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EN IEC 62793-2018 en Protection against lightning - Thunderstorm warning systems.pdf

1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Protection against lightning - Thunderstorm warning systemsBS EN IEC 62793:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62793 June 2018 ICS 29.020; 91.120.40 English Version Protection against lightning

2、- Thunderstorm warning systems (IEC 62793:2016) Protection contre la foudre - Dispositifs de dtection dorage (IEC 62793:2016) Blitzschutz - Gewitterwarnsysteme (IEC 62793:2016) This European Standard was approved by CENELEC on 2018-01-08. CENELEC members are bound to comply with the CEN/CENELEC Inte

3、rnal 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 application to the CEN-CENELEC Management Centre or to any

4、 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-CENELEC Management Centre has the same status as the off

5、icial 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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,

6、 Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung

7、CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 62793:2018 E National forewordThis British Standard is the UK implementation of EN IEC 62793:2018. It is i

8、dentical to IEC 62793:2016. It supersedes BS IEC 62793:2016, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee GEL/81, Protection against lightning.A list of organizations represented on this committee can be obtained on request to its secretary.This pub

9、lication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 51486 9ICS 29.020; 91.120.40Compliance with a British Standard cannot confe

10、r immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2015.Amendments/corrigenda issued since publicationDate Text affected30 June 2018 This corrigendum renumbers BS IEC 62793:2016 as BS EN IEC 62793:2018BRI

11、TISH STANDARDBS EN IEC 62793:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62793 June 2018 ICS 29.020; 91.120.40 English Version Protection against lightning - Thunderstorm warning systems (IEC 62793:2016) Protection contre la foudre - Dispositifs de dtection dorage (IEC 62793:2016) B

12、litzschutz - Gewitterwarnsysteme (IEC 62793:2016) This European Standard was approved by CENELEC on 2018-01-08. 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

13、 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 official versions (English, French, German). A version in any other lan

14、guage 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 electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, th

15、e 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, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

16、the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by

17、 any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 62793:2018 E BS EN IEC 62793:2018EN IEC 62793:2018 (E) 2 European foreword This document (EN IEC 62793:2018) consists of the text of IEC 62793:2016 prepared by IEC/TC 81 “Lightning protection“. The following dates are fixed: latest d

18、ate by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-12-15 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2021-06-15 Attention is drawn to the possibilit

19、y that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62793:2016 was approved by CENELEC as a European Standard without any m

20、odification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61400-24:2010 NOTE Harmonized as EN 61400-24:2010. IEC 62561-1:2012 NOTE Harmonized as EN 62561-1:2012 (modified). IEC 62561-4:2010 NOTE Harmonized as EN 62561-4:2011 (modifi

21、ed). IEC 60068-2-75:2014 NOTE Harmonized as EN 60068-2-75:2014. IEC 60529 NOTE Harmonized as EN 60529. IEC 61180-1:1992 NOTE Harmonized as EN 61180-1:1994. IEC 61000-6-4:2006 NOTE Harmonized as EN 61000-6-4:2007. IEC 62305-1:2010 NOTE Harmonized as EN 62305-1:2011 (modified). IEC 62305-2 NOTE Harmon

22、ized as EN 62305-2. BS EN IEC 62793:2018EN IEC 62793:2018 (E) 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of their content constitutes requi

23、rements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relev

24、ant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 62305 Series Protection against lightning EN 62305 Series BS EN IEC 62793:2018This page deliberately left bl

25、ank 2 IEC 62793:2016 IEC 2016 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references. 9 3 Terms, definitions and abbreviations 9 3.1 Terms and definitions 9 3.2 Abbreviations 12 4 Thunderstorm phases and detectable phenomena for alarming . 13 4.1 Introductory remark . 13 4.2 Phase 1

26、 Initial phase (cumulus stage) . 13 4.3 Phase 2 Growth phase . 13 4.4 Phase 3 Mature phase 13 4.5 Phase 4 Dissipation phase . 13 5 Classification of thunderstorm detection devices and their properties 14 6 Alarm method 15 6.1 General . 15 6.2 Areas 16 6.2.1 Target area (TA) 16 6.2.2 Surrounding area

27、 (SA) . 16 6.2.3 Monitoring area (MA) . 17 6.2.4 Coverage area (CA) . 17 6.3 Alarm triggering 17 6.4 Alarm information delivery . 19 7 Installation and maintenance 19 8 Alarm evaluation 19 8.1 General . 19 8.2 Evaluation of TWS by using lightning location data 21 8.3 Fine tuning of TWS by processing

28、 archived data 21 9 Thunderstorms warning systems application guide . 21 9.1 General . 21 9.2 Procedure . 22 9.2.1 General . 22 9.2.2 Step 1 Identification of hazardous situations 22 9.2.3 Step 2 Determination of type of loss 22 9.2.4 Step 3 Risk control 23 Annex A (informative) Overview of the ligh

29、tning phenomena . 25 A.1 Origin of thunderclouds and electrification . 25 A.2 Lightning phenomena 25 A.3 Electric thunderstorm and lightning characteristics useful for prevention 26 A.3.1 Electrostatic field 26 A.3.2 Electromagnetic fields 27 A.3.3 Other parameters useful in lightning detection 27 A

30、nnex B (informative) Thunderstorm detection techniques 28 B.1 Introductory remarks . 28 B.2 Detection techniques and parameters to qualify a sensor 28 2 IEC 62793:2016 IEC 2016 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references. 9 3 Terms, definitions and abbreviations 9 3.1 Ter

31、ms and definitions 9 3.2 Abbreviations 12 4 Thunderstorm phases and detectable phenomena for alarming . 13 4.1 Introductory remark . 13 4.2 Phase 1 Initial phase (cumulus stage) . 13 4.3 Phase 2 Growth phase . 13 4.4 Phase 3 Mature phase 13 4.5 Phase 4 Dissipation phase . 13 5 Classification of thun

32、derstorm detection devices and their properties 14 6 Alarm method 15 6.1 General . 15 6.2 Areas 16 6.2.1 Target area (TA) 16 6.2.2 Surrounding area (SA) . 16 6.2.3 Monitoring area (MA) . 17 6.2.4 Coverage area (CA) . 17 6.3 Alarm triggering 17 6.4 Alarm information delivery . 19 7 Installation and m

33、aintenance 19 8 Alarm evaluation 19 8.1 General . 19 8.2 Evaluation of TWS by using lightning location data 21 8.3 Fine tuning of TWS by processing archived data 21 9 Thunderstorms warning systems application guide . 21 9.1 General . 21 9.2 Procedure . 22 9.2.1 General . 22 9.2.2 Step 1 Identificati

34、on of hazardous situations 22 9.2.3 Step 2 Determination of type of loss 22 9.2.4 Step 3 Risk control 23 Annex A (informative) Overview of the lightning phenomena . 25 A.1 Origin of thunderclouds and electrification . 25 A.2 Lightning phenomena 25 A.3 Electric thunderstorm and lightning characterist

35、ics useful for prevention 26 A.3.1 Electrostatic field 26 A.3.2 Electromagnetic fields 27 A.3.3 Other parameters useful in lightning detection 27 Annex B (informative) Thunderstorm detection techniques 28 B.1 Introductory remarks . 28 B.2 Detection techniques and parameters to qualify a sensor 28 BS

36、 EN IEC 62793:2018IEC 62793:2016 IEC 2016 3 B.2.1 General . 28 B.2.2 Class A 28 B.2.3 Class B 29 B.2.4 Class C 29 B.2.5 Class D 29 B.3 Location techniques 29 B.3.1 General . 29 B.3.2 Multi-sensor location techniques 29 B.3.3 Single sensor techniques . 30 B.4 Thunderstorm detectors evaluation . 31 B.

37、5 Choosing a thunderstorm detection system . 31 Annex C (informative) Examples of application of thunderstorm warning systems 32 C.1 Example n 1 Telecommunication tower . 32 C.1.1 Step 1: Identification of hazardous situations . 32 C.1.2 Step 2: Determination of type of loss . 32 C.1.3 Step 3: Risk

38、control 33 C.2 Example n 2 Golf course . 33 C.2.1 Step 1: Identification of hazardous situations 33 C.2.2 Step 2: Determination of type of loss . 34 C.2.3 Step 3: Risk control 35 Annex D (informative) Catalogue of possible recommended preventive actions to be taken 36 Annex E (informative) Example o

39、f TWS evaluation on a wind turbine site 38 Annex F (informative) How to test thunderstorm detectors 40 F.1 General . 40 F.2 Laboratory tests 40 F.2.1 General . 40 F.2.2 Resistance to UV radiation tests (for non-metallic sensor housing) 40 F.2.3 Resistance tests to corrosion (for metallic parts of se

40、nsor) 41 F.2.4 Mechanical tests 41 F.2.5 Index of protection confirmation (IP Code) 42 F.2.6 Electric tests 42 F.2.7 Marking test . 43 F.2.8 Electromagnetic compatibility (EMC) 43 F.3 Optional tests on an open air platform under natural lightning conditions 43 Bibliography . 47 Figure 1 Examples of

41、different target area shapes 16 Figure 2 Example of the distribution of the coverage area (CA), the monitoring area (MA), the target area (TA), and surrounding area (SA) . 17 Figure 3 Example of an alarm . 18 Figure A.1 Standard lightning classifications . 26 Figure D.1 Procedure flow chart . 37 Fig

42、ure E.1 Lightning activity around the site for a period of eight years . 38 Figure F.1 Difference in electric field measurement during one thunderstorm event 45 Table 1 Lightning detector properties . 15 BS EN IEC 62793:2018 4 IEC 62793:2016 IEC 2016 Table 2 Contingency table 20 Table 3 Identificati

43、on of hazardous situations . 22 Table 4 Loss concerning people . 23 Table 5 Loss concerning goods 23 Table 6 Loss concerning services . 23 Table 7 Loss concerning environment. 23 Table 8 Risk control . 24 Table C.1 Identification of hazardous situations 32 Table C.2 Loss concerning goods . 32 Table

44、C.3 Loss concerning services . 33 Table C.4 Loss concerning environment . 33 Table C.5 Risk control 33 Table C.6 Identification of hazardous situations 34 Table C.7 Loss concerning people 34 Table C.8 Loss concerning goods . 34 Table C.9 Loss concerning services . 34 Table C.10 Loss concerning envir

45、onment . 35 Table C.11 Risk control 35 Table E.1 Results of TWS evaluation based on archived lightning data for an 8-year period (2000 to 2007), when some of the key parameters (size of MA, trigger parameters and dwell time) were varied 39 BS EN IEC 62793:2018IEC 62793:2016 IEC 2016 5 INTERNATIONAL

46、ELECTROTECHNICAL COMMISSION _ PROTECTION AGAINST LIGHTNING THUNDERSTORM WARNING SYSTEMS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is

47、to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and

48、Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the I

49、EC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from al

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