08-30189890-DC.pdf
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1、a Date: 22 September 2008 Origin: International Latest date for receipt of comments: 31 December 2008 Project no.: 2008/02977 Responsible committee: PEL/78 Tools for live working Interested committees: Title: Draft BS EN 61243-1 A1 Live working - Voltage detectors Part 1: Capacitive type to be used
2、for voltages exceeding 1 kV a.c. Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details be
3、low). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 December 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be
4、 sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is l
5、imited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email . British, International and foreign standards are also available from BSI Customer Services. Information on
6、 the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Onli
7、ne Service on the BSI web site http:/. Direct tel: 020 8996 7721 Responsible Committee Secretary: Mr Ian Richardson (BSI) E-mail: Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 8.0 DPC: 08/30189890 DC L
8、icensed CopyChinese University of Hong Kong, 21/10/2008 08:42, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on international discussions in which the UK has taken an active part. Your comments on this draft are welcome and will assist in the preparation of the consequent st
9、andard. If no comments are received to the contrary, then the UK will approve this draft. There is a high probability that this text could be adopted by CENELEC as a reference document for harmonization or as a European Standard. Recipients of this draft are requested to comment on the text bearing
10、in mind this possibility. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committ
11、ee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for Windows, if poss
12、ible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these format requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank ele
13、ctronic version of a comment form are available from the BSI web site at: http:/ Template for comments and secretariat observations Date: xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- me
14、nt Comment (justification for change) by the MB Proposed change by the MB Secretariat observations on each comment submitted 3.1 Definition 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV pho
15、tometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed CopyChinese University of Hong Kong, 21/10/20
16、08 08:42, Uncontrolled Copy, (c) BSI FORM CDV (IEC) 2005-09-23 78/751/CDV COMMITTEE DRAFT FOR VOTE (CDV) PROJET DE COMIT POUR VOTE (CDV) Project number IEC 61243-1 A1 Ed2 Numro de projet IEC/TC or SC: 78 CEI/CE ou SC: Secretariat / Secrtariat Canada Submitted for parallel voting in CENELEC Soumis au
17、 vote parallle au CENELEC Date of circulation Date de diffusion 2008-06-20 Closing date for voting (Voting mandatory for P-members) Date de clture du vote (Vote obligatoire pour les membres (P) 2008-11-21 Also of interest to the following committees Intresse galement les comits suivants Supersedes d
18、ocument Remplace le document 78/718/CD Page 35 4.5 Markings Replace the last item of the existing list of markings by the following: number of the relevant IEC standard immediately adjacent to the symbol, (IEC 61243-1). Add the following new paragraphs at the end of the existing subclause: To be mar
19、ked with the number of this IEC standard, the product shall satisfy all the requirements specified herein. With every voltage detector or with every batch of voltage detectors to be delivered, the manufacturer shall provide information related to the number of the IEC standard with the year of publi
20、cation. 6.1 General Add the following new paragraph at the beginning of the existing subclause: This standard provides testing provisions to demonstrate compliance of the product to the requirements of Clauses 4 and 5. These testing provisions are primarily intended to be used as type tests for vali
21、dation of the design input. Where relevant, alternative means (calculation, examination, tests, etc.) are specified within the test subclauses for the purpose of voltage detectors having completed the production phase. Page 37 6.1.2 Type test Replace the first element of the existing list by the fol
22、lowing: The type tests shall be performed at the lowest and at the highest nominal voltages delimiting the family of voltage detectors. Within the limits of the family, bridging tests (6.3.1 and 6.3.2) shall be performed for each distance d1 of Table 8 under the highest voltage of each voltage range
23、. Mechanical tests shall be done only once covering the worst conditions. Licensed CopyChinese University of Hong Kong, 21/10/2008 08:42, Uncontrolled Copy, (c) BSI 61243-1 A1Ed2/CDV IEC 8 Page 39 6.1.3 Routine test Delete the subclause 6.1.4 Sampling test Delete the subclause Page 39 6.2.1.2 Measur
24、ement of the threshold voltage Replace the wording of the subclause by the following: 6.2.1.2.1 Type test The test set-up used for the measurement of the threshold voltage is of the ball and ring type, as given in Figure 2. The electrode arrangement is selected according to the category of the volta
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