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1、BRITISH STANDARD BS EN 50164-2:2002 Incorporating Amendment No. 1 Lightning protection components (LPC) Part 2: Requirements for conductors and earth electrodes The European Standard EN 50164-2:2002, with the incorporation of amendment A1:2006, has the status of a British Standard ICS 91.120.40 ? BS
2、 EN 50164-2:2002 This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 17 December 2002 BSI 2006 ISBN 0 580 40993 7 National foreword This Briti
3、sh Standard is the official English language version of EN 50164-2:2002, incorporating amendment A1:2006. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text
4、altered by CEN amendment A1 is indicated by !“. The UK participation in its preparation was entrusted to Technical Committee GEL/81, Lightning protection. A list of organizations represented on GEL/81 can be obtained on request to its secretary. This publication does not purport to include all the n
5、ecessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments 1673731 October 2006See national foreword EUROPEAN STANDARDEN 50164-2 NORM
6、E EUROPENNE EUROPISCHE NORM August 2002 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2002 CENELEC -All rights of exploitation
7、 in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50164-2:2002 E ICS 91.120.40 English version Lightning protection components (LPC) Part 2: Requirements for conductors and earth electrodes Composants de protection contre la foudre (CPF) Partie 2: Caractristiques des
8、conducteurs et des lectrodes de terre Blitzschutzbauteile Teil 2: Anforderungen an Leitungen und Erder This European Standard was approved by CENELEC on 2002-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
9、tandard 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 Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English,
10、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 Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgi
11、um, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. August 2006 +A1 EN 50164-2:2002- 2 - Foreword This European Standard was prepared by the Technic
12、al Committee CENELEC TC 81X, Lightning protection. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50164-2 on 2002-03-01. The following dates were fixed: -latest date by which the EN has to be implemented at national level by publication of an
13、 identical national standard or by endorsement(dop)2003-03-01 -latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 2005-03-01 Annexes designated “normative“ are part of the body of the standard. In this standard, annexes A, B, C and D are normative. _ Forewo
14、rd to amendment A1 This amendment was prepared by the Technical Committee CENELEC TC 81X, Lightning protection. The text of the draft was submitted to the formal vote and was approved by CENELEC as amendment A1 to EN 50164-2:2002 on 2006-03-01. The following dates were fixed: latest date by which th
15、e amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-03-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2009-03-01 _ - 3 -EN 50164-2:2002 Contents Page 1 Scope . 4 2
16、Normative references. 4 3 Definitions. 4 4 Requirements. 5 4.1 Documentation 5 4.2 Air termination conductors, air termination rods and down conductors . 6 4.3 Earth electrodes 8 5 Tests. 12 5.1 General condition for tests 12 5.2 Air termination conductors, air termination rods, earth lead-in rods,
17、down conductors and earth conductors 12 5.3 Earth rods . 13 5.4 Joints for earth rods . 13 6 Electromagnetic compatibility (EMC). 14 Annex A (normative) Environmental test for conductors, air termination rods and earth lead-in rods. 17 Annex B (normative) Environmental test for earth conductors, ear
18、th rods and earth lead-in rods. 18 Annex C (normative) Requirements for minimum cross sectional area, mechanical and electrical characteristics, tests to be applied. 19 Annex D (normative) Requirements for minimum dimensions, mechanical and electrical characteristics, tests to be applied 20 Figure 1
19、 Typical test arrangement for the compression test by manual means 15 Figure 2 Typical test arrangement for the compression test by mechanical means. 15 Figure 3 Typical test arrangement for adhesion test 16 Table 1 Material, configuration and minimum cross sectional area of air termination conducto
20、rs, air termination rods, earth lead-in rods and down conductors 7 Table 2 Mechanical and electrical characteristics of air termination conductors, air termination rods, earth lead-in rods and down conductors . 8 Table 3 Material, configuration and minimum dimensions of earth electrodes. 10 Table 4
21、Mechanical and electrical characteristics of earth electrodes 11 Table B.1 Aqueous solution composition. 18 EN 50164-2:2002- 4 - 1Scope This European Standard specifies the requirements and tests for -metallic conductors (other than “natural“ conductors) that form part of the air termination system
22、and down conductors, -metallic earth electrodes that form part of the earth termination system. Lightning protection components (LPC) may also be suitable for use in hazardous atmospheres. Regard should then be taken of the extra requirements necessary for the components to be installed in such cond
23、itions. 2Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or
24、 revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 50164-11999Lightning protection components (LPC) - Part 1: Requir
25、ements for connection components EN 60068-2-521996Environmental testing - Part 2: Tests - Test Kb: Salt mist, cyclic (sodium chloride solution) (IEC 60068-2-52:1996) IEC 61024-1-21998Protection of structures against lightning - Part 1-2: General Principles - Guide B - Design, installation, maintenan
26、ce and inspection of lightning protection systems 3Definitions For the purpose of this standard, the following definitions apply. 3.1 air termination system part of an external lightning protection system which is intended to intercept and conduct lightning flashes 3.2 air termination rod or air ter
27、mination conductor part of the air termination system for intercepting and conducting direct lightning flashes to the structure 3.3 down conductor part of an external lightning protection system which is intended to conduct lightning current from the air-termination system to the earth-termination s
28、ystem EN ISO 1460 1994Metallic coatings - Hot dip galvanized coatings on ferrous materials - Gravimetric determination of the mass per unit area (ISO 1460:1992) ! “ EN ISO 69881994Metallic and other non-organic coatings - Sulfur dioxide test with general condensation of moisture (ISO 6988:1985) - 5
29、-EN 50164-2:2002 3.4 earth termination system part of an external lightning protection system which is intended to conduct and disperse lightning current to the earth 3.5 earth electrode part or group of parts of the earth-termination system which provides direct electrical contact with and disperse
30、s the lightning current to the earth NOTE Typical examples are earth rod, earth conductor and earth plate. 3.6 earth rod earth electrode consisting of a metal rod driven into the ground IEC 60050 (604-04-06) 3.7 earth conductor earth electrode consisting of a conductor buried in the ground 3.8 earth
31、 plate earth electrode consisting of a metal plate buried in the ground IEC 60050 (604-04-06) 3.9 joint for earth rod part of the earth termination system that facilitates the coupling of one section of an earth rod to another, for the purpose of deep driving 3.10 driving head tool that is used in t
32、hose applications where it is necessary to drive the earth rod 3.11 earth lead-in rod rod which is installed between the down conductor/test joint and the earth electrode NOTE Earth lead-in rods are used to improve mechanical stability. 4Requirements Conductors and earth electrodes shall be so desig
33、ned and constructed that in normal use their performance is reliable and without danger to persons and the surrounding. The choice of a material depends on its ability to match the particular application requirements. 4.1Documentation The manufacturer or supplier of the conductors and earth electrod
34、es shall provide adequate information in his literature to ensure that the installer of the conductors and earth electrodes can select and install the materials in a suitable and safe manner, in accordance with IEC 61024-1-2. Compliance is checked by inspection. EN 50164-2:2002- 6 - 4.2Air terminati
35、on conductors, air termination rods and down conductors The material, configuration and minimum cross sectional area of the conductors, shall be in accordance with Table 1. Their mechanical and electrical characteristics shall be in accordance with Table 2. Other materials may be used if they posses
36、s equivalent mechanical and electrical characteristics and corrosion resistance properties for the intended application. Other configurations may be used if the relevant dimensions are met. The materials given in Table 1 may be covered with a coating of either plastic material such as ultra violet s
37、tabilized polyvinyl chloride (pvc), or equivalent material, depending on its application. NOTE 1 Requirements and tests for ultra violet stabilized materials are under consideration. Coated conductors shall be corrosion resistant and the coating shall exhibit good adherence to the base material. Com
38、pliance is checked by the test of 5.2. NOTE 2 A summary of requirements for minimum cross sectional area, mechanical and electrical characteristics as well as tests is given in Annex C. - 7 -EN 50164-2:2002 Table 1 - Material, configuration and minimum cross sectional area of air termination conduct
39、ors, air termination rods, earth lead-in rods and down conductors MaterialConfigurationMinimum cross sectional areaa Comments Solid tape50 mm2 mm min. thickness Solid rounde50 mm8 mm diameter Stranded50 mm1,7 mm min. diameter of each strand Copper Solid roundf,g200 mm16 mm diameter Solid tape50 mm2
40、mm min. thickness Solid rounde50 mm8 mm diameter Stranded50 mm1,7 mm min. diameter of each strand Tin plated copperb Solid roundf,g200 mm16 mm diameter Solid tape70 mm3 mm min. thickness Solid round50 mm8 mm diameter Aluminium Stranded50 mm1,7 mm min. diameter of each strand Solid tape50 mm 2,5 mm m
41、in. thickness Solid round50 mm8 mm diameter Stranded50 mm1,7 mm min. diameter of each strand Aluminium alloy Solid roundf200 mm16 mm diameter Solid tape50 mm2,5 mm min. thickness Solid round50 mm8 mm diameter Stranded50 mm1,7 mm min. diameter of each strand Galvanized steelc Solid roundf,g200 mm16 m
42、m diameter Solid tapeh50 mm2 mm min. thickness Solid roundh50 mm8 mm diameter Stranded70 mm1,7 mm min. diameter of each strand Stainless steeld Solid roundf,g200 mm16 mm diameter a Allowable tolerance: - 3 %. b Hot dipped or electroplated; minimum thickness coating of 1 micron. d Chromium 16 %; Nick
43、el 8 %; Carbon 0,07 %. e 50 mm (8 mm diameter) may be reduced to 28 mm (6 mm diameter) in certain applications where mechanical strength is not an essential requirement. Consideration should in this case, be given to reducing the spacing of the fasteners. f Applicable for air termination rods only.
44、For applications where mechanical stress such as wind loading is not critical, a 10 mm diameter, 1 m long maximum air termination rod may be used. g Applicable for earth lead-in rods only. h If thermal and mechanical considerations are important then these values should be increased to 78 mm (10 mm
45、diameter) for solid round and 75 mm (3 mm minimum thickness) for solid tape. !c The coating should be smooth continuous and free from flux stains with a minimum weight of 350 g/m2 for solid round material and 500 g/m2 for solid tape material. The coating can be measured in accordance with EN ISO 146
46、0 with a sample length of approximately 200 mm.“ EN 50164-2:2002- 8 - 4.3Earth electrodes The minimum cross sectional area of earth electrodes, its material and its configuration shall be in accordance with Table 3. Its mechanical and electrical characteristics shall be in accordance with Table 4. O
47、ther materials may be used if they possess equivalent mechanical and electrical characteristics and corrosion resistance properties for the intended application. Other configurations may be used if the relevant dimensions are met. NOTE 1 Aluminium/aluminium alloy should not be buried in the ground.
48、NOTE 2 A summary of requirements for minimum dimensions, mechanical and electrical characteristics as well as tests is given in Annex D. 4.3.1Earth rods Earth rods shall be mechanically robust to ensure correct installation. The choice of material shall be sufficiently malleable to ensure no crackin
49、g of the rod takes place during installation. The threads on the rods if any shall be smooth and fully formed. For coated rods, the coating shall extend over the threads. A lead in chamfer or point is recommended to facilitate driving. NOTE For electroplated rods such as copper coated rods, it is desirable to thread roll the thread profile to ensure no copper is removed from the steel. Compliance is checked by in