EN 60475-2011 en Method of sampling insulating liquids《绝缘液体采样法》.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationMethod of sampling insulating liquidsBS EN 60475:2011National forewordThis British Standard is the UK implementation of EN 60475:2011. It is identical to IEC 60475:2011. It super
2、sedes BS 5263:1975, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee GEL/10, Fluids for electrotechnical applications.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to
3、include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012ISBN 978 0 580 69884 2 ICS 29.040.01Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under
4、the authority of the Standards Policy and Strategy Committee on 29 February 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60475:2011EUROPEAN STANDARD EN 60475 NORME EUROPENNE EUROPISCHE NORM December 2011 CENELEC European Committee for Electrotechnical Stan
5、dardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60475:2011 E
6、ICS 29.040 English version Method of sampling insulating liquids (IEC 60475:2011) Mthode dchantillonnage des liquides isolants (CEI 60475:2011) Verfahren zur Probennahme von Isolierflssigkeiten (IEC 60475:2011) This European Standard was approved by CENELEC on 2011-11-24. CENELEC members are bound t
7、o 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 standards may be obtained on application to the CEN-C
8、ENELEC Management Centre 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 notified to the CEN-CENELEC Management Cen
9、tre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt
10、a, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60475:2011EN 60475:2011 Foreword The text of document 10/848/FDIS, future edition 2 of IEC 60475, prepared by IEC/TC 10 “Fluids for electrotechnical applications“ was s
11、ubmitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60475:2011. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-08-24 latest date by which the na
12、tional standards conflicting with the document have to be withdrawn (dow) 2014-11-24 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. E
13、ndorsement notice The text of the International Standard IEC 60475:2011 was approved by CENELEC as a European Standard without any modification. BS EN 60475:2011EN 60475:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The fo
14、llowing referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modifie
15、d by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60567 2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance EN 60567 2011 IEC 60970 - Insulating liquids - Methods for counting and
16、sizing particles EN 60970 - BS EN 60475:201160475 IEC:2011 CONTENTS INTRODUCTION . 5 1 Scope . . 6 2 Normative references . 6 3 Terms and definitions . 6 4 General principles for the sampling of insulating liquids 7 4.1 New insulating liquids in delivery containers . 7 4.1.1 Place of sampling . . 7
17、4.1.2 Quantity of sample to be taken 7 4.1.3 Sampling equipment 7 4.1.4 Sampling procedure. 11 4.2 Sampling of oil from oil-filled equipment . 13 4.2.1 General remarks . . 13 4.2.2 Sampling of oil by syringe . 19 4.2.3 Sampling of oil by ampoule . . 20 4.2.4 Sampling of oil by flexible metal bottles
18、 . 21 4.2.5 Sampling of oil by glass and rigid metal bottles . 22 4.2.6 Sampling of oil by plastic bottles . 23 4.3 Storage and transportation of samples 23 4.4 Labelling of samples . 23 Annex A (informative) Procedure for sampling at intermediate levels (making up of the average sample) . 25 Annex
19、B (informative) Procedure for testing the integrity of the syringes . 26 Figure 1 Thief dipper . 8 Figure 2 Cream dipper . 9 Figure 3 Pipette . . 10 Figure 4 Siphon . . 10 Figure 5 Sampling of oil by syringe 15 Figure 6 Sampling of oil by ampoule 16 Figure 7 Sampling of oil by bottle . 17 Table 1 Ty
20、pes of samples of new insulating liquids . 11 Table 2 Sample containers for oil tests (Y = Yes) . . 18 Table 3 Information required on oil sample labels . 24 BS EN 60475:201160475 IEC:2011 5 INTRODUCTION General caution, health, safety and environmental protection This International Standard does no
21、t purport to address all the safety problems associated with its use. It is the responsibility of the user of the standard to establish appropriate health and safety practices and determine the applicability of regulatory limitations prior to use. The insulating oils which are the subject of this st
22、andard should be handled with due regard to personal hygiene. Direct contact with the eyes may cause irritation. In the case of eye contact, irrigation with copious quantities of clean running water should be carried out and medical advice sought. Some of the tests specified in this standard involve
23、 the use of processes that could lead to a hazardous situation. Attention is drawn to the relevant standard for guidance. Environment This standard is applicable to mineral oils and non-mineral oils, chemicals and used sample containers. Attention is drawn to the fact that, some mineral oils in serv
24、ice may still be contaminated to some degree by PCBs. If this is the case, safety countermeasures should be taken to avoid risks to workers, the public and the environment during the life of the equipment, by strictly controlling spills and emissions. Disposal or decontamination of these oils should
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