IEC_61125-1992_amd1-2004.pdf

NORME INTERNATIONALE CEIIEC INTERNATIONAL STANDARD 611251992-08AMENDEMENT 1AMENDMENT 12004-04 Amendement 1 Isolants liquides neufs base dhydrocarbures Mthodes dessai pour valuer la stabilit loxydation Amendment 1 Unused hydrocarbon-based insulating liquids Test methods for evaluating the oxidation stability Pour prix,voir catalogue en vigueur For price,see current catalogue IEC 2004 Droits de reproduction rservs Copyright-all rights reserved International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch Commission Electrotechnique InternationaleInternational Electrotechnical Commission B CODE PRIX PRICE CODE LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61125 Amend.1 CEI:2004 AVANT-PROPOS Le prsent amendement a t tabli par le comit dtudes 10 de la CEI:Fluides pour applications lectrotechniques.Le texte de cet amendement est issu des documents suivants:FDIS Rapport de vote 10/577/FDIS 10/603/RVD Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le vote ayant abouti lapprobation de cet amendement.Le comit a dcid que le contenu de la publication de base et de ses amendements ne sera pas modifi avant 2010.A cette date,la publication sera reconduite;supprime;remplace par une dition rvise,ou amende._ Page 22 1.9.6 Facteur de dissipation dilectrique Remplacer le texte de ce paragraphe par le nouveau texte suivant:Prparer sparment les chantillons dhuile oxyde de la manire suivante:aprs avoir retir du dispositif doxydation les tubes lessai,boucher ces derniers et les stocker 24 h temprature ambiante(20 C 5 C).Pendant cette priode,lchantillon va refroidir et les produits insolubles vont se dposer en fond de tube.Transvaser lhuile dans un rcipient dessai propre,en prenant garde de ne pas remettre les sdiments en solution afin dviter quils ne soient transfrs dans le rcipient.Seulement approximativement 80%de lhuile doit tre transvas;le mlange huile/sdiment rsiduel reste dans le tube et ne doit pas servir pour la dtermination du facteur de dissipation._ LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61125 Amend.1 IEC:2004 3 FOREWORD This amendment has been prepared by IEC technical committee 10:Fluids for electro-technical applications.The text of this amendment is based on the following documents:FDIS Report on voting 10/577/FDIS 10/603/RVD Full information on the voting for the approval of this amendment can be found in the report on voting indicated in the above table.The committee has decided that the contents of the base publication and its amendments will remain unchanged until 2010.At this date,the publication will be reconfirmed;withdrawn;replaced by a revised edition,or amended._ Page 23 1.9.6 Dielectric dissipation factor Replace the text of this subclause with the following new text:Prepare separately oxidised oil as follows:After removing the test tubes from the oxidation bath,stopper the tubes and store them for 24 h at room temperature(20 C 5 C).During this period the sample will cool down and insoluble sludge will settle to the bottom of the test tubes.Decant the oil without agitation into a cleaned test cell ensuring that the sludge remains undisturbed and is not transferred into the test cell.Only approximately 80%of the oil shall be transferred;the remaining sludge/oil stays in the test tube and shall not be used for the DDF determination._ LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.ISBN 2-8318-7476-9-:HSMINB=YU:ICS 17.220.99;29.035.40 Typeset and printed by the IEC Central Office GENEVA,SWITZERLAND LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.