EN 61643-311-2013 en Components for low-voltage surge protective devices - Part 311 Performance requirements and test circuits for gas discharge tubes (GDT).pdf

1、BSI Standards PublicationComponents for low-voltagesurge protective devicesPart 311: Performance requirements and test circuits for gas discharge tubes (GDT)BS EN 61643-311:2013EUROPEAN STANDARD EN 61643-311 NORME EUROPENNE EUROPISCHE NORM August 2013 CENELEC European Committee for Electrotechnical

2、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 any means reserved worldwide for CENELEC members. Ref. No. EN 61643-311

3、:2013 E ICS 31.100; 33.040.99 Supersedes EN 61643-311:2001 (partially) English version Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT) (IEC 61643-311:2013) Composants pour parafoudres basse tension - Partie 311:

4、 Exigences de performance et circuits dessai pour tubes dcharge de gaz (TDG) (CEI 61643-311:2013) Bauelemente fr berspannungsschutzgerte fr Niederspannung - Teil 311: Leistungsanforderungen sowie Prfschaltungen und -verfahren fr Gasentladungsableiter (sAG) (IEC 61643-311:2013) This European Standard

5、 was approved by CENELEC on 2013-05-16. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning

6、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 official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member i

7、nto its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of

8、 Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61643-311:2013BS EN 61643-311:2013 BRITISH STANDARDNat

9、ional forewordThis British Standard is the UK implementation of EN 61643-311:2013. It is identical to IEC 61643-311:2013. Together with BS EN 61643-312:2013 it supersedes BS EN 61643-311:2001, which will be withdrawn on 16 May 2016.The UK participation in its preparation was entrusted by Technical C

10、ommittee PEL/37, Surge Arresters High Voltage, to Subcommittee PEL/37/1, Surge Arresters Low Voltage.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are

11、 responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 63622 6ICS 31.100; 33.040.99Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority

12、 of the Standards Policy and Strategy Committee on 30 September 2013.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD EN 61643-311 NORME EUROPENNE EUROPISCHE NORM August 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisati

13、on 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 any means reserved worldwide for CENELEC members. Ref. No. EN 61643-311:2013 E ICS 31.100; 33.040.99 Supersedes EN

14、61643-311:2001 (partially) English version Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT) (IEC 61643-311:2013) Composants pour parafoudres basse tension - Partie 311: Exigences de performance et circuits dessai

15、 pour tubes dcharge de gaz (TDG) (CEI 61643-311:2013) Bauelemente fr berspannungsschutzgerte fr Niederspannung - Teil 311: Leistungsanforderungen sowie Prfschaltungen und -verfahren fr Gasentladungsableiter (sAG) (IEC 61643-311:2013) This European Standard was approved by CENELEC on 2013-05-16. CENE

16、LEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving 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 a

17、pplication to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three 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

18、-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary

19、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61643-311:2013EN 61643-311:2013 - 2 - Foreword The text of document 37B/113/FDIS, future edition 2

20、 of IEC 61643-311, prepared by SC 37B, “Specific components for surge arresters and surge protective devices“, of IEC TC 37, “Surge arresters“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61643-311:2013. The following dates are fixed: latest date by which the document

21、 has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-02-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-05-16 This document partially supersedes EN 61643-311:2001. EN 61643-

22、311:2013 includes the following significant technical changes with respect to EN 61643-311:2001: - addition of performance values. 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 fo

23、r identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61643-311:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicat

24、ed: IEC 60364-5-51:2005 NOTE Harmonised as HD 60364-5-51:2009 (modified). IEC 61180-1:1992 NOTE Harmonised as EN 61180-1:1994 (not modified). IEC 61643-312 NOTE Harmonised as EN 61643-312. IEC 61643-11:2011 NOTE Harmonised as EN 61643-11:2012 (modified). IEC 61643-21:2000 + A1:2008 NOTE Harmonised a

25、s EN 61643-21:2001 (not modified) + A1:2009 (modified) BS EN 61643-311:2013- 3 - EN 61643-311:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this d

26、ocument 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 modifications, indicat

27、ed by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-1 2007 Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 2007 IEC 60068-2-20 2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering hea

28、t of devices with leads EN 60068-2-20 2008 IEC 60068-2-21 + corr. January 2006 2012 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 2006 IEC 61000-4-5 + corr. October 2005 2009 Electromagnetic compatibility (EMC) - Part 4-5: T

29、esting and measurement techniques - Surge immunity test EN 61000-4-5 2006 ITU-T Recommendation K.20 2011 Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents - - BS EN 61643-311:2013EN 61643-311:2013 - 2 - Foreword The text of documen

30、t 37B/113/FDIS, future edition 2 of IEC 61643-311, prepared by SC 37B, “Specific components for surge arresters and surge protective devices“, of IEC TC 37, “Surge arresters“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61643-311:2013. The following dates are fixed: l

31、atest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-02-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-05-16 This document partially superse

32、des EN 61643-311:2001. EN 61643-311:2013 includes the following significant technical changes with respect to EN 61643-311:2001: - addition of performance values. 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

33、shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61643-311:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be

34、 added for the standards indicated: IEC 60364-5-51:2005 NOTE Harmonised as HD 60364-5-51:2009 (modified). IEC 61180-1:1992 NOTE Harmonised as EN 61180-1:1994 (not modified). IEC 61643-312 NOTE Harmonised as EN 61643-312. IEC 61643-11:2011 NOTE Harmonised as EN 61643-11:2012 (modified). IEC 61643-21:

35、2000 + A1:2008 NOTE Harmonised as EN 61643-21:2001 (not modified) + A1:2009 (modified) BS EN 61643-311:2013- 3 - EN 61643-311:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are

36、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. NOTE When an international publication has been modified

37、by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-1 2007 Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 2007 IEC 60068-2-20 2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability

38、 and resistance to soldering heat of devices with leads EN 60068-2-20 2008 IEC 60068-2-21 + corr. January 2006 2012 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 2006 IEC 61000-4-5 + corr. October 2005 2009 Electromagnetic c

39、ompatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test EN 61000-4-5 2006 ITU-T Recommendation K.20 2011 Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents - - BS EN 61643-311:2013 2 61643-311 IEC:201

40、3 CONTENTS 1 Scope . 6 2 Normative references . 6 3 Terms, definitions and symbols 7 3.1 Terms and definitions 7 3.2 Symbols 10 4 Service conditions 10 4.1 Low temperature . 10 4.2 Air pressure and altitude . 10 4.3 Ambient temperature . 10 4.4 Relative humidity . 11 5 Mechanical requirements and ma

41、terials 11 5.1 Robustness of terminations . 11 5.2 Solderability 11 5.3 Radiation . 11 5.4 Marking . 11 6 General 11 6.1 Failure rates 11 6.2 Standard atmospheric conditions . 11 7 Electrical requirements . 12 7.1 General . 12 7.2 Initial values 12 7.2.1 Sparkover voltages 12 7.2.2 Insulation resist

42、ance 13 7.2.3 Capacitance 13 7.2.4 Transverse voltage 13 7.2.5 DC holdover 13 7.3 Requirements after application of load. 13 7.3.1 General . 13 7.3.2 Sparkover voltages 14 7.3.3 Insulation resistance 14 7.3.4 AC follow current . 14 7.3.5 Fail-short (Failsafe) . 15 8 Test and measurement procedures a

43、nd circuits 15 8.1 DC sparkover voltage 15 8.2 Impulse sparkover voltage . 16 8.3 Insulation resistance . 16 8.4 Capacitance 16 8.5 Glow-to-arc transition current, glow voltage, arc voltage 16 8.6 Transverse voltage 18 8.7 DC holdover voltage 19 8.7.1 General . 19 8.7.2 DC holdover voltage values .

44、21 8.8 Requirements for current-carrying capacity . 22 8.8.1 General . 22 BS EN 61643-311:201361643-311 IEC:2013 3 8.8.2 Nominal alternating discharge current 22 8.8.3 Nominal impulse discharge current, waveshape 8/20 . 23 8.8.4 Life test with impulse currents, waveshape 10/1 000 . 24 8.8.5 AC follo

45、w current . 24 8.9 Fail-short (failsafe) 25 Bibliography 27 Figure 1 Voltage and current characteristics of a GDT . 8 Figure 2 Symbol for a two-electrode GDT . 10 Figure 3 Symbol for a three-electrode GDT . 10 Figure 4 Circuit for d.c. sparkover voltage test at 100 V/s 15 Figure 5 Circuit for impuls

46、e sparkover voltage at 1 000 V/s 16 Figure 6 Test circuit for glow-to-arc transition current, glow voltage and arc voltage . 17 Figure 7 Voltage-current characteristic of a typical GDT, suitable for measuring for example the glow-to-arc transition current, glow voltage, and arc voltage . 18 Figure 8

47、 Test circuit for transverse voltage 19 Figure 9 Test circuit for dc holdover voltage, two-electrode GDTs 20 Figure 10 Test circuit for dc holdover voltage, three-electrode GDTs . 20 Figure 11 Circuit for nominal alternating discharge current, two-electrode GDTs 23 Figure 12 Circuit for nominal alte

48、rnating discharge current, three-electrode GDTs . 23 Figure 13 Circuit for nominal impulse discharge current, two-electrode GDTs 23 Figure 14 Circuit for nominal impulse discharge current, three-electrode GDTs 23 Figure 15 Circuit for life test with impulse current, two-electrode GDTs 24 Figure 16 C

49、ircuit for life test with impulse current, three-electrode GDTs . 24 Figure 17 Test circuit for alternating follow current . 25 Figure 18 Test circuit for fail-short (failsafe), two-electrode GDTs 26 Figure 19 Test circuit for fail-short (failsafe), three-electrode GDTs . 26 Table 1 DC and impulse sparkover voltage requirements, initial . 12 Table 2 Values of sparkover voltages after the tests of Table 5 14 Table 3 Values for different d.c. holdover voltage tests for two-e