EN IEC 60034-27-1-2018 Rotating electrical machines - ParT 27-1 Off-line partial discharge measurements on the stator winding insulation of rotating electrical .pdf

1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Rotating electrical machinesPart 27-1: Off-line partial discharge measurements on the winding insulationBS EN IEC 60034-27-1:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 60034-27-1 June 2018 ICS 29.160.0

2、1 Supersedes CLC/TS 60034-27:2011English Version Rotating electrical machines - Part 27-1: Off-line partial discharge measurements on the stator winding insulation of rotating electrical machines (IEC 60034-27-1:2017) Machines lectriques tournantes - Partie 27-1: Mesures larrt des dcharges partielle

3、s effectues sur le systme disolation des enroulements statoriques des machines lectriques tournantes (IEC 60034-27-1:2017) Drehende elektrische Maschinen - Teil 27-1: Off-line Teilentladungsmessungen an Stnderwicklungsisolierungen drehender elektrischer Maschinen (IEC 60034-27-1:2017) This European

4、Standard was approved by CENELEC on 2018-01-17. CENELEC members are bound to 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 conc

5、erning such national standards may be obtained on application to the CEN-CENELEC 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 m

6、ember into its own language and notified to the CEN-CENELEC Management Centre 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, Former Yugoslav Repu

7、blic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Stand

8、ardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IE

9、C 60034-27-1:2018 ENational forewordThis British Standard is the UK implementation of EN IEC 60034-27-1:2018. It is identical to IEC 60034-27-1:2017. It supersedes DD CLC/TS 60034-27:2011, which is withdrawnThe UK participation in its preparation was entrusted to Technical Committee PEL/2, Rotating

10、electrical machinery.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Pu

11、blished by BSI Standards Limited 2018ISBN 978 0 580 93799 6ICS 29.160.01Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2018.Amendments/corrigenda issue

12、d since publicationDate Text affectedBRITISH STANDARDBS EN IEC 60034-27-1:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 60034-27-1 June 2018 ICS 29.160.01 Supersedes CLC/TS 60034-27:2011English Version Rotating electrical machines - Part 27-1: Off-line partial discharge measurements o

13、n the stator winding insulation of rotating electrical machines (IEC 60034-27-1:2017) Machines lectriques tournantes - Partie 27-1: Mesures larrt des dcharges partielles effectues sur le systme disolation des enroulements statoriques des machines lectriques tournantes (IEC 60034-27-1:2017) Drehende

14、elektrische Maschinen - Teil 27-1: Off-line Teilentladungsmessungen an Stnderwicklungsisolierungen drehender elektrischer Maschinen (IEC 60034-27-1:2017) This European Standard was approved by CENELEC on 2018-01-17. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which

15、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-CENELEC Management Centre or to any CENELEC member. This Eu

16、ropean 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 Centre has the same status as the official versions. CENELEC

17、members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,

18、 Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management C

19、entre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 60034-27-1:2018 EBS EN IEC 60034-27-1:2018EN IEC 60034-27-1:2018 2 European foreword The text of document 2/1877/FDIS, future edit

20、ion 1 of IEC 60034-27-1:2017, prepared by IEC/TC 2 “Rotating machinery“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 60034-27-1:2018. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an iden

21、tical national standard or by endorsement (dop) 2018-12-29 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2021-06-29 This document supersedes CEN/TS 60034-27:2011. Attention is drawn to the possibility that some of the elements of this document m

22、ay be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60034-27-1:2017 was approved by CENELEC as a European Standard without any modification. In the official version, for

23、 Bibliography, the following note has to be added for the standard indicated: IEC 60034-18-41 NOTE Harmonized as EN 60034-18-41 (not modified). BS EN IEC 60034-27-1:2018EN IEC 60034-27-1:2018 3 Annex ZA (normative) Normative references to international publications with their corresponding European

24、publications The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amend

25、ments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year

26、Title EN/HD Year IEC 60034-18-32 - Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems - Test procedures for form-wound windings - Evaluation of electrical endurance EN 60034-18-32 - IEC 60034-18-42 - Rotating electrical machines - Part 18-42: Partial discharge res

27、istant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters - Qualification tests EN 60034-18-42 - IEC 60034-27-4 - Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index of winding insulation of rotat

28、ing electrical machines EN IEC 60034-27-4 - IEC 60060-1 - High-voltage test techniques - Part 1: General definitions and test requirements EN 60060-1 - IEC 60060-2 - High-voltage test techniques - Part 2: Measuring systems EN 60060-2 - IEC 60270 2000 High-voltage test techniques - Partial discharge

29、measurements EN 60270 2001 + A1 2015 + A1 2016 IEC/TS 60034-27-2 - Rotating electrical machines - Part 27-2: On-line partial discharge measurements on the stator winding insulation of rotating electrical machines - - BS EN IEC 60034-27-1:2018This page deliberately left blank 2 IEC 60034-27-1:2017 IE

30、C 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 9 2 Normative references 9 3 Terms and definitions 10 4 Nature of PD in rotating machines . 12 4.1 Basics of PD . 12 4.2 Types of PD in rotating machines 13 4.2.1 General . 13 4.2.2 Internal discharges 13 4.2.3 Slot discharges 13 4.2.4 End-windin

31、g gap and surface discharges . 14 4.2.5 Foreign conductive materials discharges . 14 4.3 Pulse propagation in windings . 14 5 Measuring technologies and instrumentation . 15 5.1 General . 15 5.2 Influence of frequency response of measuring system 15 5.3 Effects of PD coupling units 16 5.4 Effect of

32、the measuring instrument 17 6 Visualization of measurements 17 6.1 General . 17 6.2 Minimum scope of PD data presentation . 17 6.3 Additional means of PD data representation 18 6.3.1 General . 18 6.3.2 Partial discharge pattern 19 7 Test circuits . 19 7.1 General . 19 7.2 Individual winding componen

33、ts 20 7.3 Complete windings 21 7.3.1 General . 21 7.3.2 Standard measurements (SX.X) . 22 7.3.3 Optional, extended measurements (EX.X) . 23 7.3.4 Using integrated test equipment (IX.X) 24 8 Normalization of measurements . 25 8.1 General . 25 8.2 Individual winding components 26 8.3 Complete windings

34、 26 9 Test procedures 28 9.1 Acquiring PD measurements on windings and winding components 28 9.1.1 General . 28 9.1.2 Test equipment and safety requirements . 28 9.1.3 Preparation of test objects . 28 9.1.4 Conditioning 29 9.1.5 Test voltages . 29 9.1.6 PD test procedure 30 2 IEC 60034-27-1:2017 IEC

35、 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 9 2 Normative references 9 3 Terms and definitions 10 4 Nature of PD in rotating machines . 12 4.1 Basics of PD . 12 4.2 Types of PD in rotating machines 13 4.2.1 General . 13 4.2.2 Internal discharges 13 4.2.3 Slot discharges 13 4.2.4 End-winding

36、 gap and surface discharges . 14 4.2.5 Foreign conductive materials discharges . 14 4.3 Pulse propagation in windings . 14 5 Measuring technologies and instrumentation . 15 5.1 General . 15 5.2 Influence of frequency response of measuring system 15 5.3 Effects of PD coupling units 16 5.4 Effect of t

37、he measuring instrument 17 6 Visualization of measurements 17 6.1 General . 17 6.2 Minimum scope of PD data presentation . 17 6.3 Additional means of PD data representation 18 6.3.1 General . 18 6.3.2 Partial discharge pattern 19 7 Test circuits . 19 7.1 General . 19 7.2 Individual winding component

38、s 20 7.3 Complete windings 21 7.3.1 General . 21 7.3.2 Standard measurements (SX.X) . 22 7.3.3 Optional, extended measurements (EX.X) . 23 7.3.4 Using integrated test equipment (IX.X) 24 8 Normalization of measurements . 25 8.1 General . 25 8.2 Individual winding components 26 8.3 Complete windings

39、26 9 Test procedures 28 9.1 Acquiring PD measurements on windings and winding components 28 9.1.1 General . 28 9.1.2 Test equipment and safety requirements . 28 9.1.3 Preparation of test objects . 28 9.1.4 Conditioning 29 9.1.5 Test voltages . 29 9.1.6 PD test procedure 30 BS EN IEC 60034-27-1:2018I

40、EC 60034-27-1:2017 IEC 2017 3 9.2 Identifying and locating the source of partial discharges . 32 10 Interpretation of test results . 32 10.1 General . 32 10.2 Interpretation of PD magnitude, inception and extinction voltage. 33 10.2.1 Basic interpretation 33 10.2.2 Trend in PD in a machine over time

41、 . 34 10.2.3 Comparisons between winding components or between windings 34 10.3 PD pattern recognition 35 10.3.1 General . 35 10.3.2 Basic interpretation 35 11 Test report . 37 Annex A (informative) Influence parameters of test frequency to testing procedure 39 Annex B (informative) Alternative meth

42、ods to determine discharge magnitudes . 40 B.1 Qm, according to definition 3.14 40 B.2 Cumulative repetitive PD magnitude Qr. 41 Annex C (informative) Other off-line methods for PD detection and methods for localization . 43 Annex D (informative) External noise, disturbance and sensitivity 44 D.1 Ge

43、neral . 44 D.2 Sensitivity . 44 D.3 Noise and signal-to-noise ratio 46 D.4 Disturbances . 46 Annex E (informative) Methods of disturbance suppression . 47 E.1 Frequency range limiting . 47 E.2 Phase window masking . 47 E.3 Masking by noise signal triggering 47 E.4 Noise signal detection by measuring

44、 the propagation time 47 E.5 Two-channel signal difference method 48 E.6 Suppression of constant wave (CW) signals by digital filtering 49 E.7 Noise and disturbance rejection using signal processing techniques . 49 Annex F (informative) Interpretation of PD magnitude data and phase resolved PD patte

45、rns 52 F.1 Instructions for interpretation of PRPD patterns 52 F.1.1 Example of PRPD patterns 52 F.1.2 Relative severity of different PD mechanisms 54 F.1.3 Interpretation of the PD measurements from the line side and from the star point . 55 F.1.4 Inductive discharges / Vibration sparking . 55 Anne

46、x G (informative) Test circuits for complete windings . 57 G.1 General . 57 G.2 Schemes and illustrations (see Figure G.1) . 57 Annex H (informative) Wide-band and narrow-band measuring systems 62 H.1 General . 62 H.2 Wide band systems . 63 H.3 Narrow band systems . 63 Bibliography 64 BS EN IEC 6003

47、4-27-1:2018 4 IEC 60034-27-1:2017 IEC 2017 Figure 1 Frequency response of a PD pulse and coupling units of various time constants 16 Figure 2 PD magnitude as a function of the normalized test voltage Q=f(U/Umax) . 18 Figure 3 Example of a PRPD pattern 19 Figure 4 Basic test circuits in accordance wi

48、th IEC 60270 21 Figure 5 Test circuit for PD measurement (S1.1) on complete windings . 22 Figure 6 Normalization of the test circuit for measurement S1.1 . 27 Figure 7 Test voltage applied to the test object during PD measurement 30 Figure 8 Example for identification and localization of PD sources

49、 36 Figure B.1 Example for the indication of polarity effect . 40 Figure B.2 Effect of A/D conversion accuracy and the calculation of Qr, Example . 42 Figure D.1 Recharging of the test object by various current components 45 Figure E.1 Without window masking . 47 Figure E.2 With window masking 47 Figure E.3 Pulse currents through the measuring circuit 48 Figure E.4 Example of noise rejection 50 Figure E.5 Example of cross-talk rejection . 51 Figure F.1 Example of PRPD patterns