BS EN 60305-1996 Insulators for overhead lines with a nominal voltage above 1 kV Ceramic or glass insulator units for a c systems Characteristics of insulator units of the cap and .pdf
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1、BRITISH STANDARD BS EN 60305:1996 IEC 305:1995 Insulators for overhead lines with a nominal voltage above 1 kV Ceramic or glass insulator units for a.c. systems Characteristics of insulator units of the cap and pin type The European Standard EN 60305:1996 has the status of a British Standard ICS 29.
2、080.10BSEN 60305:1996 This British Standard, having been prepared under the directionof the Electrotechnical Sector Board, was published underthe authority of the Standards Board and comes intoeffect on 15 August 1996 BSI 02-1999 The following BSI references relate to the work on this standard: Comm
3、ittee reference PEL/36/2 Draft for comment 93/217038 DC ISBN 0 580 26155 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committee PEL/36, Insulators for power systems, to Subcommittee PEL/36/2, Line insulators, upon which the fo
4、llowing bodies were represented: Association of Consulting Engineers BEAMA Electrical Cable and Conductor Accessory Manufacturers Association British Industrial Ceramic Manufacturers Association British Railways Board Electrical and Electronic Insulation Association (BEAMA Ltd.) Electricity Associat
5、ion Amendments issued since publication Amd. No. Date CommentsBSEN 60305:1996 BSI 02-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 1 Scope and object 3 2 Normative references 3 3 Mechanical and dimensional characteristics 3 4 Designation and marking 3
6、 5 Tolerances 4 Annex ZA (normative) Normative references to international publications with their corresponding European publications 7 Figure 1 String insulator unit with ball and socket couplings 4 Figure 2 String insulator unit with clevis and tongue couplings 6 Table 1 Specified values of mecha
7、nical and dimensional characteristics for string insulator units with ball and socket couplings 5 Table 2 Specified values of mechanical and dimensional characteristics for string insulator units with clevis and tongue couplings 6 List of references Inside back coverBSEN 60305:1996 ii BSI 02-1999 Na
8、tional foreword This British Standard has been prepared by Subcommittee PEL/36/2 and is the English language version of EN 60305:1996 Insulators for overhead lines with a nominal voltage above 1 kV Ceramic or glass insulator units for a.c. systems characteristics of insulator units of the cap and pi
9、n type, published by the European Committee for Electrotechnical standardization (CENELEC). It is identical with IEC 305:1995 published by the International Electrotechnical Commission (IEC). The foreword of the EN makes reference to the “date of withdrawal”, dow, of the relevant national standard.
10、In this case the relevant national standard is BS 137-2:1973 which will be withdrawn on 1996-12-01. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard
11、does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding British Standard HD 474 S1 (IEC 120:1984) BS 3288 Insulator and conductor fittings for overhead power lines Part 3:1989 Dimensions of ball and socket couplings of string insulator units
12、Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theENtitle page, pages 2 to 8, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment t
13、able on theinside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60305 March 1996 ICS 29.080.10 Descriptors: Insulators, overhead lines, ceramic or glass insulators, insulator units of the cap and pin type English version Insulators for overhead lines with a nominal voltage above1k
14、V Ceramic or glass insulator units for a.c. systems Characteristics of insulator units of the cap and pin type (IEC 305:1995) Isolateurs pour lignes ariennes de tension nominale suprieure 1 kV Elments disolateurs en matire cramique ou en verre pour systmes courant alternatif Caractristiques des lmen
15、ts disolateurs du type capot et tige (CEI 305:1995) Isolatoren fr Freileitungen mit einer Nennspannung ber 1 kV Keramik- oder Glasisolatoren fr Wechselpannungssysteme Kenngren von Kappenisolatoren (IEC 305:1995) This European Standard was approved by CENELEC on 1996-03-05. CENELEC members are bound
16、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 application to the Cent
17、ral Secretariat 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 Central Secretariat has the same st
18、atus as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee fo
19、r Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1996 Copyright reserved to CENELEC members Ref. No. EN 60305:1996 EEN60305:1996 BSI 02-1999 2 Foreword The text
20、 of document 36B/139/DIS, future edition 4 of IEC 305, prepared by SC 36B, Insulators for overhead lines, of IEC TC 36, Insulators, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60305 on 1996-3-05. The following dates were fixed: Annexes designated “normative” are
21、part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 1996-12-01 latest date by which the national sta
22、ndards conflictingwith the EN haveto be withdrawn (dow) 1996-12-01EN60305:1996 BSI 02-1999 3 1 Scope and object This International Standard applies to string insulator units of the cap and pin type with insulating parts of ceramic material or glass, intended for a.c. overhead lines with a nominal vo
23、ltage greater than 1000 V and a frequency not greater than 100 Hz. It also applies to insulators of similar design used in substations. This standard applies to string insulator units of the cap and pin type either with ball and socket couplings or with clevis and tongue couplings. This standard app
24、lies to string insulator units for use on overhead lines in clean areas and polluted areas. For use in areas characterized by very heavy pollution levels and for other particular or extreme environmental conditions, it may be necessary for certain dimensions to be changed and insulator units having
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