl),qui se presente sous forme de chapitresissued in the form of separate chapters each dealingsepares traitant chacun dun sujet defini.Des detailswith a specific field.Full details of the IEV will becomplets sur le VEI peuvent etre obtenus sur demandesupplied on request.See also the IEC MultilingualVoir egalement le dictionnaire multilingue de la CEl.Dictionary.Les termes et definitions figurant dans la presente publi-The terms and definitions contained in the present publi-cation ont ete soit tires du VEl,soit specifiquementcation have either been taken from the IEV or have beenapprouves aux fins de cette publicationspecifically approved for the purpose of this publication.Symboles graphiques et litterauxGraphical and letter symbolsPour les symboles graphiques,les symboles litteraux et lesFor graphical symbols,and letter symbols and signssignes dusage general approuves par la CEl,le lecteurapproved by the IEC for general use,readers are referred toconsultera:publications:la CEl 27:Symboles litterauxa utiliser enIEC 27:Letter symbols to be used in electricalelectro-technique;technology;la CEl 417:Symboles graphiques utilisablesIEC 417:Graphical symbols for use onsur le materiel.Index,releve et compilation desequipment.Index,survey and compilation of thefeuilles individuelles;single sheets,-la CEl 617:Symboles graphiques pour schemas;IEC 617:Graphical symbols for diagrams,et pour les appareils electromedicaux,and for medical electrical equipment,la CEl 878:Symboles graphiquesDourIEC 878:Graphical symbols for electromedicalequipements electriques en pratique medicale.equlpment in medical practice.Les symboles et signes contenus dans la presente publi-The symbols and signs contained in the present publicationcation ont 6te soit tires de la CEl 27,de la CEl 417,de lahave either been taken from IEC 27,IEC 417,IEC 617CEI 617 et/ou de la CEI 878,soit specifiquement approuvesand/or IEC 878,or have been specifically approved for theaux fins de cette publication.purpose of this publication.Publications de la CEl etablies par leIEC publications prepared by the sameneme comitdetudestechnical committeeLattention du lecteur est attiree sur les listes figurant a la finThe attention of readers is drawn to the end pages of thisde cette publication,qui enumerent les publications de lapublication which list the IEC publications issued by theCEl preparees par le comite detudes qui a etabli latechnical committee which has prepared the presentpresente publicationpublication.NORMECEIINTERNATIONALEIECINTERNATIONAL1312-1STANDARDPremiere ditionFirst edition1995-02Protection contre Iimpulsion electromagnetiquegeneree par la foudre-Partie 1:Principes generauxProtection against lightning electromagneticimpulsePart 1:General principlesCE目1995Droits de reproduction reserves-Copyright-all rights reservedAucune partio de cette publication ne peut tre reproduite niNopart of this pubication may beio quelquo forme que co soi par aucun proany form or by any means.electronic or mechanical,ique ou micanique,y compris la photocopie etincluding photocopying and microfilm,without permissiones microfilms,sans Iaccord crit de rditeurin writing from the publisher.Bureau Central de la Commission Electrotechnique Intemationale 3,rue de Varemb6 Geneve,SuisseCommission Electrotechnique InternationaleCODE PRIXInternational Electrotechnical CommissionPRICE CODEXMexayHapoAHaR OneKTpoTexHHveckan HoMHCCHR三Pour prix,voir catalogue en vigueurFor price,see current cataloguo-2-1312-1CEI:1995SOMMAIREPagesAVANT-PROPOSINTRODUCTION.6Articles1Gneralites.81.1Domaine dapplication et objet.81.2 Reference normative.81.3 Termes et dfinitions.82S0 urce dinterfe伯rence102.1 Le courant de decharge atmospherique en tant que source dinterference.102.2 Parametres des courants de decharge atmospherique.103 zone de protection contre la foudre123.1Definition des zones.123.2 Exigences relatives a la mise a la terre.143.3Exigences relatives au blindage.143.4Exigences relatives aux liaisons dquipotentialit.163.4.1 Liaisons dquipotentialite au niveau des limites des zonesde protection contre la foudre.163.4.2 Liaisons dquipotentialite a Iinterieur du volume a proteger.20Tableaux.26Figures28AnnexesA Informations relatives aux parametres fixes pour les courants de decharge50BFonction temporelle du courant de decharge atmospherique aux fins danalyse.56QSimulation du courant de decharge atmospherique aux fins dessais.72DProcessus de couplage electromagntique76EGestion des protections.801312-1IEC:1995-3-CONTENTSPageFOREWORD5INTRODUCTION.7Clause1Genepal.91.1 Scope and object91.2 Normative reference.91.3Terms and definitions.92 Source of interference.112.1 Lightning current as source of interference.112.2 Lightning current parameters.113，Lightning protection zones133.1Z0 ne definitions133.2 Earthing requirements.153.3 Shielding requirements.153.4 Bonding requirements.173.4.1 Bonding at the boundaries of the lightning protection zones.173.4.2 Bonding equipment inside the volume to be protected.21Tables27Figures29AnnexesABackground of the fixed lightning current parameters.51BTime function of the lightning current for analysis purposes.57，CSimulation of the lightning current for test purposes.730Electromagnetic coupling processes.77Protection management.81