BS EN 61229-1996 Rigid protective covers for live working on a c installations《交流设备带电作业用刚性保护罩》.pdf

1、BRITISH STANDARD BS EN 61229:1996 Incorporating Amendments Nos. 1 and 2 Rigid protective covers for live working on a.c. installations The European Standard EN 61229:1995, with the incorporation of amendment A1:1998 and A2:2002, has the status of a British Standard ICS 13.340.20; 29.020 BS EN 61229:

2、1996 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 July 1996 BSI 20 February 2003 The following BSI references relate to the work on this standard: Committee r

3、eference PEL/78 Draft for comment 93/28752 DC ISBN 0 580 25643 X Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PEL/78, Tools for live working, upon which the following bodies were represented: Chief and Assistant Chief

4、Fire Officers Association Department of Trade and Industry Electricity Association Federation of British Hand Tool Manufacturers GAMBICA (BEAMA Ltd.) Health and Safety Executive Industrial Safety (Protective Safety Association) National Association of Glove Manufacturers Amendments issued since publ

5、ication Amd. No. Date Comments 13490 29 March 2002 See national foreword 14107 20 February 2003 See national forewordBS EN 61229:1996 BSI 20 February 2003 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 61229 5 National annex NA (informative) Orig

6、inal IEC text amended by CENELEC common modifications 38BS EN 61229:1996 ii BSI 20 February 2003 National foreword This British Standard has been prepared by Technical Committee PEL/78 and is the English language version of EN 61229:1995 Rigid protective covers for live working on a.c. installations

7、, including amendments A1:1998 and A2:2002, published by the European Committee for Electrotechnical Standardization (CENELEC). It was derived by CENELEC from IEC 1229:1993, including amendments 1:1998, 2:2002 and corrigendum 1:2000, published by the International Electrotechnical Commission (IEC) a

8、nd prepared by IEC Technical Committee No. 78, Tools for live working. The CENELEC common modifications have been implemented at the appropriate places in the text. The start and finish of each common modification is indicated in the text by tags . Where a common modification has been introduced by

9、amendment, the tags carry the number of the amendment. For example, the common modifications introduced by CENELEC amendment A11 are indicated by . The start and finish of text introduced or altered by amendment is indicated in the text by tags . Tags indicating changes to IEC text carry the number

10、of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by . Parts of the original IEC text that have been modified by CENELEC have been quoted in National annex NA. Corrigendum 1:2000 replaces all references to IEC 410 with IEC 61318 or ISO 2859-1, as appropriate. For ease o

11、f reproduction the French text has been retained in some of the annexes. Additional information The graphic signs, symbols and letters used in this standard may be found in the following British Standards: Cross-references The British Standards which implement international or European publications

12、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 Electornic Catalogue or of British Standards Online. This publication does not purport to include all the necessary p

13、rovisions of a contract. Users of British Standards are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. BS 3939 Graphic symbols for electrical power, telecommunications and electronic diagrams Part 1:1986 (related

14、 to IEC 617-1) General information, general index Part 2:1985 (identical with IEC 617-2) Symbol elements, qualifying symbols and other symbols having general application Summary of pages This document comprises a front cover, an inside front cover, pages i to ii, the EN title page, pages 2 to 41 and

15、 a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61229 December 1995 + A1 April 1998 + A2 August 2002 ICS 13.340.20 Descriptors: Hot-line works, safety device, rigid protective cover, p

16、erformance evaluation, tests English version Rigid protective covers for live working on a.c. installations ( i n c l u d e s a m e n d m e n t s A 1 : 1 9 9 8 + A 2 : 2 0 0 2 ) (IEC 1229:1993 + A1:1998 + A2:2002, modified) Protecteurs rigides pour travaux sous tension sur des installations courant

17、alternatif (inclut les amendements A1:1998 + A2:2002) (CEI 1229:1993 + A1:1998 + A2:2002, modifie) Starre Schutzabdeckungen zum Arbeiten unter Spannung in Wechselspannungsanlagen (enthlt nderungen A1:1998 + A2:2002) (IEC 1229:1993 + A1:1998 + A2:2002, modifiziert) This European Standard was approved

18、 by CENELEC on1995-07-04. 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 alteration. Up-to-date lists and bibliographical references concerning such national

19、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 translation under the responsibility of a CENELEC member into its own language and

20、 notified to the Central Secretariat has the same status 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, Switzerla

21、nd and United Kingdom. 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 1995 Copyright reserved to CENELEC members Ref. No. EN 6122

22、9:1995 + A1:1998 + A2:2002 EEN 61229:1995 BSI 20 February 2003 2 Foreword The text of the International Standard IEC 1229:1993, prepared by IEC TC 78, Tools for live working, together with common modifications prepared by the Technical Committee CENELEC TC 78, was submitted to the formal vote and wa

23、s approved by CENELEC as EN 61229 on 1995-07-04. The following dates were fixed: For products which have complied with the relevant national standard before 1996-07-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 2001-07-

24、01. Annexes designated “normative” are part of the body of the standard. Annexes designated “informative” are given only for information. In this standard, Annex A, Annex B, Annex C, Annex D, Annex E, Annex F and Annex G and Annex ZA are normative and Annex H, Annex J and Annex K are informative. An

25、nex ZA has been added by CENELEC. Foreword to amendment A1 The text of document 78/236/FDIS, future amendment 1 to IEC 61229:1993, prepared by IEC TC 78, Live working, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 61229:1995 on 1998-04-01. The follo

26、wing dates were fixed: Endorsement notice The text of amendment 1:1998 to the International Standard IEC 61229:1993 was approved by CENELEC as an amendment to the European Standard without any modification. As a consequence of endorsing this amendment 1 to IEC 61229:1993, clause 11 of EN 61229:1995

27、is withdrawn. It is replaced by the modified clause 8. Foreword to amendment A2 The text of document 78/439/FDIS, future amendment 2 to IEC 61229:1993, prepared by IEC TC 78, Live working, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A2 to EN 61229:1995 on

28、2002-07-01. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of amendment 2:2002 to the International Standard IEC 61229:1993 was approved by C

29、ENELEC as an amendment to the European Standard without any modification. latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 1996-07-01 latest date by which national standards conflicting with the EN have to be

30、 withdrawn (dow) 1996-07-01 latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 1999-01-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2001-01-01

31、latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2003-04-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2005-07-01EN 61229:1995 BSI 20 February

32、 2003 3 Contents Page Foreword 2 1S c o p e 5 2 Normative references 5 3 Definitions 6 3.1 Terms defined in accordance with IEC 50(121), IEC 50(151) and IEC 50(601) 6 3.2 Terms defined in accordance with IEC 61318 6 3.3 Terms defined in accordance with IEC 743 7 3.4 Definitions of special terms used

33、 in this standard 7 4 Classification 8 5 Physical requirements 8 5.1 Shape and dimensions 8 5.2 Material 9 5.3 Workmanship and finish 9 5.4 Marking 9 6T e s t s 9 6.1 General 9 6.2 Visual inspection 10 6.3 Mechanical tests 10 6.4 Dielectric tests 11 6.5 Ozone resistance 16 7 Tests on covers with spe

34、cial properties 16 8 Sampling procedure 17 9 Acceptance tests 17 10 Recommendations for in-service care 17 11 Quality assurance plan 17 Annex A (normative) Marking 21 Annex B (normative) List and classification of tests 22 Annex C (normative) Test circuit and drawing for guard electrodes and support

35、s 23 Annex D (normative) Mechanical shock test 25 Annex E (normative) Potential electrodes for covers protecting live parts and mechanical positioning of covers 27 Annex F (normative) Sampling procedure 31 Annex G (normative) Electrical limits for the use of rigid protective covers 31 Annex H (infor

36、mative) Recommendations for in-service care 33 Page Annex J (informative) Example of handling adapter 34 Annex K (informative) Acceptance tests 35 Annex ZA (normative) Normative references to international publications with their corresponding European publications 37 Figure 1 Outer electrode design

37、 and test arrangement for proof test A1 18 Figure 2 Outer electrode design and test arrangement for proof test A2 19 Figure 3 Outer electrode design and test arrangement for withstand tests B1 and B2 20 Figure C.1 Test circuit 23 Figure C.2 Construction drawing for guard electrodes (two required) 24

38、 Figure C.3 Construction drawing for electrode accessories and electrode support 25 Figure D.1 Shock test pendulum 26 Figure E.1 Electrode for conductor cover 27 Figure E.2 Electrode for tension (dead-end assembly) cover 28 Figure E.3 Electrode for pin type insulator cover 29 Figure E.4 Electrode fo

39、r suspension cover 29 Figure E.5 Example of test arrangement 30 Figure J.1 Handling adapter 34 Figure K.1 Mechanical test of handling adapter and assembly end 35 Figure K.2 Mechanical withstand test; vertical load 36 Figure K.3 Mechanical withstand test; side load 36 Table 1 Categories of special pr

40、operties 8 Table 2 Low temperature conditioning characteristics 10 Table 3 Conditioning characteristics for positioning 11 Table 4 Diameter of electrodes 14 Table 6 Test voltages 15 Table B.1 Classification of tests 22 Table G.1 General limit values 324 blankEN 61229:1995 BSI 20 February 2003 5 1 Sc

41、ope International Standard IEC 1229 is applicable to rigid insulating covers for live working on a.c. installations, including those described in IEC 743. The barriers, having dielectric withstand which depends on the positioning clearance, are excluded from this standard. 1.1 Classes Six classes of

42、 covers, differing in electrical characteristics, are provided and designated as class 0, 1, 2, 3, 4 and 5. 1.2 Categories Five categories of covers, differing in special properties related to acid, oil, extreme low temperature, extreme high temperature, and humidity are provided. They are designate

43、d A, H, C, W and P, respectively. 1.3 Types The type depends on the piece to be protected. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions

44、 indicated were valid. All normative documents are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and ISO maintain regist

45、ers of currently valid International Standards. IEC 50(121):1978, International Electrotechnical Vocabulary Chapter 121: Electromagnetism. IEC 50(151):1978, International Electrotechnical Vocabulary Chapter 151: Electrical and magnetic devices. IEC 50(601):1985, International Electrotechnical Vocabu

46、lary Chapter 601: Generation, transmission and distribution of electricity General. IEC 60-1:1989, High-voltage test techniques Part 1: General definitions and test requirements. IEC 60-3:1976, High-voltage test techniques Part 3: Measuring devices. IEC 212:1971, Standard conditions for use prior to

47、 and during the testing of solid electrical insulating materials. IEC 60417 (all parts), Graphical symbols for use on equipment. IEC 743:1983, Terminology for tools and equipment to be used in live working. IEC 61318:1994, Live working Guidelines for quality assurance plans. ISO 2859-1:1999, Samplin

48、g procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection. ISO 8402:1994, Quality management and quality assurance Vocabulary. ISO 9000, Quality management and quality assurance standards. ISO 9002:1994, Quality systems Model for quality assurance in production, installation and servicing. ISO 9003:1994, Quality systems Model for quality assurance in final inspection and test. ENV 50196:1995, Live working Required insulation level and related air distances Calculation method.