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INTERNATIONAL STANDARD

IEC 60076-1
Edition 2.1 2000-04

Edition 2:1993 consolidated with amendment 1:1999

Power transformers – Part 1: General

This English-language version is derived from the original bilingual publication by leaving out all French-language pages. Missing page numbers correspond to the Frenchlanguage pages.

Reference number IEC 60076-1:1993+A1:1999(E) 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 publicationincorporating 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 (seebelow) 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 On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda.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 availableby 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: custserv@iec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 00

INTERNATIONAL STANDARD

IEC 60076-1
Edition 2.1 2000-04

Edition 2:1993consolidated with amendment 1:1999

Power transformers – Part 1: General

 IEC 2000 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission, 3, rue de Varembé, PO Box131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch

Com mission Electrotechnique Internationale International Electrotechnical Com m ission Международная Электротехническая Комиссия

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60076-1 © IEC:1993+A1:1999

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CONTENTS
Page

FOREWORD.......................................................................................................................... 7
Clause

1

Scope and service conditions........................................................................................... 9 1.1 Scope ..................................................................................................................... 9 1.2Service conditions................................................................................................... 9 Normative references ..................................................................................................... 11 Definitions...................................................................................................................... 13 3.1...
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