BS PD IEC TR 63021-2016 Rotating electrical machinery Natural graphite brush for slip-ring in wound rotor-type induction motor Application information《旋转电机 绕线式感应电动机内的滑环用天然石墨电刷 应用信息.pdf
《BS PD IEC TR 63021-2016 Rotating electrical machinery Natural graphite brush for slip-ring in wound rotor-type induction motor Application information《旋转电机 绕线式感应电动机内的滑环用天然石墨电刷 应用信息.pdf》由会员分享,可在线阅读,更多相关《BS PD IEC TR 63021-2016 Rotating electrical machinery Natural graphite brush for slip-ring in wound rotor-type induction motor Application information《旋转电机 绕线式感应电动机内的滑环用天然石墨电刷 应用信息.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、Rotating electrical machinery Natural graphite brush for slip-ring in wound rotor-typeinduction motor ApplicationinformationPD IEC/TR 63021:2016BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis Published Document is the UK implementation of IEC/TR
2、 63021:2016.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/2, Rotating electrical machinery.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa
3、contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 91409 6ICS 29.160.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under th
4、e authority of theStandards Policy and Strategy Committee on 30 September 2016.Amendments/corrigenda issued since publicationDate Text affectedPUBLISHED DOCUMENTPD IEC/TR 63021:2016IEC TR 63021 Edition 1.0 2016-09 TECHNICALREPORT Rotating electrical machinery Natural graphite brush for slip-ring in
5、wound rotor-type induction motor Application information INTERNATIONALELECTROTECHNICALCOMMISSION ICS 29.160.01 ISBN 978-2-8322-3602-4 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. PD IEC/TR
6、63021:2016 2 IEC TR 63021:2016 IEC 2016 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope . 6 2 Normative references. 6 3 Terms and definitions . 6 4 General remarks . 7 5 General conditions of brush and slip-ring for stability in the operation of a wound rotor-type induction motor . . 7 5.1 Fire-spark
7、 7 5.2 Life . 7 5.3 Temperature . 8 5.4 Dust diffusion 8 5.5 Noise 8 6 Operating characteristics of natural graphite brush for slip-ring in a wound rotor-type induction motor . 8 6.1 Current density . 8 6.2 Vibration absorbing ability . . 8 6.3 Temperature . 8 6.4 Brushs pressure . . 9 7 Testing met
8、hod . 9 8 Application result . 9 8.1 Fire-spark 9 8.2 Wear and life of brush . 9 8.3 Life of slip-ring 9 8.4 Environmental pollution . 9 8.4.1 Dust diffusion by wear of brush . 9 8.4.2 Pollution by noise . 10 8.5 Economic profit . . 10 8.5.1 Brush price . 10 8.5.2 Brush life . 10 8.5.3 No accident d
9、ue to dust diffusion and slip-rings life . 10 Annex A (informative) Data from practical application. 11 Bibliography . 12 Table 1 Typical kinds of brushes 7 Table 2 NG-brushs bulk density, electric resistivity and current density compared with the copper brush . 8 Table 3 Comparison of properties fo
10、r the assessment of vibration absorbing ability . . 8 Table 4 Wear and life of brush . 9 Table 5 Comparison of wear of NG-brush and copper brush . . 9 Table A.1 Data from practical application 11 PD IEC/TR 63021:2016IEC TR 63021:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ROTATING EL
11、ECTRICAL MACHINERY Natural graphite brush for slip-ring in wound rotor-type induction motor Application information FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprisingall national electrotechnical committees (IEC National Committ
12、ees). The object of IEC is to promote internationalco-operation on all questions concerning standardization in the electrical and electronic fields. To this end and inaddition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,Publicly Available S
13、pecifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Theirpreparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt withmay participate in this preparatory work. International, governmental and non-governmental organizatio
14、ns liaisingwith the IEC also participate in this preparation. IEC collaborates closely with the International Organization forStandardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters e
15、xpress, as nearly as possible, an internationalconsensus of opinion on the relevant subjects since each technical committee has representation from allinterested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC NationalCommit
16、tees in that sense. While all reasonable efforts are made to ensure that the technical content of IECPublications is accurate, IEC cannot be held responsible for the way in which they are used or for anymisinterpretation by any end user. 4) In order to promote international uniformity, IEC National
17、Committees undertake to apply IEC Publicationstransparently to the maximum extent possible in their national and regional publications. Any divergence betweenany IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not pr
18、ovide any attestation of conformity. Independent certification bodies provide conformityassessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for anyservices carried out by independent certification bodies. 6) All users should ensure that they have the lat
19、est edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts andmembers of its technical committees and IEC National Committees for any personal injury, property damage orother damage of any nature whatsoever, wheth
20、er direct or indirect, or for costs (including legal fees) and expensesarising 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 isindis
21、pensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patentrights. IEC shall not be held responsible for identifying any or all such patent rights. The main task of IEC technical com
22、mittees is to prepare International Standards. However, atechnical committee may propose the publication of a Technical Report when it has collecteddata of a different kind from that which is normally published as an International Standard, forexample “state of the art“. IEC TR 63021, which is a Tec
23、hnical Report, has been prepared by IEC technical committee 2:Rotating machinery. The text of this Technical Report is based on the following documents: Enquiry draft Report on voting 2/1794/DTR 2/1823A/RVC Full information on the voting for the approval of this Technical Report can be found in the
24、reporton voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. PD IEC/TR 63021:2016 4 IEC TR 63021:2016 IEC 2016 The committee has decided that the contents of this document will remain unchanged until thestability date indicated on th
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