EN 62689-2-2017 en Current and voltage sensors or detectors to be used for fault passage indication purposes - Part 2 System aspects.pdf

1、Current and voltage sensors or detectors, to be used for fault passage indication purposesPart 2: System aspectsBS EN 62689-2:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62689-2 September 2017 ICS 17.220.20

2、 English Version Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 2: System aspects (IEC 62689-2:2016) Capteurs ou dtecteurs de courant et de tension, utiliser pour indiquer le passage dun courant de dfaut - Partie 2: Aspects systmes (IEC 62689-2:2016

3、) Strom- und Spannungs-Sensoren oder Anzeigegerte zur Erkennung von Kurz- und Erdschlssen - Teil 2: Systemaspekte (IEC 62689-2:2016) This European Standard was approved by CENELEC on 2017-06-17. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditi

4、ons 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 European Standard exis

5、ts 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 members are the nati

6、onal 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, Norway, Poland, Por

7、tugal, 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 Centre: Avenue Marnix

8、 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62689-2:2017 E National forewordThis British Standard is the UK implementation of EN 62689-2:2017. It is identical to IEC 62689-2:2016.The UK participation in

9、 its preparation was entrusted to Technical Committee PEL/38, Instrument transformers.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 i

10、ts correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 83341 0ICS 17.220.20Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy a

11、nd Strategy Committee on 31 October 2017.Amendments/corrigenda issued since publicationDate Text affected BRITISH STANDARDBS EN 62689-2:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62689-2 September 2017 ICS 17.220.20 English Version Current and voltage sensors or detectors, to be used f

12、or fault passage indication purposes - Part 2: System aspects (IEC 62689-2:2016) Capteurs ou dtecteurs de courant et de tension, utiliser pour indiquer le passage dun courant de dfaut - Partie 2: Aspects systmes (IEC 62689-2:2016) Strom- und Spannungs-Sensoren oder Anzeigegerte zur Erkennung von Kur

13、z- und Erdschlssen - Teil 2: Systemaspekte (IEC 62689-2:2016) This European Standard was approved by CENELEC on 2017-06-17. 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

14、 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 European Standard exists in three official versions (English, French, German). A version in a

15、ny 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 members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia

16、, 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, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

17、 Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any for

18、m and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62689-2:2017 E BS EN 62689-2:2017EN 62689-2:2017 2 European foreword The text of document 38/504/FDIS, future edition 1 of IEC 62689-2, prepared by IEC/TC 38 “Instrument transformers“ was submitted to the IEC-CENELEC parallel vot

19、e and approved by CENELEC as EN 62689-2:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-03-22 latest date by which the national standards conflicting with the

20、document have to be withdrawn (dow) 2020-09-22 Attention is drawn to the possibility that some of the elements of this document may 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 S

21、tandard IEC 62689-2:2016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60044-7 NOTE Harmonized as EN 60044-7. IEC 60044-8 NOTE Harmonized as EN 60044-8. IEC 607

22、21-3-4 NOTE Harmonized as EN 60721-3-4. IEC 60870-5-101 NOTE Harmonized as EN 60870-5-101. IEC 60870-5-104 NOTE Harmonized as EN 60870-5-104. IEC 61850-7-2 NOTE Harmonized as EN 61850-7-2. IEC 61850-7-3 NOTE Harmonized as EN 61850-7-3. IEC 61869-1 NOTE Harmonized as EN 61869-1. IEC 61869-4 NOTE Harm

23、onized as EN 61869-4. IEC 61869-6 NOTE Harmonized as EN 61869-6. BS EN 62689-2:2017EN 62689-2:2017 2 European foreword The text of document 38/504/FDIS, future edition 1 of IEC 62689-2, prepared by IEC/TC 38 “Instrument transformers“ was submitted to the IEC-CENELEC parallel vote and approved by CEN

24、ELEC as EN 62689-2:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-03-22 latest date by which the national standards conflicting with the document have to be w

25、ithdrawn (dow) 2020-09-22 Attention is drawn to the possibility that some of the elements of this document may 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 62689-2:2

26、016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60044-7 NOTE Harmonized as EN 60044-7. IEC 60044-8 NOTE Harmonized as EN 60044-8. IEC 60721-3-4 NOTE Harmonize

27、d as EN 60721-3-4. IEC 60870-5-101 NOTE Harmonized as EN 60870-5-101. IEC 60870-5-104 NOTE Harmonized as EN 60870-5-104. IEC 61850-7-2 NOTE Harmonized as EN 61850-7-2. IEC 61850-7-3 NOTE Harmonized as EN 61850-7-3. IEC 61869-1 NOTE Harmonized as EN 61869-1. IEC 61869-4 NOTE Harmonized as EN 61869-4.

28、 IEC 61869-6 NOTE Harmonized as EN 61869-6. EN 62689-2:2017 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of their content constitutes require

29、ments of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevan

30、t 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 Title EN/HD Year IEC 62689-1 - Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 1:

31、 General principles and requirements EN 62689-1 - BS EN 62689-2:2017This page deliberately left blank 2 IEC 62689-2:2016 IEC 2016 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 9 2 Normative references 9 3 Terms, definitions, abbreviations and symbols . 9 3.1 Terms and definitions related to neutral

32、 point treatment 10 3.2 Abbreviations and symbols . 10 4 Choice of FPI/DSU requirements related to fault detection according to network operation mode and fault type . 10 4.1 General . 10 4.2 FPIs/DSUs for isolated neutral system 10 4.2.1 Earth fault detection 10 4.2.2 Polyphase fault detection . 11

33、 4.3 FPIs/DSUs for resonant earthed (neutral) system arc-suppression-coil-earth (neutral) system . 11 4.3.1 Earth fault detection 11 4.3.2 Polyphase fault detection . 12 4.4 FPIs/DSUs for solidly earthed neutral systems (systems with low-impedance earthed neutrals) 12 4.5 FPIs/DSUs for impedance ear

34、thed neutral system (resistive impedance earthed neutral system ) . 12 4.5.1 Earth fault detection 12 4.5.2 Polyphase fault detection . 13 4.6 FPIs/DSUs for systems with high presence of DER . 13 4.7 Summary of FPI/DSU requirements with respect to fault detection according to network operation mode

35、and fault type 13 5 Fault detecting principles according to network and fault type 15 5.1 General . 15 5.2 Earth fault detection and neutral treatment 18 5.2.1 General . 18 5.2.2 Earth fault detection in isolated neutral systems 18 5.2.3 Earth fault detection in resonant earthed systems 24 5.2.4 Ove

36、rcurrent detection in absence or negligible presence of DER . 35 5.2.5 Overcurrent detection in presence of a large amount of DER (significantly increasing short circuit current values) 37 Annex A (informative) Example of a possible solution for fault detection through FPIs/DSUs on closed loop feede

37、r . 39 A.1 General . 39 A.2 Double bipole model . 39 A.3 Analysis of zero-sequence values in case of fault on a line out of the closed loop 40 A.4 Analysis in case of fault on the closed-loop . 42 A.5 Example of on-field application . 44 Annex B (informative) Example of fault detection coordination

38、technique among FPIs/DSUs and MV feeder protection relays . 45 B.1 Autonomous fault detection confirmation from FPIs/DSUs . 45 2 IEC 62689-2:2016 IEC 2016 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 9 2 Normative references 9 3 Terms, definitions, abbreviations and symbols . 9 3.1 Terms and defin

39、itions related to neutral point treatment 10 3.2 Abbreviations and symbols . 10 4 Choice of FPI/DSU requirements related to fault detection according to network operation mode and fault type . 10 4.1 General . 10 4.2 FPIs/DSUs for isolated neutral system 10 4.2.1 Earth fault detection 10 4.2.2 Polyp

40、hase fault detection . 11 4.3 FPIs/DSUs for resonant earthed (neutral) system arc-suppression-coil-earth (neutral) system . 11 4.3.1 Earth fault detection 11 4.3.2 Polyphase fault detection . 12 4.4 FPIs/DSUs for solidly earthed neutral systems (systems with low-impedance earthed neutrals) 12 4.5 FP

41、Is/DSUs for impedance earthed neutral system (resistive impedance earthed neutral system ) . 12 4.5.1 Earth fault detection 12 4.5.2 Polyphase fault detection . 13 4.6 FPIs/DSUs for systems with high presence of DER . 13 4.7 Summary of FPI/DSU requirements with respect to fault detection according t

42、o network operation mode and fault type 13 5 Fault detecting principles according to network and fault type 15 5.1 General . 15 5.2 Earth fault detection and neutral treatment 18 5.2.1 General . 18 5.2.2 Earth fault detection in isolated neutral systems 18 5.2.3 Earth fault detection in resonant ear

43、thed systems 24 5.2.4 Overcurrent detection in absence or negligible presence of DER . 35 5.2.5 Overcurrent detection in presence of a large amount of DER (significantly increasing short circuit current values) 37 Annex A (informative) Example of a possible solution for fault detection through FPIs/

44、DSUs on closed loop feeder . 39 A.1 General . 39 A.2 Double bipole model . 39 A.3 Analysis of zero-sequence values in case of fault on a line out of the closed loop 40 A.4 Analysis in case of fault on the closed-loop . 42 A.5 Example of on-field application . 44 Annex B (informative) Example of faul

45、t detection coordination technique among FPIs/DSUs and MV feeder protection relays . 45 B.1 Autonomous fault detection confirmation from FPIs/DSUs . 45 BS EN 62689-2:2017IEC 62689-2:2016 IEC 2016 3 B.2 Fault detection confirmation from FPIs/DSUs through voltage presence/absence detection . 48 Biblio

46、graphy 49 Figure 1 General architecture of an FPI . 8 Figure 2 General three-phase diagram of an earth fault in isolated neutral system . 16 Figure 3 General three-phase diagram of an earth fault solidly earthed system (example 2) 17 Figure 4 Isolated neutral system detection of earth fault current

47、direction from FPI/DSU upstream from the fault location (fault downstream from the FPIs/DSUs location) 18 Figure 5 Isolated neutral system detection of earth fault current direction from FPI/DSU downstream from the fault location (fault upstream from the FPIs/DSUs location) 19 Figure 6 Isolated neut

48、ral system vector diagrams related to Figure 4 and Figure 5 20 Figure 7 Relationship between FPI/DSU regulated current threshold and earth fault current in case of non-directional earth fault current detection. Fault downstream from FPI/DSU A4-2 . 21 Figure 8 Relationship between FPI/DSU regulated c

49、urrent threshold and earth fault current in case of non-directional earth fault current detection. Fault downstream from FPI/DSU A4-1 and upstream from FPI/DSU A4-2 22 Figure 9 Relationship between FPI/DSU regulated current threshold and earth fault current in case of non-directional earth fault current detection. Fault on MV busbar (upstream from any FPI/DSU) . 23 Figure 10 Pure resonant earthed system detection of earth fault current direction from FPI/DSU upstream from the fault location (f