EN 61000-4-10:1993
(Main)Electromagnetic compatibility (EMC) - Part 4-10: Testing and measurement techniques - Damped oscillatory magnetic field immunity test
Electromagnetic compatibility (EMC) - Part 4-10: Testing and measurement techniques - Damped oscillatory magnetic field immunity test
Relates to the immunity requirements of equipment, only under operational conditions, to damped oscillatory magnetic disturbances related to medium voltage and high voltage sub-stations.
Elektromagnetische Verträglichkeit (EMV) - Teil 4-10: Prüf- und Meßverfahren - Prüfung der Störfestigkeit gegen gedämpft schwingende Magnetfelder
Compatibilité électromagnétique (CEM) - Partie 4-10: Techniques d'essai et de mesure - Essai d'immunité au champ magnétique oscillatoire amorti
Traite des exigences en matière d'immunité des matériels, uniquement dans les conditions d'utilisation, contre les perturbations magnétiques impulsionnelles principalement dans les postes moyenne et haute tension.
Elektromagnetna združljivost (EMC) - 4-10. del: Preskusne in merilne tehnike - Preskus odpornosti proti magnetnemu polju dušenega nihanja (IEC 61000-4-10:1993)
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Elektromagnetna združljivost (EMC) - 4-10. del: Preskusne in merilne tehnike - Preskus odpornosti proti magnetnemu polju dušenega nihanja (IEC 61000-4-10:1993)Elektromagnetische Verträglichkeit (EMV) - Teil 4-10: Prüf- und Meßverfahren - Prüfung der Störfestigkeit gegen gedämpft schwingende MagnetfelderCompatibilité électromagnétique (CEM) - Partie 4-10: Techniques d'essai et de mesure - Essai d'immunité au champ magnétique oscillatoire amortiElectromagnetic compatibility (EMC) - Part 4-10: Testing and measurement techniques - Damped oscillatory magnetic field immunity test33.100.20ImunostImmunityICS:Ta slovenski standard je istoveten z:EN 61000-4-10:1993SIST EN 61000-4-10:1997en01-marec-1997SIST EN 61000-4-10:1997SLOVENSKI
STANDARD
NORMECEIINTERNATIONALEIECINTERNATIONAL 1000-4-10STAN DARDPremière éditionFirst edition1993-06Compatibilité électromagnétique (CEM) -Partie 4:Techniques d'essai et de mesure -Section 10: Essai d'immunité auchamp magnétique oscillatoire amortiPublication fondamentale en CEMElectromagnetic compatibility (EMC) -Part 4:Testing and measurement techniques -Section 10: Damped oscillatory magnetic fieldimmunity testBasic EMC Publication© CEI 1993 Droits de reproduction réservés — Copyright — all rights reservedAucune partie de cette publication ne peut être reproduite niutilisée sous quelque forme que ce soit et par aucun pro-cédé, électronique ou mécanique, y compris la photocopie etles microfilms, sans l'accord écrit de l'éditeur.No part of this publication may be reproduced or utilized inany form or by any means, electronic or mechanical,including photocopying and microfilm, without permissionin writing from the publisher.Bureau Central de la Commission Electrotechnique Internationale 3, rue de Varembé Genève, SuisseIEC•Commission Electrotechnique Internationale CODE PRIXInternational Electrotechnical Commission PRICE CODEMenutynaponKae 3neKTpoTexHHVecnan HOMHCCHA• Pour prix, voir catalogue en vigueurFor price, see current catalogueSIST EN 61000-4-10:1997
1000-4-10 © IEC :1993- 3 -CONTENTSPageFOREWORD 7INTRODUCTION
9Clause1Scope
112Normative references
113General
134Definitions
134.1EUT
134.2Induction coil
134.3Induction coil factor
134.4 Immersion method
134.5 Proximity method 134.6 Ground (reference) plane
134.7 Decoupling network, back filter
154.8 Burst
155Test levels
156Test equipment
156.1Test generator
176.2Induction coil
196.3 Test and auxiliary instrumentation
237Test set-up
237.1Ground (reference) plane
257.2 Equipment under test
257.3 Test generator
257.4Induction coil . . 258Test procedure
278.1Laboratory reference conditions
278.2 Carrying out the test
279Test results and test report
31AnnexesA - Induction coil calibration method
39B- Characteristics of the induction coils
41C - Selection of the test levels 53D- Information on magnetic field strength
57E- Damped oscillatory magnetic field frequency
59SIST EN 61000-4-10:1997
1000-4-10 © IEC :1993- 5 -FiguresPage1 Example of application of the test field by the immersion method
332 Current waveform of the test generator for dampedoscillatory magnetic field (sinusoid wave)
333 Schematic circuit of the test generator for damped oscillatory magnetic field
334 Example of test set-up for table-top equipment
355 Example of test set-up for floor-standing equipment
356 Example of investigation of susceptibility to magnetic fieldby the proximity method
377 Illustration of Helmholtz coils
37B.1 - Characteristics of the field generated by a square induction coil (1 m side)in its plane
45B.2 - 3 dB area of the field generated by a square induction coil (1 m side) in its plane45B.3 - 3 dB area of the field generated by a square induction coil(1 m side) in the mean orthogonal plane(component orthogonal to the plane of the coil)
47B.4 - 3 dB area of the field generated by two square inductioncoils (1 m side) 0,6 m spaced, in the mean orthogonalplane (component orthogonal to the plane of the coils)
47B.5 - 3 dB area of the field generated by two square inductioncoils (1 m side) 0,8 m spaced, in the mean orthogonalplane (component orthogonal to the plane of the coils)
49B.6 - 3 dB area of the field generated by a rectangular inductioncoil (1 m x 2,6 m) in its plane
49B.7 - 3 dB area of the field generated by a rectangular inductioncoil (1 m x 2,6 m) in its plane (ground plane as a side of the induction coil)
51B.8 - 3 dB area of the field generated by a rectangular inductioncoil (1 m x 2,6 m) with ground plane, in the meanorthogonal plane (component orthogonal to the plane of the coil)
51SIST EN 61000-4-10:1997
DIS77B(CO)9Report on Voting77B(CO)151000-4-10 © IEC :1993- 7 -INTERNATIONAL ELECTROTECHNICAL COMMISSIONELECTROMAGNETIC COMPATIBILITY (EMC) —Part 4: Testing and measurement techniques —Section 10: Damped oscillatory magnetic field immunity testBasic EMC PublicationFOREWORD1)The IEC (International Electrotechnical Commission) is a world-wide organization for standardization comprisingall national electrotechnical committees (IEC National Committees). The object of the IEC is to promote interna-tional cooperation on all questions concerning standardization in the electrical and electronic fields. To this endand in addition to other activities, the IEC publishes International Standards. Their preparation is entrusted totechnical committees; any IEC National Committee interested in the subject dealt with may participate in thispreparatory work. International, governmental and non-governmental organizations liaising with the IEC alsoparticipate in this preparation. The IEC collaborates closely with the International Organization (ISO) in accordancewith conditions determined by agreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters, prepared by technical committees on which allNational Committees having a special interest therein are represented, express, as nearly as possible, aninternational consensus of opinion on the subjects dealt with.3)They have the form of recommendations for international use published in the for of standards, technical reportsor guides and they are accepted by the National Committees in that sense.4)In order to promote international unification, the IEC National Committees undertake to apply IEC InternationalStandards transparently to the maximum extent possible in their national or regional standards. Any divergencebetween the IEC Standards and the corresponding national or regional standards shall be clearly indicated in thelatter.International Standard IEC 1000-4-10 has been prepared by sub-committee 77B: Highfrequency phenomena, of IEC technical committee 77: Electromagnetic compatibility.It forms section 10 of part 4 of IEC 1000. It has the status of a basic EMC publication inaccordance with IEC guide 107.The text of this standard is based on the following documents:Full information on the voting for the approval of this standard can be found in the Voting Reportindicated in the above table.Annexes A and B form an integral part of this standard.Annexes C, D and E are for information only.SIST EN 61000-4-10:1997
1000-4-10 © IEC :19939INTRODUCTIONThis standard is part of the IEC 1000 series, according to the following structure:Part 1: GeneralGeneral considerations (introduction, fundamental principles)Definitions, terminologyPart 2: EnvironmentDescription of the environmentClassification of the environmentCompatibility levelsPart 3: LimitsEmission limitsImmunity limits (in so far they do not fall under the responsibility of the product commit-tees)Part 4: Testing and measurement techniquesMeasurement techniquesTesting techniquesPart 5: Installation and mitigation guidelinesInstallation guidelinesMitigation methods and devicesPart 9: MiscellaneousEach part is further subdivided into sections which are to be published either as internationalstandards or as technical reports.These standards and reports will be published in chronological order and numbered accord-ingly.This part is an international standard which gives immunity requirements and test proceduresrelated to "damped oscillatory magnetic field".SIST EN 61000-4-10:1997
1000-4-10 © I EC :1993- 11 -ELECTROMAGNETIC COMPATIBILITY (EMC) —Part 4: Testing and measurement techniques —Section 10 : Damped oscillatory magnetic field immunity testBasic EMC Publication1 ScopeThis international standard relates to the immunity requirements of equipment, only underoperational conditions, to damped oscillatory magnetic disturbances related to medium voltageand high voltage sub-stations.The applicability of this standard to equipment installed in different locations is determined bythe presence of the phenomenon, as specified in clause 3.This standard does not consider disturbances due to capacitive or inductive coupling in cablesor other parts of the field installation.Other IEC standards dealing with conducted disturbances cover these aspects.The object of this standard is to establish a common and reproducible basis for evaluating theperformance of electrical and electronic equipment for medium voltage and high voltagesub-stations when subjected to damped oscillatory magnetic fields.The standard has the object to defines:- recommended test levels;- test equipment;- test set-up;- test procedure.2 Normative referencesThe following normative documents contain provisions which, through reference in this text,constitute provisions of this section of IEC 1000-4. At the time of publication, the editionsindicated were valid. All normative documents are subject to revision, and parties to agree-ments based on this section of IEC 1000-4 are encouraged to investigate the possibility ofapplying the most recent editions of the normative documents indicated below. Members ofIEC and ISO maintain registers of currently valid International Standards.IEC 68-1: 1988, Environmental testing - Part 1: General and guidance.SIST EN 61000-4-10:1997
1000-4-10 © IEC :1993- 13 -3 GeneralThe magnetic fields to which equipment is subjected may influence the reliable operation ofequipment and systems.The following tests are intended to demonstrate the immunity of equipment when subjected todamped oscillatory magnetic field related to the specific location and installation condition ofthe equipment (e.g. proximity of equipment to the disturbance source).The damped oscillatory magnetic field is generated by the switching of H.V. bus-bars byisolators.The test is mainly applicable to electronic equipment to be installed in H.V. sub-stations.Possible other applications may be considered by the product committees.The test field consists of a damped oscillatory wave (see figure 2) whose characteristics aregiven in 6.1.1.Information on the oscillation frequency is given in annex E.4 DefinitionsThe following definitions and terms are used in this standard and apply to the restricted fieldof magnetic disturbances; not all of them are included in IEV(50)161.4.1EUTEquipment under test4.2Induction coil4.3Induction coil factor4.4 Immersion method4.5 Proximity methodConductor loop of defined shape and dimensions,in which flows a current, generating a magnetic fieldof defined constancy in its plane and in the enclosedvolume.Ratio between the magnetic field strength gener-ated by an induction coil of given dimensions andthe corresponding current value; the field is thatmeasured at the centre of the coil plane, without theEUT.Method of application of the magnetic field to theEUT, which is placed in the centre of an inductioncoil (figure 1).Method of application of the magnetic field to theEUT, where a small induction coil is moved alongthe side of the EUT in order to detect particularlysensitive areas.4.6 Ground (reference) plane (GRP) A flat conductive surface whose potential is used asa common reference for the magnetic field gener-ator and the auxiliary equipment (the ground planecan be used to close the loop of the induction coil,as in figure 5). (IEV 161-04-36, modified).SIST EN 61000-4-10:1997
1000-4-10 © IEC :19934.7Decoupling network, back filter4.8Burst5 Test levels- 15 -Electrical circuit intended to avoid reciprocal influ-ence with other equipment not submitted to themagnetic field test.A sequence of a limited number of distinct pulses oran oscillation of limited duration (IEV 161-02-07).The preferential range of test levels is given in table 1.The magnetic field strength is expressed in A/m; 1 A/m corresponds to a free space inductionof 1,26 µT.Table 1 - Test levelsLevelDamped oscillatory magnetic field strengthA/m (peak)1n.a. 2)2n.a. 2)3104305100x 1)specialNOTES1 - "x" is an open level. This level, as well the duration of the test, can be given inthe product specification.2 - "n.a." = not applicableInformation on the selection of the test levels is given in annex C.Information on actual levels is given in annex D.The duration of the test is 2 s.6 Test equipmentThe test magnetic field is obtained by a current flowing in an induction coil; the application ofthe test field to the EUT is by the immersion method.An example of application of the immersion method is given in figure 1.The test equipment includes the current source (test generator), the induction coil and auxiliarytest instrumentation.SIST EN 61000-4-10:1997
1000-4-10 © I EC :1993- 17 -6.1 Test generatorThe generator, with the output waveform corresponding to the test magnetic field, shall beable to deliver the required current in the induction coils specified in 6.2.The generator power capability shall therefore be dimensioned by taking into account the coilimpedance; the inductance may range from 2,5 µH for the 1 m standard coil, to several µH(e.g. 6 pH) for a rectangular induction coil (1 m x 2,6 m, see 6.2).The specifications of the generator are:- current capability, determined by the maximum selected test level and induction coil factor(see 6.2.2 and annex A), ranging from 0,87 (1 m standard coil for testing table-top orsmall equipment to 0,66 (rectangular induction coil, 1 m x 2,6 m, for testing floor standingor large equipment);- operability in short circuit condition;- low output terminal connected to the earth terminal (for connection to the safety earth of thelaboratory);- precautions to prevent the emission of large disturbances that may be. injected in the powersupply network or may influence the test results.The characteristics and performances of the current source or test generator for the fieldconsidered in this standard are given in 6.1.1.6.1.1 Characteristics and performances of the test generatorThe test generator is a repetitive damped sinusoid current generator with characteristics asfollows:SpecificationsOscillation frequency:Decay rate:Repetition rate:Test duration:Output current range:0,1 MHz and 1 MHz ± 10 %50
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