BS-EN-60974-3-2003.pdf
《BS-EN-60974-3-2003.pdf》由会员分享,可在线阅读,更多相关《BS-EN-60974-3-2003.pdf(20页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 60974-3:2003 Arc welding equipment Part 3: Arc striking and stabilizing devices The European Standard EN 60974-3:2003 has the status of a British Standard ICS 25.160.30 ? Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 09:22:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
2、 BS EN 60974-3:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 5 November 2003 BSI 5 November 2003 ISBN 0 580 42894 X National foreword This British Standard is the official English language version of EN 60974-3:2003. It is identical wi
3、th IEC 60974-3:2003. The UK participation in its preparation was entrusted to Technical Committee WEE/6, Arc welding equipment, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards w
4、hich implement international 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 publi
5、cation does not purport 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 European co
6、mmittee any 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 t
7、o 16, an inside 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. DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 09:22:45 GMT+00:00 2006, Uncontrolled Copy, (
8、c) BSI EUROPEAN STANDARD EN 60974-3 NORME EUROPENNE EUROPISCHE NORM October 2003 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
9、 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60974-3:2003 E ICS 25.160.30 English version Arc welding equipment Part 3: Arc striking and stabilizing devices (IEC 60974-3:2003) Matriel de soudage larc Partie 3: Dispositifs
10、 damorage et de stabilisation de larc (CEI 60974-3:2003) Lichtbogenschweieinrichtungen Teil 3: Lichtbogenznd- und -stabilisierungseinrichtungen (IEC 60974-3:2003) This European Standard was approved by CENELEC on 2003-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulatio
11、ns 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 Central Secretariat or to any CENELEC member. This Eu
12、ropean 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 status as the official versions. CENELEC members ar
13、e the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldu
14、n sheffieldun, na, Thu Nov 09 09:22:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 67904-:30023 - - 2 Foreword The text of document 26/257/FDIS, future edition 1 of IEC 60974-3, prepared by IEC TC 26, Electric welding, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as E
15、N 60974-3 on 2003-10-01. This part shall be read in conjunction with EN 60974-1:1998. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2004-07-01 latest date by which the natio
16、nal standards conflicting with the EN have to be withdrawn (dow) 2006-10-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this standard, annex ZA is normative and annexes A and B are informative. Lannexe ZA a
17、t ajoute par le CENELEC. _ Endorsement notice The text of the International Standard IEC 60974-3:2003 was approved by CENELEC as a European Standard without any modification. _ Page 2 EN 609743:2003 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 09:22:45 GMT+00:00 2006, Uncontrolled Copy, (c
18、) BSI CONTENTS FOREWORD 2 1 Scope 4 2 Normative references. 4 3 Terms and definitions 4 4 Environmental conditions. 5 5 Test conditions 5 5.1 Type tests. 5 5.2 Routine tests 5 6 Protection against electric shock 5 6.1 Clearances . 5 6.2 Creepage distances 5 6.3 Isolation of the output circuit and ar
19、c striking and stabilizing voltage .6 6.4 Dielectric strength6 7 Thermal requirements.7 8 Abnormal operation.7 9 Thermal protection7 10 Connection to the input supply7 11 Output 7 11.1 Rated peak voltage7 11.2 Impulse current8 11.3 Mean energy10 11.4 Output circuit capacitance discharging.11 12 Cont
20、rol circuits11 13 Mechanical requirements11 14 Rating plate 11 15 Instructions and markings .12 Annex A (informative) Examples of coupling systems for arc striking and stabilizing devices .14 Annex B (informative) Example of a rating plate.15 15 iFugre 2 Msaerunig circiut for ridecc tontcat71. iFugr
21、e 3 Msaerunig circiut for serial cotncat 91.9 iFugre 4 Msaerunig circiut for capacitacne discharging 12.10 iFugre .A 1 xEmalpse fo coupling systmes for rac striking and stabilizing edvices 72. iFugre .B 1 Stna-dalone unit92 Tabl 1 e iniMmum lcaeracnes dna rceegape distances for ars ctrikidna gn stli
22、baizign circiust .11. Tlbae 2 M aximum ratep deak volatges 51. TNOCENTS FOREWORD 5 1Scope 7 2Nromative referecnse. 7 3Trems dna definiitons 7 4Environmenatl conditoisn. 9 5Tsec tonditinos .9 . .51Typset est. 9 .52Routine setst 9 6Protection gaaisnt elcertci shcok 9 .61Cleraances . 9 .62Creepage dist
23、ances 9 .63Isoltaino fo teh uoptut circuit and rac striking adn stabiilzing votlgae 11. .64Dielecrtic srtenght11 7Trehmar lequirmenest31. 8Anbromal poretaio31.n 9Trehmarp ltoceiton31 10Cnnoecitno ot teh pnitu lppusy31 11Outptu .31. 11.1 aRetd peak votlgae31 11.2 mIslupe current51 11.3 eMan erengy91
24、11.4 Outptu circuic tapacitacne dischraging12. 21oCrtnoc lircuist.12. 31ceMhnacial reuqrimenest12 41aRting pltae .12. 51snIrtuctoisn and marknisg 32. Annxe A (ifnromtaiv)e xEmaplse fo coulpins gystmes fro rac striking ans dtbailiizng edvices 72. wiB (ifnromative) Normative reference to ss Figure 1 M
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS EN 60974 2003
链接地址:https://www.31doc.com/p-3743735.html