IEC_60909-3_.pdf

NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60909-3Deuxime ditionSecond edition2003-09Courants de court-circuit dans les rseauxtriphass courant alternatif Partie 3:Courants durant deux courts-circuits monophasssimultans spars la terre et courants de court-circuit partiels scoulant travers la terreShort-circuit currents in three-phasea.c.systems Part 3:Currents during two separate simultaneousline-to-earth short circuits and partial short-circuit currents flowing through earthNumro de rfrenceReference numberCEI/IEC 60909-3:2003Copyright International Electrotechnical Commission Provided by IHS under license with IECDocument provided by IHS Licensee=Qatar Petroleum/5943408001,12/08/200421:40:30 MST Questions or comments about this message:please call the DocumentPolicy Group at 303-397-2295.-,-,-Numrotation des publications Depuis le 1er janvier 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 respectivement 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 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 travaux 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 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.IEC 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 publication 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 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 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 Catalogue 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 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 recently 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 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.Copyright International Electrotechnical Commission Provided by IHS under license with IECDocument provided by IHS Licensee=Qatar Petroleum/5943408001,12/08/200421:40:30 MST Questions or comments about this message:please call the DocumentPolicy Group at 303-397-2295.-,-,-NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60909-3Deuxime ditionSecond edition2003-09Courants de court-circuit dans les rseauxtriphass courant alte