BS-6878-1988 EN-50052-1986.pdf
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1、BRITISH STANDARD BS 6878:1988 EN 50052:1986 Incorporating Amendment Nos. 1 and 2 Specification for High-voltage switchgear and controlgear for industrial use Cast aluminium alloy enclosures for gas-filled high-voltage switchgear and controlgear This European Standard EN 50052 has the status of a Bri
2、tish Standard. UDC: 621.316.3.027.3 213.34:621.315.618:669.71:001.4:620.1 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 07:41:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6878:1988 This British Standard, having been prepared under the direction of the Power Electrical Engineering Standa
3、rds Committee, was published under the authority of the Board of BSI and comes into effect on 29 February 1988 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference PEL/92 Draft for comment 84/28846 DC ISBN 0 580 16550 7 Cooperating organizations The Europ
4、ean Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the National Committees of the following countries. AustriaLuxemburg BelgiumNetherlands DenmarkNorway FinlandPortugal FranceSpain GermanySweden GreeceSwitzerland Irela
5、ndUnited Kingdom Italy Amendments issued since publication Amd. No.Date of issueComments 6552April 1991 8052December 1993 Indicated by a sideline in the margin Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 07:41:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6878:1988 BSI 01-2000i Content
6、s Page Cooperating organizationsInside front cover National forewordii Brief history2 Foreword2 Text of EN 500525 National appendix WInside back cover National appendix XInside back cover Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 07:41:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 68
7、78:1988 ii BSI 01-2000 National foreword This British Standard has been prepared under the direction of the Power Electrical Engineering Standards Policy Committee and is the English language version of EN 50052:1986 and its Amendments A1:1990 and A2:1993 “Cast aluminium alloy enclosures for gas-fil
8、led high-voltage switchgear and controlgear” published by the European Committee for Electrotechnical Standardization (CENELEC). NOTEWith reference to note 3 of 4.2, it should be noted that the use of asbestos gaskets is being phased out as soon as possible. Terminology and conventions. The text of
9、the European Standard may use some terminology and conventions that differ from those commonly used in British Standards. Cross-references. Details of International Standards quoted in this standard for which there is an identical or technically equivalent British Standard are given in National appe
10、ndix X. Copies of ASTM documents may be purchased through BSI Sales Department, Linford Wood, Milton Keynes, MK14 6LE. Copies of CIATF documents may be purchased from: CIATF, Walchestrasse 27, Post Fach 7190, CH 8023, Zurich, Switzerland. The Technical Committee has reviewed the provisions of ISO 31
11、34:1985, ISO 6520:1982 (Parts 401, 506 and 5011) and ISO Guide 2:1976, to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of Briti
12、sh Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 18, an inside back co
13、ver 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 table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 07:41:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EURO
14、PEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50052 September 1986 + A1 February 1990 + A2 August 1993 UDC: 621.316.3.027.3 213.34:621.315.618:669.71:001.4:620.1Incorporates EN 50052:1986/AC 1:1987 Key words: Enclosure; high-voltage switching device; H.V. metal-enclosed switchgear and controlgear
15、; pressurized enclosure; casting; aluminium alloy casting English version Cast aluminium alloy enclosures for gas-filled high-voltage switchgear and controlgear (includes amendments A1:1990 + A2:1993) Enveloppes en alliage daluminium coul pour lappareillage haute tension sous pression de gaz (inclut
16、 les amendements A1:1990 + A2:1993) Kapselungen aus Leichtmetallguss fr gasgefllte Hochspannungs-Schaltgerte und-Schaltanlagen (enthlt nderungen A1:1990 + A2:1993) This European Standard was ratified by CENELEC on 7 March 1985. CENELEC members are bound to comply with the requirements of the CENELEC
17、 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 CENELEC General Secretariat or to
18、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 CENELEC General Secretariat has the same status as the of
19、ficial versions. CENELEC members are the national electrotechnical committees of: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Stan
20、dardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels CENELEC 1986. Copyright reserved to all CENELEC members Ref. No. EN 50052:1986 + A1:1990 + A2:1993 E Licensed Copy: sheffieldun sheffi
21、eldun, na, Tue Dec 05 07:41:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 50052:1986 BSI 01-2000 2 Foreword This European Standard has been prepared by CENELEC Technical Committee 17C: High voltage enclosed switchgear and controlgear. It is based on Amendment No. 2 to IEC Publication 517 (1975) w
22、hich gives, however, only general guidance not sufficient for the service allowance of pressurized high-voltage switchgear and controlgear. The present EN has been written to get an international specification for the design, construction, testing, inspection and certification of pressurized enclosu
23、res used in high-voltage switchgear and controlgear. This standard follows to that extent also, Article 2 of the Directive 76/767/EEC. This standard deals only with cast aluminium alloy enclosures. Other standards for metallic enclosures are under consideration and will be issued progressively. Refe
24、rence is made to IEC Publication 517 (1975): High-voltage metal-enclosed switchgear for rated voltages of 72,5 kV and above (HD 358) with its Amendments No. 1 (1977), No. 2 (1982) and No. 3 (1983). This European Standard contains a normative technical Annex A: Welder performance test. Brief history
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