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1、BRITISH STANDARDLive-line washing systems for power installations with nominal voltages above 1 kV Part 2: National annexesThe European Standard EN 50186-2:1998 has the status of aBritish StandardICS 29.260.10| BS EN50186-2:1999|NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWB
2、S EN 50186-2:1999National forewordThis British Standard is the English language version of EN 50186-2:1998.The UK participation in its preparation was entrusted to Technical CommitteePEL/78, Tools for live working, which has the responsibility to: aid enquirers to understand the text; present to the
3、 responsible European committee 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.A list of organizations represented on this committee can be obtained on request to
4、its secretary.Cross-referencesThe 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 theFind facility of the BSI Standar
5、ds Electronic Catalogue.A 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 pagesThi
6、s document comprises a front cover, an inside front cover, the EN title page, pages 2 to 3 and a back cover.Amd. No.DateText affectedThis British Standard, having been prepared under the direction of the ElectrotechnicalSector Committee, was published under the authority of the Standards Committee a
7、nd comes into effect on 15 May 1999BSI 05-1999ISBN 0 580 32283 1Amendments issued since publicationEUROPEAN STANDARDEN 50186-2NORME EUROPE ENNEEUROPA ISCHE NORMSeptember 1998ICS 29.260.10Descriptors: electrical insulators, washing, cleaning, installation, electrical installation, utilization, safety
8、, distanceEnglish versionLive-line washing systems for power installations with nominal voltages above 1 kV Part 2: National annexesSyste mes de lavage sous tension pour installations de puissance de tension nominale supe rieure a1 kV Partie 2: Annexes nationalesAbspritzeinrichtungen fu r Starkstrom
9、anlagen mitNennspannungen u ber 1 kV Teil 2: Nationale Anha ngeThis 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 giving this European Standard the status of a national standard
10、 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 versions (English, French, German). A version in any other lan
11、guage 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 committees of Austria, Belgium, Czech Republic, Denmark, Finland, France
12、, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comite Europe en de Normalisation Electrotechnique Europa isches Komitee fu r Elektrotechnische NormungC
13、entral Secretariat: rue de Stassart 35, B-1050 Brussels1998 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELECmembers.Ref. No. EN 50186-2:1998 EPage 2EN 50186-2:1998ForewordThis European Standard was prepared by the CENELEC BTTF 62-4, Live-line washing sys
14、tems 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 50186-2on 1997-03-11.The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical
15、 national standard or byendorsement (dop) 1999-03-01 latest date by which the national standards conflicting with theEN have to be withdrawn (dow) 1999-03-01These normative annexes list the particular national requirements, as laid down in the relevant laws, regulations and standards, which specify
16、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 committees shall notify CENELEC of any ch
17、anges needed to their national annex.BSI 05-1999Page 3EN 50186-2:1998National annexes1 AT AustriaGeneralThe hints given in the national rules (instruction sheet) O VE E 32, Fire-fighting in and near electricalinstallations, should be taken into consideration. When operating portable washing systems,
18、 therequirements of EN 50110 are to be observed.Addition to subclause 4.3bNo water conductivity monitor is necessary if a permanent water conductivity is ensured by measurement.Addition to subclause 4.4bThis is not necessary if a permanent water conductivity is ensured as described in 4.3b.To subcla
19、use 6.1 Nozzle pipes and nozzlesMultipurpose nozzles as described inO NORM F 2190 and F 2191 shall be used. Other typesof nozzle pipe are permissible if they are in accordance with the electrical requirements of O NORM F 2190and F 2191.2 CH SwitzerlandDuring live-line washing the following additiona
20、l requirements have to be taken into account: Verordnung u ber elektrische Starkstromanlagen of March 20 1994, chapter 5, clause 3.3 DE GermanyThe following additional requirements to the clauses of EN 50186-1 apply.To subclause 5.6 EarthingFor earthing, observe DIN EN 50179 (VDE 0101), Errichten vo
21、n Starkstromanlagen mit Nennwechselspannungen u ber 1 kV.To subclause 6.1 Nozzle pipes and nozzlesMultipurpose nozzle pipes of type CM which are in accordance with DIN 14365-1 are permissible (Mehrzweckstrahlrohre ND 16; Mae, Werkstoffe, Ausfu hrung, Kennzeichnung).Other types of nozzle pipe are per
22、missible if they are in accordance with the electrical requirements ofDIN 14365-2, Mehrzweckstrahlrohre ND 16;Anforderungen, Pru fung.To subclause 7.8When operating portable washing systems, the requirements of DIN EN 50110 (VDE 0105) are to be observed (Betrieb von Starkstromanlagen).4 DK DenmarkTo
23、 clause 7 Operation of live-line washing systemsWhen operating portable washing systems, the requirements of the Heavy Current Regulations, section 5-6, clause 7, are to be observed.5 FR FranceThe Working Rules, Live-line cleaning of power installations from 63 to 400 kV Spray jet washing, give addi
24、tional requirements to subclause 6.1 ofEN 50186-1.To subclause 6.1 Nozzle pipes and nozzlesNozzles described in Technical Sheet HTB 415, Spray nozzles, shall be used.When using nozzles indicated in subclause 6.1 and water with conductivity of #100 mS/cm (condensate), protective distances prescribed
25、in Technical Sheet HTB 415, Spray nozzles, shall be observed.BSI 05-1999BSI389 Chiswick High RoadLondonW4 4AL| BSI British Standards Institution| BSI is the independent national body responsible for preparing British Standards. It| presents the UK view on standards in Europe and at the international
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