EN 61083-2-2013 en Instruments and software used for measurement in high-voltage and high-current tests - Part 2 Requirements for software for tests with impulse voltages and curre.pdf

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1、BSI Standards PublicationInstruments and software used for measurement in high-voltage and high-current testsPart 2: Requirements for software for tests with impulse voltages and currentsBS EN 61083-2:2013National forewordThis British Standard is the UK implementation of EN 61083-2:2013. It isidenti

2、cal to IEC 61083-2:2013. It supersedes BS EN 61083-2:1997 which iswithdrawn.The UK participation in its preparation was entrusted to Technical CommitteePEL/42, Testing techniques for high voltages and currents.A list of organizations represented on this committee can be obtained onrequest to its sec

3、retary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. The British Standards Institution 2013Published by BSI Standards Limited 2013ISBN 978 0 580 56917 3ICS 17.220.20Compliance with a British Standard cannot

4、confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 31 July 2013.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 61083-2:2013EUROPEAN STANDARD EN 61083-2 NORME EUROPENNE EUR

5、OPISCHE NORM May 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by a

6、ny means reserved worldwide for CENELEC members. Ref. No. EN 61083-2:2013 E ICS 17.220.20; 19.080 Supersedes EN 61083-2:1997 English version Instruments and software used for measurement in high-voltage and high-current tests - Part 2: Requirements for software for tests with impulse voltages and cu

7、rrents (IEC 61083-2:2013) Appareils et logiciels utiliss pour les mesures pendant les essais haute tension et haute intensit - Partie 2: Exigences pour le logiciel pour les essais avec des tensions et des courants de choc (CEI 61083-2:2013) Messgerte und Software fr Messungen bei Hochspannungs- und

8、Hochstrom-Prfungen - Teil 2: Anforderungen an die Software bei Prfungen mit Stospannungen und -strmen (IEC 61083-2:2013) This European Standard was approved by CENELEC on 2013-04-24. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for givi

9、ng this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three

10、official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electro

11、technical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Roman

12、ia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61083-2:2013EN 61083-2:2013 - 2 - Foreword The text of document 42/318/FDIS, future edition 2 of IEC 61083-2, prepared by IEC/TC 42 “High-voltage testing techniques“ was submitted to the IEC-CENELEC parallel vot

13、e and approved by CENELEC as EN 61083-2:2013. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-01-24 latest date by which the national standards conflicting with the

14、document have to be withdrawn (dow) 2016-04-24 This document supersedes EN 61083-2:1997. EN 61083-2:2013 includes the following significant technical changes with respect to EN 61083-2:1997: a) the test data generator software has been updated; b) the number of reference impulse waveforms included i

15、n the test data generator has been significantly increased; c) all reference values have been recalculated according to new definitions in EN 60060-1 and EN 62475; d) methods for estimating the uncertainty of parameter evaluation has been introduced and are in line with the procedure introduced in E

16、N 60060-2. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61083-2:2013

17、was approved by CENELEC as a European Standard without any modification. BS EN 61083-2:2013- 3 - EN 61083-2:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively refere

18、nced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifica

19、tions, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60060-1 2010 High-voltage test techniques - Part 1: General definitions and test requirements EN 60060-1 2010 IEC 60060-2 - High-voltage test techniques - Part 2: Measuring systems EN 60060-2 - IEC 60060-3 2

20、006 High voltage test techniques - Part 3: Definitions and requirements for on-site testing EN 60060-3 + corr. October 2006 2006 IEC 61083-1 2001 Instruments and software used for measurement in high-voltage impulse tests - Part 1: Requirements for instruments EN 61083-1 2001 IEC 62475 2010 High-cur

21、rent test techniques - Definitions and requirements for test currents and measuring systems EN 62475 2010 ISO/IEC Guide 98-3 - Uncertainty of measurement - Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) - - BS EN 61083-2:2013 2 61083-2 IEC:2013 CONTENTS INTRODUCTION . 5 1 S

22、cope and object 6 2 Normative references . 6 3 Terms and definitions . 7 4 Test data generator (TDG) . 9 4.1 Principle 9 4.2 Data format . 9 5 Values and acceptance limits for the parameters of the reference impulses 9 6 Software testing . 9 6.1 General . 9 6.2 Performance test . 10 6.3 Uncertainty

23、contribution for IEC 60060-2 and/or IEC 62475 . 10 7 Record of performance of the software . 11 Annex A (normative) Reference values and acceptance limits for the parameters of TDG impulses . 12 Annex B (informative) Alternative method for uncertainty estimation 25 Bibliography 32 Table 1 References

24、 to impulse voltage parameter definitions . 8 Table 2 References to impulse current parameter definitions . 9 Table 3 Standard uncertainty contributions of software to the overall uncertainty according to the simplified procedure 11 Table A.1 Reference values and their acceptance limits for full lig

25、htning impulses (LI) (1 of 6) 12 Table A.2 Reference values and their acceptance limits for chopped lightning impulses (LIC) (1 of 2) 18 Table A.3 Reference values and their acceptance limits for switching impulses (SI) . 20 Table A.4 Reference values and their acceptance limits for current impulses

26、 (IC) (1 of 2) 21 Table A.5 Reference values and their acceptance limits for oscillating lightning impulses (OLI) 23 Table A.6 Reference values and their acceptance limits for oscillating switching impulses (OSI) 24 Table B.1 Expanded uncertainties (Ux) of the lightning impulse reference values (1 o

27、f 2) 27 Table B.2 Expanded uncertainties (Ux) of the chopped lightning impulse reference values . 28 Table B.3 Expanded uncertainties (Ux) of the switching impulse reference values . 29 Table B.4 Expanded uncertainties (Ux) of the impulse current reference values . 29 Table B.5 Expanded uncertaintie

28、s (Ux) of the oscillating lightning impulse reference values . 29 Table B.6 Expanded uncertainties (Ux) of the oscillating switching impulse reference values . 30 Table B.7 Example of uncertainty estimation 30 BS EN 61083-2:201361083-2 IEC:2013 5 INTRODUCTION IEC 61083-1 specifies the test requireme

29、nts for digital recorders. Digital recorders, like analogue oscilloscopes, are susceptible to changes in their characteristics. However, the more stringent testing (than is practical for analogue oscilloscopes) specified for digital recorders for standard impulse voltage and current measurement has

30、led to the accuracy of digital recorders being more clearly demonstrated. This part of IEC 61083 applies to software used to process digital records to provide the values of the relevant impulse parameters. The raw data are retained for comparison with the processed data. However, since the paramete

31、rs of the test impulse (including the test value) are to be read from the processed data, it is important to establish tests to ensure that the reading of parameters is adequately performed. The problem is how to ensure this, while permitting users to develop a wide range of techniques. This problem

32、 is further complicated by the different needs of various users, ranging from single-purpose test laboratories, for example those of a cable manufacturer who may only test a few objects which are capacitive, to large high-voltage test/research laboratories, which may perform tests on a very wide ran

33、ge of objects, which have a correspondingly wide range of impedances. The approach taken in this part of IEC 61083 is to provide, from a test data generator software, waveforms (and ranges of their parameters) which a user can employ to verify that a procedure gives values within the specified range

34、s. To reduce the amount of testing required, the waveforms are divided into groups, and the user needs only to check those groups that are appropriate for the high-voltage and/or high-current tests to be performed in his/her laboratory. New definitions for lightning impulse parameters and switching

35、impulse time-to-peak evaluation are introduced in IEC 60060-1. The changes in these definitions have lead to significant changes in some of the reference values in this standard. The number of impulse records in the test data generator has been increased to cover a wider range of impulse shapes seen

36、 in on-site testing. BS EN 61083-2:2013 6 61083-2 IEC:2013 INSTRUMENTS AND SOFTWARE USED FOR MEASUREMENT IN HIGH-VOLTAGE AND HIGH-CURRENT TESTS Part 2: Requirements for software for tests with impulse voltages and currents 1 Scope and object This part of IEC 61083 is applicable to software used for

37、evaluation of impulse parameters from recorded impulse voltages and currents. It provides test waveforms and reference values for the software required to meet the measuring uncertainties and procedures specified in IEC 60060-1, IEC 60060-2, IEC 60060-3 and IEC 62475. Hardware with built-in firmware

38、 that cannot accept external numerical input data is not covered by this standard. The object of this standard is to establish the tests which are necessary to show that the performance of the software complies with the requirements of the relevant IEC standards; define the terms specifically relate

39、d to digital processing; specify reference values and the acceptance limits for the reference impulses; specify the requirements for the record of performance; define the methods to assess the contribution of software to the measurement uncertainty. 2 Normative references The following documents, in

40、 whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60060-1:2010, High-voltage tes

41、t techniques Part 1: General definitions and test requirements IEC 60060-2, High-voltage test techniques Part 2: Measuring systems IEC 60060-3:2006, High-voltage test techniques Part 3: Definitions and requirements for onsite testing IEC 61083-1:2001, Instruments and software used for measurement in

42、 high-voltage impulse tests Part 1: Requirements for instruments IEC 62475:2010, High-current test techniques Definitions and requirements for test currents and measuring systems ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) B

43、S EN 61083-2:201361083-2 IEC:2013 7 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. NOTE References to definitions of relevant impulse parameters, as shown in the relevant clauses of IEC 60060-1:2010, IEC 60060-3:2006 and IEC 62475:2010 are liste

44、d in Tables 1 and 2. 3.1 raw data original record of sampled and quantized information obtained when a digital recorder converts an analogue signal into a digital form, possibly corrected for offset or multiplied by a scale factor 3.2 processed data data obtained by any processing (other than correc

45、tion for offset and/or multiplying by a scale factor) of the raw data SOURCE: IEC 61083-1:2001, definition 1.3.3.5, modified “constant scale factor“ replaced by “scale factor“; NOTE not retained 3.3 internal noise level standard deviation of the samples recorded when a constant voltage is applied to

46、 the input of the digital recorder 3.4 reference impulse waveform supplied by the test data generator (TDG) 3.5 sampling rate sampling frequency number of samples of a signal taken per unit time SOURCE: IEC 60050-704:1993, definition 704-23-03 3.6 resolution (in digital processing) measure of the ac

47、curacy with which a digital system can distinguish between the magnitudes of two samples of a signal Note 1 to entry: Resolution is usually expressed as the number of bits necessary to express in binary form the maximum number of possible different signal levels which can be recognized by the system

48、. SOURCE: IEC 60050-807:1998, definition 807-01-02 3.7 test data generator TDG computer program that generates digital reference data files, representative of synthesized and recorded impulse waveforms BS EN 61083-2:2013 8 61083-2 IEC:2013 Table1References toimpulsevoltage parameterdefinitionsIEC600

49、60-1:2010IEC60060-3:2006Impulse group/Evaluation algorithmUtTpT1TcT2UeUtTpT1T2fValue ofthe testvoltageTime to peakRelative overshootmagnitudeFronttimeTime to choppingTime to half-valueExtreme valueAverage rate ofriseValue ofthe testvoltageTime to peakFronttimeTime to half-valueOscillation frequencyFulllightning impulse voltage(LI)7.1.15,AnnexB7.1.17,AnnexB7.1.18,AnnexB7.1.22,AnnexB7.1.97.1.20(7.2.4)(7.2.5)(7.2.7)Frontchopped lightning impulse voltage(LIC-A1,

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