IEC_60027-1-amd1ed6.0b.pdf

NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60027-11992AMENDEMENT 1AMENDMENT 11997-05Amendement 1Symboles littraux utiliseren lectrotechniquePartie 1:GnralitsAmendment 1Letter symbols to be usedin electrical technologyPart 1:GeneralDPour prix,voir catalogue en vigueurFor price,see current catalogueCODE PRIXPRICE CODE IEC 1997 Droits de reproduction rservs Copyright-all rights reservedInternational Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300 e-mail:inmailiec.chIEC web site http:/www.iec.ch Commission Electrotechnique Internationale International Electrotechnical Commission 2 60027-1 amend.1 CEI:1997AVANT-PROPOSLe prsent amendement a t tabli par le comit dtudes 25 de la CEI:Grandeurs et units,et leurssymboles littraux.Le texte de cet amendement est issu des documents suivants:FDISRapport de vote25/182+183/FDIS25/190+191/RVDLe rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le vote ayant abouti lapprobation de cette norme._Modifier le tableau 1 de la faon suivante:Page 36UnitsGrandeursUnit SIAutres units oudsignationsNom de la grandeurObservationsNomNom29afacteur de formeFun129btaux de fondamentalh1un129ctaux de lharmonique derang n,taux du neharmoniquehnun129dtaux dharmoniqueshun129etaux de pulsationpun129ftaux dondulation decrtequn129gtaux dondulationefficacerun129hphase,phase instantaneradianrad7)29iphase(l)origine0radianrad7)Voir numro 103,dphasage.60027-1 Amend.1 IEC:1997 3 FOREWORDThis amendment has been prepared by IEC technical committee 25:Quantities and units,and their lettersymbols.The text of this amendment is based on the following document:FDISReport on voting25/182+183/FDIS25/190+191/RVDFull information on the voting for the approval of this amendment can be found in the report on votingindicated in the above table.Amend table 1 as follows:Page 37UnitsQuantitiesSI unitSome otherunits ordesignationsName of quantityRemarksNameName29aform factorFone129bfundamental factorh1one129cfactor of nth harmonichnone129d(total)harmonic factorhone129epulsation factorpone129fpeak ripple factorqone129grms ripple factor,effective ripple factorrone129hphase,instantaneousphaseradianrad7)29iinitial phase,phaseangle0radianrad7)See item no.103,phase difference.4 60027-1 amend.1 CEI:1997Page 40UnitsGrandeursUnit SIAutres units oudsignationsNom de la grandeurObservationsNomNom52acharge(lectrique)linique=dQ/dsNote:Le VEIemploie=Q/s.coulombparmtreC/mPage 42UnitsGrandeursUnit SIAutres units oudsignationsNom de la grandeurObservationsNomNom67acourant de dplacementIDampreA67bcourant totalItItotIt=I+IDampreA3)68adensit de courant dedplacementJDampre parmtre carrA/m268bdensit de couranttotalJtJtotJt=J+JDampre parmtre carrA/m24)705-17champ magntique,excitation magntiqueHampre parmtreA/m3)Le nom courant total est aussi employ pour dautres grandeurs.4)Le nom densit de courant total est aussi employ pour dautres grandeurs.60027-1 Amend.1 IEC:1997 5 Page 41UnitsQuantitiesSI unitSome otherunits ordesignationsName of quantityRemarksNameName52alineic(electric)charge,linear(electric)chargedensity=dQ/dsNote:The IEVgives=Q/s.coulombpermetreC/mPage 43UnitsQuantitiesSI unitSome otherunitsor designationsName of quantityRemarksNameName67adisplacement currentIDampereA67btotal currentItItotIt=I+IDampereA3)68adisplacement currentdensityJDampere persquaremetreA/m268btotal current densityJtJtotJt=J+JDampere persquaremetreA/m24)705-17magnetic fieldstrength,magnetizingfield strengthHampere permetreA/m3)The name“total current”is also used for other quantities.4)The name“total current density”is also used for other quantities.6 60027-1 amend.1 CEI:1997Page 44UnitsGrandeursUnit SIAutres units oudsignationsNom de la grandeurObservationsNomNom75apotentiel(scalaire)dinduction magntiquemB=grad msi rot B=0tesla mtreT m75bpotentiel magntique(scalaire)VmH=grad Vmsi rot H=0ampreA84acoercitivit relative linductionHcBampre parmtreA/m84bcoercitivit relative laimantationHcMampre parmtreA/m84ccoercitivit relative lapolarisationHcJampre parmtreA/mPage 70Modifier le tableau 6 de la faon suivante:Supprimer lindice N pour assign au numro s.0602b.Ajouter une note de bas de page:2)Lindice N est utilis seulement pour les machines tournantes.Lindice r est utilis pour rotor dans la CEI60027-4,article 7.60027-1 Amend.1 IEC:1997 7 Page 45UnitsQuantitiesSI unitSome otherunitsor designationsName of quantityRemarksNameName75ascalar magnetic inductionpotentialmB=grad mif rot B=0tesla metreT m75bscalar magnetic potentialVmH=grad Vmif rot H=0ampereA84acoercivity related to fluxdensityHcBampereper metreA/m84bcoercivity related tomagnetizationHcMampereper metreA/m84ccoercivity related topolarizationHcJamperepar metreA/mPage 71Amend table 6 as follows:Delete the subscript“N”for“rated”in item s.0602b.Add a note at the bottom of the page:2)The subscript“N”is used for“rated”in rotating machinery,because the subscript“r”is used for“rotor”.SeeIEC 60027-4,clause 7.Publications de la CEI prpares IEC publications prepare