1、Instrument transformers Part 2:Inductive voltage transformersINTERNATIONALSTANDARDIEC60044-2Edition 1.22003-02Reference numberIEC 60044-2:1997+A1:2000+A2:2002(E)Edition 1:1997 consolidated with amendments 1:2000 and 2:2002This English-language version is derived from the originalbilingual publicatio
2、n by leaving out all French-languagepages.Missing page numbers correspond to the French-language pages.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
3、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 publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The
4、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(see below)in addition to new editions,amendments
5、 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-
6、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committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.
7、IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by 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 assistan
8、ce,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 Instrument transformers Part 2:Inductive voltage transformersFor price,see current catalogue IEC 2003 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in
9、 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 Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmail
10、iec.ch Web:www.iec.chINTERNATIONALSTANDARDIEC60044-2Edition 1.22003-02XCommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODEEdition 1:1997 consolidated with amendments 1:2000 and 2:200260044-2 IEC:1997+A1:2000+A2:2002 3 CONTENTSFOREWORD.91General.111.1Scope.1
11、11.2Normative references.112Definitions.132.1General definitions.132.2Additional definitions for single-phase inductive protective voltage transformers.213General requirements.214Normal and special service conditions.214.1Normal service conditions.214.2Special service conditions.234.3System earthing
12、.255Ratings.255.1Standard values of rated voltages.255.2Standard values of rated output.275.3Standard values of rated voltage factor.275.4Limits of temperature rise.296Design requirements.316.1Insulation requirements.316.2Short-circuit withstand capability.416.3Mechanical requirements.437Classificat
13、ion of tests.437.1Type tests.457.2Routine tests.457.3Special tests.458Type tests.478.1Temperature-rise test.478.2Short-circuit withstand capability test.478.3Impulse test on primary winding.498.4Wet test for outdoor type transformers.518.5Radio interference voltage measurement.539Routine tests.559.1
14、Verification of terminal markings.559.2Power-frequency withstand tests on primary windingsand partial discharge measurement.579.3Power-frequency withstand tests between sectionsand on secondary windings.6110Special tests.6110.1Chopped impulse test on primary winding.6110.2Measurement of capacitance
15、and dielectric dissipation factor.6310.3Mechanical tests.6310.4Transmitted overvoltage measurement.6560044-2 IEC:1997+A1:2000+A2:2002 5 11Markings.6911.1Rating plate markings.6911.2Terminal markings.6912Accuracy requirements for single-phase inductive measuring voltage transformers.7112.1Accuracy cl
16、ass designation for measuring voltage transformers.7112.2Limits of voltage error and phase displacementfor measuring voltage transformers.7112.3Type tests for accuracy of measuring voltage transformers.7312.4Routine tests for accuracy of measuring voltage transformers.7312.5Marking of the rating plate of a measuring voltage transformer.7313Additional requirements for single-phase inductive protective voltage transformers.7513.1Accuracy class designation for protective voltage transformers.7513.2