1、 IEC 60567 Edition 4.0 2011-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Oil-filled electrical equipment Sampling of gases and analysis of free and dissolved gases Guidance Matriels lectriques immergs chantillonnage de gaz et analyse des gaz libres et dissous Lignes directrices IEC60567:2011 THIS
2、PUBLICATION IS COPYRIGHT PROTECTED Copyright 2011 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in wri
3、ting from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further inf
4、ormation. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de la CEI ou du Comit nati
5、onal de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de la CEI de votre pays de rsidence. IEC Central Office 3, rue de Varem
6、b CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications
7、 The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications: www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a var
8、iety of criteria (reference number, text, technical committee,). It also gives information on projects, withdrawn and replaced publications. IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications relea
9、sed. Available on-line and also by email. Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International
10、 Electrotechnical Vocabulary online. Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 A
11、propos de la CEI La Commission Electrotechnique Internationale (CEI) est la premire organisation mondiale qui labore et publie des normes internationales pour tout ce qui a trait llectricit, llectronique et aux technologies apparentes. A propos des publications CEI Le contenu technique des publicati
12、ons de la CEI est constamment revu. Veuillez vous assurer que vous possdez ldition la plus rcente, un corrigendum ou amendement peut avoir t publi. Catalogue des publications de la CEI: www.iec.ch/searchpub/cur_fut-f.htm Le Catalogue en-ligne de la CEI vous permet deffectuer des recherches en utilis
13、ant diffrents critres (numro de rfrence, texte, comit dtudes,). Il donne aussi des informations sur les projets et les publications retires ou remplaces. Just Published CEI: www.iec.ch/online_news/justpub Restez inform sur les nouvelles publications de la CEI. Just Published dtaille deux fois par mo
14、is les nouvelles publications parues. Disponible en-ligne et aussi par email. Electropedia: www.electropedia.org Le premier dictionnaire en ligne au monde de termes lectroniques et lectriques. Il contient plus de 20 000 termes et dfinitions en anglais et en franais, ainsi que les termes quivalents d
15、ans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International en ligne. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients o
16、u contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60567 Edition 4.0 2011-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Oil-filled electrical equipment Sampling of gases and analysis of free and dissolved gases Guidance Matriels lectriques immergs chantillonnage de g
17、az et analyse des gaz libres et dissous Lignes directrices INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XA ICS 29.040 PRICE CODE CODE PRIX ISBN 978-2-88912-768-9 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commissio
18、n Electrotechnique Internationale 2 60567 IEC:2011 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope . 9 2 Normative references . 9 3 Sampling of gases from gas-collecting (Buchholz) relays 10 3.1 General remarks 10 3.2 Sampling of free gases by syringe . 10 3.2.1 Sampling equipment 10 3.2.2 Sampling p
19、rocedure. 11 3.3 Sampling of free gases by displacement of oil . 12 3.4 Sampling of free gases by vacuum 13 3.5 Sampling of oil from oil filled equipment 14 4 Labelling of gas samples 14 5 Sampling, labelling and transferring of oil from oil-filled equipment . 14 5.1 Sampling and labelling of oil 14
20、 5.2 Transfer of oil for DGA analysis . 14 5.2.1 Transfer from oil syringes 14 5.2.2 Transfer from ampoules . 15 5.2.3 Transfer from flexible metal bottles 15 5.2.4 Transfer from glass and rigid metal bottles 15 6 Preparation of gas-in-oil standards . 15 6.1 General remark . 15 6.2 First method: pre
21、paration of a large volume of gas-in-oil standard . 15 6.2.1 Equipment . 15 6.2.2 Procedure 16 6.2.3 Calculation 18 6.3 Second method: preparation of gas-in-oil standards in a syringe or a vial 18 6.3.1 Equipment . 19 6.3.2 Procedure 20 7 Extraction of gases from oil 20 7.1 General remarks 20 7.2 Mu
22、lti-cycle vacuum extraction using Toepler pump apparatus . 21 7.2.1 Toepler pump extraction apparatus 21 7.2.2 Extraction procedure . 24 7.3 Vacuum extraction by partial degassing method 25 7.3.1 General remark . 25 7.3.2 Partial degassing apparatus 25 7.3.3 Extraction procedure . 26 7.4 Stripping e
23、xtraction method . 26 7.4.1 Stripping apparatus . 26 7.4.2 Outline of procedure 29 7.5 Headspace method . 30 7.5.1 Principle of the method 30 7.5.2 Symbols and abbreviations 30 7.5.3 Headspace extraction apparatus 31 7.5.4 Headspace extraction procedure . 35 60567 IEC:2011 3 7.5.5 Calibration of the
24、 headspace extractor 39 8 Gas analysis by gas-solid chromatography . 41 8.1 General remarks 41 8.2 Outline of suitable methods using Table 4 . 42 8.3 Apparatus 42 8.3.1 Gas chromatograph . 42 8.3.2 Columns 44 8.3.3 Carrier gas 44 8.3.4 Detectors . 44 8.3.5 Methanator 44 8.3.6 Cold trap . 44 8.3.7 In
25、tegrator and recorder 44 8.4 Preparation of apparatus . 45 8.5 Analysis 45 8.6 Calibration of the chromatograph . 45 8.7 Calculations 46 9 Quality control 46 9.1 Verification of the entire analytical system . 46 9.2 Limits of detection and quantification . 47 9.3 Repeatability, reproducibility and a
26、ccuracy 47 9.3.1 General remark . 47 9.3.2 Repeatability . 48 9.3.3 Reproducibility . 48 9.3.4 Accuracy . 48 10 Report of results . 49 Annex A (informative) Correction for incomplete gas extraction in partial degassing method by calculation . 51 Annex B (informative) Mercury-free and shake test vers
27、ions of the standard extraction methods 53 Annex C (informative) Preparation of air-saturated standards 55 Annex D (informative) Correction for gas bubbles in syringes and air gap in rigid bottles 56 Annex E (informative) Procedure for comparing gas monitor readings to laboratory results 57 Bibliogr
28、aphy 58 Figure 1 Sampling of gas by syringe 11 Figure 2 Sampling of free gases by oil displacement 12 Figure 3 Sampling of free gases by vacuum . 13 Figure 4 First method of preparing gas-in-oil standards . 17 Figure 5 Second method for preparing gas-in-oil standards 19 Figure 6 Example of a Toepler
29、 pump extraction apparatus . 23 Figure 7 Types of glass strippers . 27 Figure 8 Stainless steel stripper . 28 Figure 9 Schematic arrangement for connecting an oil stripper to a gas chromatograph 29 Figure 10 Schematic representation of headspace sampler 30 4 60567 IEC:2011 Figure 11 Vial filled with
30、 water . 32 Figure 12 Revolving table 34 Figure 13 Schematic arrangement for gas chromatography 43 Figure B.1 Schematic representation of methods in Annex B . 54 Table 1 Information required for gas samples 14 Table 2 Examples of headspace operating conditions 35 Table 3 Headspace partition coeffici
31、ents at 70 C in mineral insulating oil . 40 Table 4 Examples of gas chromatographic operating conditions . 41 Table 5 Required limits of detection in oil . 47 Table 6 Examples of accuracy of extraction methods . 49 Table A.1 Examples of solubility coefficients ai(at 25 C) reported by CIGRE TF D1.01.
32、15 . 51 Table C.1 Examples of solubility values of air for different oil types . 55 Table C.2 Examples of temperature variations for oxygen and nitrogen solubility in mineral oil . 55 60567 IEC:2011 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OIL-FILLED ELECTRICAL EQUIPMENT SAMPLING OF GASES AND A
33、NALYSIS OF FREE AND DISSOLVED GASES GUIDANCE FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on al
34、l questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publi
35、cation(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IE
36、C collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of op
37、inion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to
38、 ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparent
39、ly to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certifi
40、cation bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall
41、 attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal
42、 fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publi
43、cation. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60567 has been prepared by IEC technical committee 10: F
44、luids for electrotechnical applications. This fourth edition cancels and replaces the third edition, published in 2005, and constitutes a technical revision. The main changes with respect to the previous edition are listed below: Since the publication of the third edition, CIGRE TF.D1.01.15 has made
45、 progress in several areas of dissolved gas analysis (DGA), notably a) oil sampling, b) laboratory analysis and solubility coefficients of gases in non-mineral oils, c) calibration of the headspace gas extraction method, 6 60567 IEC:2011 d) more sensitive detectors for chromatography, e) preparation
46、 of air-saturated standards and f) evaluation of gas monitor readings. These advances are included in this fourth edition. Sampling of oil for DGA from oil-filled equipment has been moved from IEC 60567 to IEC 60475 as reflected in the revised title of this standard. The text of this standard is bas
47、ed on the following documents: FDIS Report on voting 10/849/FDIS 10/872/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The com
48、mittee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edi
49、tion, or amended. 60567 IEC:2011 7 INTRODUCTION Gases may be formed in oil-filled electrical equipment due to natural ageing but also, to a much greater extent, as a result of faults. Operation with a fault may seriously damage the equipment, and it is valuable to be able to detect the fault at an early stage of development. Where a fault is not severe, the gases formed will
