IEC_61000-4-30ed1.0en-d.pdf

Electromagnetic compatibility(EMC)Part 4-30:Testing and measurement techniques Power quality measurement methodsReference numberIEC 61000-4-30:2003(E)INTERNATIONALSTANDARDIEC61000-4-30First edition2003-02This English-language version is derived from the originalbilingual publication by leaving out all French-languagepages.Missing page numbers correspond to the French-language pages.BASIC EMC PUBLICATION 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 publication incorporating 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(see below)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committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also 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 assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 Electromagnetic compatibility(EMC)Part 4-30:Testing and measurement techniques Power quality measurement methodsFor price,see current catalogue IEC 2003 Copyright-all rights reservedNo 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 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.chINTERNATIONALSTANDARDIEC61000-4-30First edition2003-02XCommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODEBASIC EMC PUBLICATION61000-4-30 IEC:2003 3 CONTENTSFOREWORD.5INTRODUCTION.71Scope.92Normative references.93Definitions.114General.194.1Classes of measurement performance.194.2Organization of the measurements.194.3Electrical values to be measured.194.4Measurement aggregation over time intervals.214.5Measurement aggregation algorithm.214.6Time-clock uncertainty.234.7Flagging concept.235Power quality parameters.255.1Power frequency.255.2Magnitude of the supply voltage.255.3Flicker.275.4Supply voltage dips and swells.295.5Voltage interruptions.335.6Transient voltages.355.7Supply voltage unbalance.355.8Voltage harmonics.375.9Voltage interharmonics.375.10Mains signalling voltage on the supply voltage.395.11Rapid voltage changes.395.12Measurement of underdeviation and overdeviation parameters.396Range of influence quantities and implementation verification.416.1Range of influence quantities.416.2Implementation verification.43Annex A(informative)Power quality measurements Issues and guidelines.47A.1Installation precautions.47A.2Transducers.53A.3Transient voltages and currents.59A.4Rapid voltage changes.65A.5Current.65A.6Guidelines for contractual applications of power quality measurements.71A.7Trouble-shooting applications.79A.8Statistical survey applications.81A.9Voltage dip characteristics.83Bibliography.8961000-4-30 IEC:2003 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION_ELECTROMAGNETIC COMPATIBILITY(EMC)Part 4-30:Testing and measurement techniques Power quality measurement methodsFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.