IEC INTERNATIONAL STANDARD 61683 First edition 1999-11 Photovoltaic systems Power conditioners - Procedure for measuring efficiency Systemes photovoltaiques - Conditionneurs de puissance - Procedure de mesure du rendement IEC Reference number IEC 61683:1999(E) Numbering 60000 series. Consolidated publications Consolidated versions of.some IEC publications including amendments are available.For example, edition numbers 1.0,1.1 and 1.2 refer, respectively,to the publication incorporating amendments 1 and 2. Validity of this publication 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 the date of the reconfirmation of the publication is available in the IEC catalogue. Information onthe subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication, as well as the list of publications issued, is to be found at the following lEC sources: IECwebsite* Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* IEC Bulletin Available both at the IEC web site*and as aprinted periodical Terminology, graphical and letter symbols general terminology, readers are referred to IEC60050: For International ElectrotechnicalVocabulary (lEV). For graphical symbols, and letter symbols and signs approved by the IEc for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEc 60417: Graphical symbols for use on equipment. Index,surveyandcompilationof thesinglesheetsandIEC60617:Graphicalsymbols for diagrams. See web site address on title page. IEC INTERNATIONAL STANDARD 61683 First edition 1999-11 Photovoltaic systems Power conditioners Procedure for measuring efficiency Systemes photovoltaiques Conditionneurs de puissance Procédure de mesure du rendement @ IEC 1999 — Copyright - all rights reserved mechanical, including photocopying and microfilm, without permission in writing from the publisher. 3, rue de Varembé Geneva, Switzerland InternationalElectrotechnicalCommission Telefax:+4122 919 0300 e-mail: [email protected] IEC web site http: //www.iec.ch Commission Electrotechnique Internationale PRICE CODE R International Electrotechnical Commission MemAyHapoAHan neKTpoTexHMyeckan KoMuccHA For price, see current catalogue