1、IEC;Commission Electrotechnique Internationale International Electrotechnical CommissionMen yHapoaHaa 3neKTpoTexHH4ecKaa KOMHCCHA?NORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC51-91988AMENDEMENT 2AMENDMENT 21995-01Amendement 2Appareils mesureurs lectriques indicateursanalogiques action directe et le
2、urs accessoiresPartie 9:Mthodes dessai recommandesAmendment 2Direct acting indicating analogue electrical-measuring instruments and their accessoriesPart 9:Recommended test methods CEI 1995 Droits de reproduction rservs Copyright all rights reservedBureau Central de la Commission Electrotechnique In
3、ternationale 3,rue de Varemb Genve,SuisseCODE PRIXPRICE CODEPour prix,voir catalogue en vigueurFor price,see current catalogueBLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DIS85(BC)65Rapport de vote85/47/RVD 2?51-9 amend.2CEI:1995AV
4、ANT-PROPOSLe prsent amendement a t tabli par le comit dtudes 85 de la CEI:Appareillagede mesure des grandeurs lectromagntiques.Le texte de cet amendement est issu des documents suivants:Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le voteayant abouti lapprobation d
5、e cet amendement.Page 118Remplacement:4.14.1.1 Mthode1)Placer lappareil et ses accessoires non interchangeables dans les conditions derfrence,sans excitation,pendant au moins 4 h.2)Appliquer,en tapotant lappareil,une excitation de valeur constante amenantlindex sur un trait de la graduation spcifi e
6、n 6.3.1 de la premire partie.Noter lavaleur de lexcitation(8R)aprs une dure dexcitation dau moins 1 min,mais demoins de 3 min.3)Aprs une dure dexcitation dau moins 30 min mais de moins de 35 min,rglerlexcitation de manire amener lindex,en tapotant lappareil,sur le mme trait dela graduation quen 2).N
7、oter la valeur de lexcitation(Bx).NOTE En cas de doute,et aprs accord entre le fabricant et lacheteur,lchauffement propre peuttre prolong.Une dure maximale de 6 h est conseille.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DIS85(00)6
8、5Report on voting85/47/RVD51-9 Amend.2 IEC:1995?-3-FOREWORDThis amendment has been prepared by IEC technical committee 85:Measuringequipment for electromagnetic quantities.The text of this amendment is based on the following documents:Full information on the voting for the approval of this amendment
9、 can be found in thereport on voting indicated in the above table.Page 119Replacement:4.14.1.1 Procedure1)Condition the instrument and its non-interchangeable accessories under referenceconditions,without excitation,for at least 4 h.2)Apply a constant value of excitation with tapping that will bring
10、 the index to ascale mark as specified in 6.3.1 of Part 1.Record the value of the excitation(BR)after at least 1 min but less than 3 min of excitation.3)After at least 30 min but less than 35 min of excitation,readjust the excitation tobring the index to the same scale mark as in step 2)with tapping
11、.Record the value ofthe excitation(Bx).NOTE In case of doubt,and by agreement between the supplier and the purchaser,the self-heatingtest may be extended.A maximum period of 6 h is suggested.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.ICS 17.220.20Typeset and printed by the IEC Central OfficeGENEVA,SWITZERLANDLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.
