BS EN 50387-2003 Busbar bushings up to 1 kV and from 1 25 kA to 5 kA for liquid filled transformers《充液变压器用1KV以下和125A至5KA的母线套管》.pdf
《BS EN 50387-2003 Busbar bushings up to 1 kV and from 1 25 kA to 5 kA for liquid filled transformers《充液变压器用1KV以下和125A至5KA的母线套管》.pdf》由会员分享,可在线阅读,更多相关《BS EN 50387-2003 Busbar bushings up to 1 kV and from 1 25 kA to 5 kA for liquid filled transformers《充液变压器用1KV以下和125A至5KA的母线套管》.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS EN 50387:2002 Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers The European Standard EN 50387:2002 has the status of a British Standard ICS 29.180 BS EN 50387:2002 This British Standard, was published under the authority of the Standards Policy
2、and Strategy Committee on 28 July 2003 BSI 28 July 2003 ISBN 0 580 42346 8 National foreword This British Standard is the official English language version of EN 50387:2002. It supersedes BS 7877:1999 which will be withdrawn on 2005-10-01. The UK participation in its preparation was entrusted by Tec
3、hnical Committee PEL/36, Insulators for power systems, to Subcommittee PEL/36/1, Bushing insulators, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement internati
4、onal or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport
5、to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee an
6、y enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an in
7、side back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD EN 50387 NORME EUROPENNE EUROPISCHE NORM November 2002 CENELEC European Committee for Electro
8、technical 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 in any form and by any means reserved worldwide for CENELEC members. Ref. No
9、. EN 50387:2002 E ICS 29.180 Supersedes HD 607 S1:1996English version Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers Traverses passe-barres jusqu 1 kV et de 1,25 kA 5 kA, pour transformateurs remplissage de liquide Schienendurchfhrungen bis 1 kV und von 1,25 kA b
10、is 5 kA fr flssigkeitsgefllte Transformatoren This European Standard was approved by CENELEC on 2002-10-01. 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 alt
11、eration. 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, French, German). A version in any other language made by
12、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, Belgium, Czech Republic, Denmark, Finland, France, Germany, Gr
13、eece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EN 50387:2002 - 2 - Foreword The text of the Harmonization Document HD 607 S1, prepared by the Technical Committee CENELEC TC 36A, Insulated bushings, wa
14、s approved by CENELEC on 1995-11-28. This Harmonization Document was submitted to the formal vote for conversion into a European Standard and was approved by CENELEC as EN 50387 on 2002-10-01. The following date was fixed: latest date by which the EN has to be implemented at national level by public
15、ation of an identical national standard or by endorsement (dop) 2003-10-01 _ - 3 - EN 50387:2002 Contents Page Introduction4 1 Scope.4 2 Definitions.4 3 Requirements4 3.1 Application4 3.2 Standard value of rated voltage (U r ) 4 3.3 Standard values of rated current (I r ) 4 3.4 Minimum nominal creep
16、age distance.4 3.5 Dielectric characteristics.4 3.6 Dimensions.5 Figure 1 Moulded indoor busbar bushing .5 Table 1 Standard dimensions.6 EN 50387:2002 - 4 - Introduction The object of this standard is to specify the cut-out in the cover or tank wall and details of the insulator and its mounting to e
17、nsure interchangeability of busbar insulators for rated voltages up to 1 000 V and rated currents from 1 250 A up to 5 000 A for insulating liquid filled transformers. 1 Scope This standard is applicable to moulded indoor busbar bushings for rated voltages up to 1 000 V, rated currents from 1 250 A
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- BSEN503872003BUSBARBUSHINGSUPTO1KVANDFROM125KATO5KAFORLIQUIDFILLEDTRANSFORMERS 变压 器用 KV 以下 125 KA 母线
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