IEEE 62582-1-2011 Nuclear power plants C Instrumentation and control important to safety C Electrical equipment condition monitoring methods C Part 1 General.pdf

《IEEE 62582-1-2011 Nuclear power plants C Instrumentation and control important to safety C Electrical equipment condition monitoring methods C Part 1 General.pdf》由会员分享，可在线阅读，更多相关《IEEE 62582-1-2011 Nuclear power plants C Instrumentation and control important to safety C Electrical equipment condition monitoring methods C Part 1 General.pdf（34页珍藏版）》请在麦多课文档分享上搜索。

1、 IEC/IEEE 62582-1 Edition 1.0 2011-08 INTERNATIONAL STANDARD Nuclear power plants Instrumentation and control important to safety Electrical equipment condition monitoring methods Part 1: General Centrales nuclaires de puissance Instrumentation et contrle-commande importants pour la sret Mthodes de

2、surveillance de ltat des matriels lectriques Partie 1: Gnralits IEC/IEEE 62582-1:2011NORME INTERNATIONALE THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2011 IEC, Geneva, Switzerland Copyright 2011 IEEE All rights reserved. Unless otherwise specified, no part of this publication may be reproduced

3、 or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing being secured. Requests for permission to reproduce should be addressed to either IEC at the address below or IECs member National Committee in the country of the r

4、equester or from IEEE. IEC Central Office Institute of Electrical and Electronics Engineers, Inc. 3, rue de Varemb 3 Park Avenue CH-1211 Geneva 20 New York, NY 10016-5597 Switzerland United States of America Email: inmailiec.ch Email: stds.iprieee.org Web: www.iec.ch Web: www.ieee.org About the IEC

5、The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About the IEEE IEEE is the worlds largest professional association dedicated to advancing technological

6、innovation and excellence for the benefit of humanity. IEEE and its members inspire a global community through its highly cited publications, conferences, technology standards, and professional and educational activities. About IEC/IEEE publications The technical content of IEC/IEEE publications is

7、kept under constant review by the IEC and IEEE. Please make sure that you have the latest edition; corrigenda or amendments might have been published. g131 IEC catalogue of publications: www.iec.ch/searchpub The IEC online catalogue enables you to search by a variety of criteria (reference number, t

8、ext, technical committee,). It also gives information on projects, withdrawn and replaced publications. g131 IEEE products and services : www.ieee.org/go/shop IEEE publishes nearly a third of the worlds technical literature in electrical engineering, computer science, and electronics. Browse the lat

9、est publications including standards, draft standards, standards collections, and much more. g131 IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and also by monthly email. g131 Ele

10、ctropedia: 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 Electrotechnical Vocabulary online. g131 Cus

11、tomer 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 . IEC/IEEE 62582-1 Edition 1.0 2011-08 INT

12、ERNATIONAL STANDARD Nuclear power plants Instrumentation and control important to safety Electrical equipment condition monitoring methods Part 1: General Centrales nuclaires de puissance Instrumentation et contrle-commande importants pour la sret Mthodes de surveillance de ltat des matriels lectriq

13、ues Partie 1: Gnralits N ICS 27.120.20 ISBN 978-2-88912-668-2 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE PRICE CODE CODE PRIX NORME INTERNATIONALE 2 62582-1 g148 IEC/IEEE:2011 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope and object 7 2 Normative references

14、 . 7 3 Terms and definitions . 7 4 Condition indicators 8 4.1 General . 8 4.2 Chemical indicators . 9 4.3 Physical indicators 9 4.4 Electrical indicators . 9 4.5 Miscellaneous Indicators . 9 5 Applicability of condition indicators to different types of organic materials 9 6 Destructive and non-destr

15、uctive condition monitoring . 10 7 Application of condition monitoring in equipment qualification and management of ageing 10 7.1 General . 10 7.2 Use of condition monitoring in the establishment of qualified life . 10 7.2.1 Establishment of qualified life 10 7.2.2 Determination of acceleration fact

16、or in accelerated thermal ageing 10 7.3 Use of condition monitoring in the extension of qualified life 12 7.4 Use of condition monitoring in the establishment and assessment of qualified condition . 12 7.5 Use of baseline data 13 Bibliography 14 Figure 1 Example of an Arrhenius diagram. 11 Figure 2

17、Influence of activation energy on qualified life, determined from artificial thermal ageing for 42 days at 110 C, followed by simulated design basis event . 12 Figure 3 Illustration of condition-based qualification . 13 62582-1 g148 IEC/IEEE:2011 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ NUCLEAR

18、 POWER PLANTS INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY ELECTRICAL EQUIPMENT CONDITION MONITORING METHODS Part 1: General FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC Nat

19、ional Committees). The object of IEC is to promote international co-operation on all 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, Publ

20、icly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(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-govern

21、mental organizations liaising with the IEC also participate in this preparation. IEEE Standards documents are developed within IEEE Societies and Standards Coordinating Committees of the IEEE Standards Association (IEEE-SA) Standards Board. IEEE develops its standards through a consensus development

22、 process, approved by the American National Standards Institute, which brings together volunteers representing varied viewpoints and interests to achieve the final product. Volunteers are not necessarily members of IEEE and serve without compensation. While IEEE administers the process and establish

23、es rules to promote fairness in the consensus development process, IEEE does not independently evaluate, test, or verify the accuracy of any of the information contained in its standards. Use of IEEE Standards documents is wholly voluntary. IEEE documents are made available for use subject to import

24、ant notices and legal disclaimers (see http:/standards.ieee.org/IPR/disclaimers.html for more information). IEC collaborates closely with IEEE in accordance with conditions determined by agreement between the two organizations. This Dual Logo International Standard was jointly developed by the IEC a

25、nd IEEE under the terms of that agreement. 2) The formal decisions of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. The formal deci

26、sions of IEEE on technical matters, once consensus within IEEE Societies and Standards Coordinating Committees has been reached, is determined by a balanced ballot of materially interested parties who indicate interest in reviewing the proposed standard. Final approval of the IEEE standards document

27、 is given by the IEEE Standards Association (IEEE-SA) Standards Board. 3) IEC/IEEE Publications have the form of recommendations for international use and are accepted by IEC National Committees/IEEE Societies in that sense. While all reasonable efforts are made to ensure that the technical content

28、of IEC/IEEE Publications is accurate, IEC or IEEE 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 (including IEC/IEEE Publications)

29、 transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC/IEEE Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC and IEEE do not provide any attestation of conformity. In

30、dependent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC and IEEE are not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publica

31、tion. 7) No liability shall attach to IEC or IEEE or their directors, employees, servants or agents including individual experts and members of technical committees and IEC National Committees, or volunteers of IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Associatio

32、n (IEEE-SA) Standards Board, for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC/IEEE Publication or any other IEC or IEEE Pu

33、blications. 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 publication. 9) Attention is drawn to the possibility that implementation of this IEC/IEEE Publication may require use of m

34、aterial covered by patent rights. By publication of this standard, no position is taken with respect to the existence or validity of any patent rights in connection therewith. IEC or IEEE shall not be held responsible for identifying Essential Patent Claims for which a license may be required, for c

35、onducting inquiries into the legal validity or scope of Patent Claims or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory. Users of this standard are expr

36、essly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. 4 62582-1 g148 IEC/IEEE:2011 International Standard IEC/IEEE 62582-1 has been prepared by subcommittee 45A: Instrumentation and control of nuclear

37、 facilities, of IEC technical committee 45: Nuclear instrumentation, in cooperation with the Nuclear Power Engineering Committee of the Power however, it is often 62582-1 g148 IEC/IEEE:2011 9 difficult to perform these types of measurements directly in the field with the required degree of repeatabi

38、lity and accuracy. In organic materials, ageing occurs that may adversely impact the important safety function through a range of chemical reactions, including chain scission and cross-linking, which alter the polymeric structure. For condition monitoring programs, it becomes imperative to find meth

39、ods that, either directly or indirectly, follow the progress of these reactions. A large number of methods exist to perform this task, which makes it difficult to provide an overview of each individual technique. Instead, this standard will focus on general groups of methods. The overall description

40、 of these groups is provided below. 4.2 Chemical indicators As mentioned above, the degradation mechanism for organic materials follows from a series of chemical reactions in which the chemical structure of the polymer is altered. The progressive change in the chemistry of the material provides an o

41、pportunity to monitor the degradation throughout its ageing. Numerous techniques exist to perform this task, some which monitor the polymer chain degradation itself and others which monitor side reactions which are related to the degradation. 4.3 Physical indicators Another key family of indicators

42、includes techniques which monitor the materials physical properties. The degradation of organic materials manifests itself in changes to these physical properties (i.e. tensile strength, elongation, and hardness). By measuring these physical characteristics, it is possible to create a correlation wi

43、th the aged condition of the material. 4.4 Electrical indicators A third category of techniques involves measuring electrical properties of the materials. Many of these techniques were developed for polymeric materials used in electrical insulation. Within this family there are two basic subsets of

44、methods. The first subset involves measuring the dielectric properties of the materials. A second subset of methods monitors the electrical response of systems under normal operation. In these cases, a signal is passed through the electrical system and any changes from baseline are detected. These c

45、hanges could be signs of degradation, whether through ageing or through physical damage. 4.5 Miscellaneous Indicators As new technologies are developed and implemented, it becomes necessary to develop condition monitoring methods to keep pace. As such, some methods are developed specifically for cer

46、tain types of materials. 5 Applicability of condition indicators to different types of organic materials There is currently no single condition monitoring method which is suitable for all organic or polymeric materials. A basic requirement for inclusion in a part of IEC/IEEE 62582 is that the condit

47、ion indicators are sensitive to the effects of ageing. An important characteristic of a useful condition indicator is that it shows a trend that changes monotonically with degradation and can be correlated with the safety related performance. An indicator that does not change for a long time and the

48、n suddenly undergoes drastic changes is not useful for prognostic applications. This can be the case with mechanical condition monitoring on semi-crystalline materials, e.g. cross-linked polyethylene and thermosetting resins, dependant on the formulation. 10 62582-1 g148 IEC/IEEE:2011 Information on

49、 the applicability of various condition indicators to different polymeric materials used in instrument and control equipments in nuclear power plants can be found in NUREG/CR-7000 and in IAEA-TECDOC-1188, see Bibliography. 6 Destructive and non-destructive condition monitoring A condition monitoring method may be considered destructive or non-destructive, depending on whether the measurement or the sampling of material used for the measurement will affect operability or future ageing