1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 50186-2:1999 The Eu
2、ropean Standard EN 50186-2:1998 has the status of a British Standard ICS 29.260.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Live-line washing systems for power installations with nominal voltages above 1 kV Part 2: National annexesThis British Standard, having been prep
3、ared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 1999 BSI 05-1999 ISBN 0 580 32283 1 BS EN 50186-2:1999 Amendments issued since publication Amd. No. Date Text affected National foreword Thi
4、s British Standard is the English language version of EN 50186-2:1998. The UK participation in its preparation was entrusted to Technical Committee PEL/78, Tools for live working, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any
5、 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. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Th
6、e British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A
7、British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a
8、front cover, an inside front cover, the EN title page, pages 2 to 3 and a back cover.CENELEC European Committee for Electrotechnical Standardization Comite Europe en de Normalisation Electrotechnique Europa isches Komitee fu r Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050
9、 Brussels 1998 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50186-2:1998 E EUROPEAN STANDARD EN 50186-2 NORME EUROPE ENNE EUROPA ISCHE NORM September 1998 ICS 29.260.10 Descriptors: electrical insulators, washing, cleaning, insta
10、llation, electrical installation, utilization, safety, distance English version Live-line washing systems for power installations with nominal voltages above 1 kV Part 2: National annexes Syste mes de lavage sous tension pour installations de puissance de tension nominale supe rieure a 1 kV Partie 2
11、: Annexes nationales Abspritzeinrichtungen fu r Starkstromanlagen mit Nennspannungen u ber 1 kV Teil 2: Nationale Anha nge This European Standard was approved by CENELEC on 1997-03-11. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for gi
12、ving 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 European Standard exists in three official
13、 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 are the national electrotechnical committe
14、es of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 50186-2:1998 BSI 05-1999 Foreword This European Standard was prepared by the CENELEC BTTF 62-
15、4, Live-line washing systems for power installations with rated voltages above 1 kV. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50186-2 on 1997-03-11. The following dates were fixed: latest date by which the EN has to be implemented at national level by
16、publication of an identical national standard or by endorsement (dop) 1999-03-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 1999-03-01 These normative annexes list the particular national requirements, as laid down in the relevant laws, regulations
17、 and standards, which specify the protective distances for each of the CENELEC member countries at the time when this standard was prepared. They may be different to the protective distances given in EN 50186-1. The national annexes are summarized by the relevant member countries. National committee
18、s shall notify CENELEC of any changes needed to their national annex.Page 3 EN 50186-2:1998 BSI 05-1999 National annexes 1 AT Austria General The hints given in the national rules (instruction sheet) O VE E 32, Fire-fighting in and near electrical installations, should be taken into consideration. W
19、hen operating portable washing systems, the requirements of EN 50110 are to be observed. Addition to subclause 4.3b No water conductivity monitor is necessary if a permanent water conductivity is ensured by measurement. Addition to subclause 4.4b This is not necessary if a permanent water conductivi
20、ty is ensured as described in 4.3b. To subclause 6.1 Nozzle pipes and nozzles Multipurpose nozzles as described in O NORM F 2190 and F 2191 shall be used. Other types of nozzle pipe are permissible if they are in accordance with the electrical requirements of O NORM F 2190 and F 2191. 2 CH Switzerla
21、nd During live-line washing the following additional requirements have to be taken into account: Verordnung u ber elektrische Starkstromanlagen of March 20 1994, chapter 5, clause 3. 3 DE Germany The following additional requirements to the clauses of EN 50186-1 apply. To subclause 5.6 Earthing For
22、earthing, observe DIN EN 50179 (VDE 0101), Errichten von Starkstromanlagen mit Nennwechselspannungen u ber 1 kV. To subclause 6.1 Nozzle pipes and nozzles Multipurpose nozzle pipes of type CM which are in accordance with DIN 14365-1 are permissible (Mehrzweckstrahlrohre ND 16; Mae, Werkstoffe, Ausfu
23、 hrung, Kennzeichnung). Other types of nozzle pipe are permissible if they are in accordance with the electrical requirements of DIN 14365-2, Mehrzweckstrahlrohre ND 16; Anforderungen, Pru fung. To subclause 7.8 When operating portable washing systems, the requirements of DIN EN 50110 (VDE 0105) are
24、 to be observed (Betrieb von Starkstromanlagen). 4 DK Denmark To clause 7 Operation of live-line washing systems When operating portable washing systems, the requirements of the Heavy Current Regulations, section 5-6, clause 7, are to be observed. 5 FR France The Working Rules, Live-line cleaning of
25、 power installations from 63 to 400 kV Spray jet washing, give additional requirements to subclause 6.1 of EN 50186-1. To subclause 6.1 Nozzle pipes and nozzles Nozzles described in Technical Sheet HTB 415, Spray nozzles, shall be used. When using nozzles indicated in subclause 6.1 and water with co
26、nductivity of#100mS/cm (condensate), protective distances prescribed in Technical Sheet HTB 415, Spray nozzles, shall be observed.BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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