1、STD-CENELEC HD b28 SL-ENGL 3999 3404583 0393797 568 m FORM 36 Version 4.4 Draft for Public Comment Head office 389 Chiswick High Road London W4 4AL Telephone: 020 8996 9000 Fax: 020 8996 7400 w.bsLorg.uk I DPC-no.: 00/240122DC I Date:l2/01/00 Origin: E Latest date for receipt of comments: end of Apr
2、il 2000 Project no.: 2000/00040 Responsible committee: GEU20/7 Interested committees: Draft HD 628/prA1 Draft amendment to HD 628 -Test methods for accessories for power cables with rated voltage from 3,6/6 kV (Um = 7,2 kV) up to and including 20,8/36 kV (Um = 42 kV) Possible future amendment to BS
3、7888-21 WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND ITS EXPIRY DATE FOR COMMENTS. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. See overleaf for info
4、rmation 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. Further copies of this draft may be purchased from BSI
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6、ed above may be obtained from the responsible committee secretav. R Cross-references The British Standards which implement international or European publications referred to in this draft may be found by referring to the British Standards Online Sewice on the BSI website under the International Rela
7、tionship information. This information is also available within the BSI catalogue (paper version) and the BSI Standards Electronic Catalogue (CD). The Online Service can also be used to find information on drafi standards related to international or European publications. Responsible BSI committee S
8、ecretary: R E Green E-mail address: dick-greenabsi.0rg.uk Direct tel: 020 8996 7278 No. 28, 12101100 1 FORM 36 Version 4.4 Commenting on drafts Introduction This drat standard is based on European discussions in which the UK took an active part. Your comments on this draft are welcome and will assis
9、t in the preparation of the consequent British Standard. If no comments are received to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is particularly welcome on national legislative or similar deviations that may be necessary. Even if this draft st
10、andard is not approved by the UK, if it receives the necessary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standard and to withdraw any conflicting standard. UK vote Please indicate whether you consider the UK should submit a negativ
11、e (with reasons) or positive vote on this draft. Format The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. Each comment shall make one point only, be
12、clearly separated from the others and be structured as follows in clause order: 0 clause/sub-clause; 0 paragraph/table/figure number; 0 type of comment (general, technical or editorial); 0 comment (with rationale); O proposed change. Submission All comments should be submitted to the committee secre
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14、not submitted electronically should still adhere to the format requirements given above. No acknowledgement will normally be sent. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoff Corporation. No. 28. 12/01/00 STDeCENELEC v1 .- u .- +IL mo x N N t N O 8 G 2 9 z
15、 2 3 3 3 N C O o i. 2 U 1 HD 626 SI-ENGL 1999 3404583 0191799 330 3 c, O a, t C O O cn C .- z 3 -: a, s .a- STD.CENELEC HD b28 SL-ENGL L999 3404583 OLL800 982 FINAL DRAFT HO 628 S HARM ON IZATI ON DOC UM ENT c: c p4-c I .Y*- ,IL DOCUMENT DHARMONISATION prA I HARMONISIERUNGSDOKUMENT December 1999 ICC
16、 29.060.20 UDC 621.31 5.2:621.3.027.5/.6:620.1 English version Test methods for accessories for power cables with rated voltage from 3,616 kV (Um = 7,2 kV) up to and including 20,8/36 kV (Um = 42 kV) Mthodes dessais des accessoires des cbles dnergie de tensions assignes de 3,6/6 (7,2) kV 20,8/36 (42
17、) kV Prfverfahren fr Kabelgarnituren fr Starkstromkabel mit einer Nennspannung von 3,6/6 (7,2) kV bis 20,8/36 (42) kV This draft amendment prAl, if approved, will modify the Harmonization Document HD 628 S1:1996; it is submitted to CENELEC members for Unique Acceptance Procedure. It has been drawn u
18、p by Technical Committee CENELEC TC 20. If this draft becomes an amendment, CENELEC members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for implementation of this amendment on a national level. This draft amendment was established by CENELEC in three o
19、fficial versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
20、Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique E
21、uropisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 1999 CENELEC - Ali rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. HD 628 S1:1996/prA1:1999 E - - STD=CENELEC HD 628 SL-ENGL 1999 H 3404583
22、0191802 29 m. I Page 2 HD 628 Si : 1996/prAl: 1999 i Foreword This draft amendment to HD 628 S1:1996 has been prepared by WG 11 of CENELEC TC 20, Electric Cables. CENELEC TC 20 confirmed at its Stresa meeting (April 1999) that this draft amendment should go to the Unique Acceptance Procedure. The dr
23、aft was submitted to the Unique Acceptance Procedure in December 1999 and was approved by CENELEC as amendment AI to HD 628 SI on . . . The following dates are proposed: latest date by which the existence of the amendment has to be announced at national level latest date by which the amendment has t
24、o be implemented at national level by publication of a harmonized national standard or by endorsement latest date by which the national standards conflicting with the amendment have to be withdrawn (doa) 2001-04-01 (dp) 2001-1 0-01 (dow) 2002-1 0-01 STD-CENELEC HD 628 SL-ENGL L999 3404583 OL9L802 75
25、5 W Page 3 HD 628 S1:1996/prA1:1999 Text of HD 628:1996/prAI 12.2 Method Replace the existing subclause by: The short circuit current shall be applied for a minimum of 10 ms to ensure that the peak current, as specified in HD 629.1 and HD 629.2, is reached. The waveform shall be recorded. NOTE cause
26、 thermal problems with the cable or accessory. In practice, clearance times of the order of 60 ms may be expected. Exceeding this time may 16 Screen resistance measurement Replace the second paragraph by: This test is required for separable connectors without a metallic housing or with a removable m
27、etallic housing. The metallic housing shall be removed prior to the test. This test is not required for separable connectors which can only be used in service with the metallic housing in position. 17 Screen leakage current measurement Replace the second paragraph by: This test is required for separ
28、able connectors without a metallic housing or with a removable metallic housing. The metallic housing shall be removed prior to the test. This test is not required for separable connectors which can only be used in service with the metallic housing in position. 18.1 Installation Replace the existing
29、 subclause by: 18.1 Installation The purpose of this test is: (a) in the case of a solidly earthed or resistance earthed system, in which the first earth fault is cleared, to demonstrate the ability of the separable connector screen to initiate a fault to earth which produces sufficient current to o
30、perate the circuit protection, should its insulation fail. STDmCENELEC HD b28 SL-ENGL 3999 3404583 0393803 b9L.m Page 4 HD 628 S1:1996/prA1:1999 in the case of an unearthed or impedanceearthed system, in which the first earth fault is held, (b) to demonstrate the ability of the separable connector s
31、creen to initiate and sustain a fault current to earth, should its insulation fail. The test is applicable only to screened separable connectors and shall be carried out with the connectors installed as in service. This test is required for separable connectors, without a metallic housing or with a removable metallic housing. The metallic housing shall be removed prior to the test. This test is not required for separable connectors which can only be used in service with the metallic housing in position.
