BS-EN-60247-2004.pdf
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1、BRITISH STANDARD BS EN 60247:2004 Insulating liquids Measurement of relative permittivity, dielectric dissipation factor (tan $) and d.c. resistivity The European Standard EN 60247:2004 has the status of a British Standard ICS 17.220.99; 29.040.10 ? Licensed Copy: sheffieldun sheffieldun, na, Thu No
2、v 09 04:53:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60247:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 26 April 2004 BSI 26 April 2004 ISBN 0 580 43672 1 National foreword This British Standard is the official English langu
3、age version of EN 60247:2004. It is identical with IEC 60247:2004. It supersedes BS 5737:1979 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee GEL/10, Fluids for electrotechnical applications, which has the responsibility to: A list of organizations re
4、presented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Ind
5、ex”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself con
6、fer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulg
7、ate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 27 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComm
8、ents Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 04:53:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 60247 NORME EUROPENNE EUROPISCHE NORM April 2004 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europi
9、sches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60247:2004 E ICS 17.220.99; 29.040.10 English version Insulating liquids Me
10、asurement of relative permittivity, dielectric dissipation factor (tan ) and d.c. resistivity (IEC 60247:2004) Liquides isolants Mesure de la permittivit relative, du facteur de dissipation dilectrique (tan ) et de la rsistivit en courant continu (CEI 60247:2004) Isolierflssigkeiten Messung der Perm
11、ittivittszahl, des dielektrischen Verlustfaktors (tan ) und des spezifischen Gleichstrom- Widerstandes (IEC 60247:2004) This European Standard was approved by CENELEC on 2004-04-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for givin
12、g 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 ve
13、rsions (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 committees
14、of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldu
15、n sheffieldun, na, Thu Nov 09 04:53:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 10/573/FDIS, future edition 3 of IEC 60247, prepared by IEC TC 10, Fluids for electrotechnical applications, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as E
16、N 60247 on 2004-04-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2005-01-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow
17、) 2007-04-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60247:2004 was approved by CENELEC as a European Standard without any modification. _ Page 2 EN 60247:2004 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 04:53:08 GMT+00:00 2006,
18、Uncontrolled Copy, (c) BSI 74206 4002:CEI 3 CONTENTS FOERWORD 2 INTRODUCTION. 5 1 Scope. 6 2 Normative references 6 3 Terms and definitions . 6 4 General 7 4.1 Permittivity and dielectric dissipation factor (tan ) . 7 4.2 Resistivity 8 4.3 Sequence of determinations. 8 4.4 Factors leading to erroneo
19、us results 8 5 Apparatus. 9 5.1 Test cell 9 5.2 Test equipment10 5.3 Glassware .10 5.4 Measuring instrument for permittivity and tan .10 5.5 Measuring instrument for d.c. resistivity .10 5.6 Time-measuring device10 5.7 Safety10 6 Cleaning solvent .11 7 Cleaning the test cell 11 7.1 Trisodium phospha
20、te cleaning procedure .11 7.2 Storage of cell .12 8 Sampling 12 9 Preparation of samples.12 10 Conditioning and filling the test cell .13 10.1 Cell conditioning 13 10.2 Filling the cell 13 11 Test temperature 13 12 Measurement of dissipation factor (tan )14 12.1 Test voltage.14 12.2 Measurement 14 1
21、2.3 Report .14 13 Measurement of relative permittivity14 13.1 Measurement 14 13.2 Report .15 14 Measurement of d.c. resistivity15 14.1 Test voltage.15 14.2 Time of electrification 15 14.3 Measurement 15 14.4 Report .16 Page 3 EN 60247:2004 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 04:53
22、:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 74206 4002:CEI 5 Annex A (informative) Example of an alternative procedure for cleaning the test cell Ultrasonic procedure.17 Annex B (informative) Example of a simplified cleaning procedure for a test cell.18 Annex C (informative) Alternative procedure
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24、o-etrmlani clle fro maesuremstne diuqil nis.52 FiugrE 5 examfo elp et ast ced llesdengi fro olw-olss eleidctrci sdiuqil 62 Page 4 EN 60247:2004 60247 IEC:2004 5 xennA ( Aifnroma)evit xEmafo elp retla narp evitancorudef eor clset eht gninaet ce ll tlUrascino procudere.71 xennA B (inform)evita Examfo
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