EN IEC 62909-1-2018 en Bi-directional grid-connected power converters - Part 1 General requirements.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Bi-directional grid connected power convertersPart 1: General requirements (IEC 62909-1:2017)BS EN IEC 62909-1:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62909-1 February 2018 ICS 29.200 English Versio

2、n Bi-directional grid-connected power converters - Part 1: General requirements (IEC 62909-1:2017) Convertisseurs de puissance connects aux rseaux bidirectionnels - Partie 1: Exigences gnrales (IEC 62909-1:2017) Bi-direktionale netzgekoppelte Leistungsumrichter - Teil 1: Allgemeine Anforderungen (IE

3、C 62909-1:2017) This European Standard was approved by CENELEC on 2017-06-23. 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

4、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 any other language made by translation under th

5、e 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, Cyprus, the Czech Republic, Denmark, Estonia

6、, 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, Turkey and the United Kingdom. European Commi

7、ttee for Electrotechnical Standardization 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

8、CENELEC Members. Ref. No. EN IEC 62909-1:2018 E National forewordThis British Standard is the UK implementation of EN IEC 62909-1:2018. It is identical to IEC 62909-1:2017.The UK participation in its preparation was entrusted to Technical Committee PEL/22, Power electronics.A list of organizations r

9、epresented 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 Published by BSI Standards Limited 2018ISBN 978

10、0 580 85391 3ICS 29.200Compliance 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 28 February 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH

11、STANDARDBS EN IEC 62909-1:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62909-1 February 2018 ICS 29.200 English Version Bi-directional grid-connected power converters - Part 1: General requirements (IEC 62909-1:2017) Convertisseurs de puissance connects aux rseaux bidirectionnels - P

12、artie 1: Exigences gnrales (IEC 62909-1:2017) Bi-direktionale netzgekoppelte Leistungsumrichter - Teil 1: Allgemeine Anforderungen (IEC 62909-1:2017) This European Standard was approved by CENELEC on 2017-06-23. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stip

13、ulate 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 Europ

14、ean 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 mem

15、bers 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, No

16、rway, 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 Cent

17、re: 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 62909-1:2018 E BS EN IEC 62909-1:2018EN IEC 62909-1:2018 2 European foreword The text of document 22E/182/FDIS, future edition 1 of I

18、EC 62909-1, prepared by SC 22E “Stabilized power supplies“ of IEC/TC 22 “Power electronic systems and equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 62909-1:2018. The following dates are fixed: latest date by which the document has to be implemented at na

19、tional level by publication of an identical national standard or by endorsement (dop) 2018-08-02 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2021-02-02 Attention is drawn to the possibility that some of the elements of this document may be the

20、 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 62909-1:2017 was approved by CENELEC as a European Standard without any modification. BS EN IEC 62909-1:2018EN IEC 62909-1:201

21、8 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 requirements of this document. For dated references, only the edi

22、tion 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 relevant EN/HD applies. NOTE 2 Up-to-date information on the late

23、st versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60038 (mod) 2009 IEC standard voltages EN 60038 12011 IEC 60146-2 1999 Semiconductor converters - Part 2: Self-commutated semiconductor converters including direct d.c.

24、 converters EN 60146-2 2000 IEC 61000-3-2 2014 Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current 16 A per phase) EN 61000-3-2 2014 IEC 61000-3-12 2011 Electromagnetic compatibility (EMC) - Part 3-12: Limits - Limits for harmonic c

25、urrents produced by equipment connected to public low-voltage systems with input current 16 A and 75 A per phase EN 61000-3-12 2011 IEC 61727 2004 Photovoltaic (PV) systems - Characteristics of the utility interface - - IEC 62109-1 2010 Safety of power converters for use in photovoltaic power system

26、s - Part 1: General requirements EN 62109-1 2010 IEC 62040-3 2011 Uninterruptible power systems (UPS) - Part 3: Method of specifying the performance and test requirements EN 62040-3 2011 IEC 62477-1 2012 Safety requirements for power electronic converter systems and equipment - Part 1: General EN 62

27、477-1 +A11 2012 2014 +A1 2016 +A1 2017 1The title of EN 60038 is “CENELEC standard voltages“. BS EN IEC 62909-1:2018This page deliberately left blank 2 IEC 62909-1:2017 IEC 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 9 4 GCPC general specifi

28、cation . 16 4.1 General . 16 4.2 Description of GCPC and its components 16 4.3 Operating modes 17 4.4 Interfaces with distributed energy resources . 20 5 Performance requirements. 20 5.1 DC-connection interface 20 5.1.1 General . 20 5.1.2 Capacitor discharge . 22 5.2 Converter 22 5.2.1 General . 22

29、5.2.2 DC/DC converter . 23 5.2.3 Bi-directional inverter . 23 5.3 Grid interface 23 5.3.1 General . 23 5.3.2 AC output to the grid 23 5.3.3 Input from the grid Harmonic currents . 24 5.4 AC output to the load under grid-independent operation 24 5.4.1 Conditions for the GCPC to supply a load 24 5.4.2

30、 Characteristics to be declared by the manufacturer . 25 6 Hazard protection requirements . 25 6.1 General . 25 6.2 Fault and abnormal conditions 25 6.3 Short-circuit and overload protection . 25 6.3.1 General . 25 6.3.2 Specification of input short-circuit withstand strength and output short-circui

31、t current ability 25 6.3.3 Short-circuit coordination (backup protection) 26 6.3.4 Protection by several devices 26 6.4 Protection against electric shock . 26 6.4.1 General . 26 6.4.2 Decisive voltage class . 26 6.4.3 Provision for basic protection . 26 6.4.4 Provision for fault protection 27 6.4.5

32、Enhanced protection 27 6.4.6 Protective measures 28 6.4.7 Insulation . 28 6.4.8 Compatibility with residual current-operated protective devices (RCD) . 31 6.5 Protection against electrical energy hazards . 31 6.5.1 Operator access areas. 31 6.5.2 Service access areas . 31 2 IEC 62909-1:2017 IEC 2017

33、 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 9 4 GCPC general specification . 16 4.1 General . 16 4.2 Description of GCPC and its components 16 4.3 Operating modes 17 4.4 Interfaces with distributed energy resources . 20 5 Performance requirement

34、s. 20 5.1 DC-connection interface 20 5.1.1 General . 20 5.1.2 Capacitor discharge . 22 5.2 Converter 22 5.2.1 General . 22 5.2.2 DC/DC converter . 23 5.2.3 Bi-directional inverter . 23 5.3 Grid interface 23 5.3.1 General . 23 5.3.2 AC output to the grid 23 5.3.3 Input from the grid Harmonic currents

35、 . 24 5.4 AC output to the load under grid-independent operation 24 5.4.1 Conditions for the GCPC to supply a load 24 5.4.2 Characteristics to be declared by the manufacturer . 25 6 Hazard protection requirements . 25 6.1 General . 25 6.2 Fault and abnormal conditions 25 6.3 Short-circuit and overlo

36、ad protection . 25 6.3.1 General . 25 6.3.2 Specification of input short-circuit withstand strength and output short-circuit current ability 25 6.3.3 Short-circuit coordination (backup protection) 26 6.3.4 Protection by several devices 26 6.4 Protection against electric shock . 26 6.4.1 General . 26

37、 6.4.2 Decisive voltage class . 26 6.4.3 Provision for basic protection . 26 6.4.4 Provision for fault protection 27 6.4.5 Enhanced protection 27 6.4.6 Protective measures 28 6.4.7 Insulation . 28 6.4.8 Compatibility with residual current-operated protective devices (RCD) . 31 6.5 Protection against

38、 electrical energy hazards . 31 6.5.1 Operator access areas. 31 6.5.2 Service access areas . 31 BS EN IEC 62909-1:2018IEC 62909-1:2017 IEC 2017 3 6.6 Protection against fire and thermal hazards 31 6.6.1 Circuits representing a fire hazard . 31 6.6.2 Components representing a fire hazard . 31 6.6.3 F

39、ire enclosures 32 6.6.4 Temperature limits . 32 6.6.5 Limited power sources . 32 6.7 Protection against mechanical hazards . 32 6.7.1 General . 32 6.7.2 Liquid cooled GCPC 32 6.8 Equipment with multiple sources of supply 33 6.9 Protection against environmental stresses 33 6.10 Protection against son

40、ic pressure hazards 33 6.10.1 General . 33 6.10.2 Sonic pressure and sound level . 33 6.11 Wiring and connections . 33 6.11.1 General . 33 6.11.2 Routing 34 6.11.3 Colour coding 34 6.11.4 Splices and connections 34 6.11.5 Accessible connections . 34 6.11.6 Interconnections between parts of the GCPC

41、. 34 6.11.7 Supply connections 34 6.11.8 Terminals 34 6.12 Enclosures 34 6.12.1 General . 34 6.12.2 Handles and manual controls . 34 6.12.3 Cast metal . 34 6.12.4 Sheet metal . 34 6.12.5 Stability test for enclosure . 35 7 Test requirements 35 7.1 General . 35 7.1.1 Test objectives and classificatio

42、n . 35 7.1.2 Selection of test samples . 35 7.1.3 Sequence of tests 35 7.1.4 Earthing conditions 35 7.1.5 General conditions for tests . 35 7.1.6 Compliance . 35 7.1.7 Test overview 35 7.2 Test specifications 35 7.2.1 Visual inspections (type test, sample test and routine test) 35 7.2.2 Mechanical t

43、ests 35 7.2.3 Electrical tests . 36 7.2.4 Abnormal operation and simulated faults tests . 38 7.2.5 Material tests . 40 7.2.6 Environmental tests (type tests) . 40 7.2.7 Hydrostatic pressure test (type test and routine test) . 41 8 Information and marking requirements . 41 8.1 General . 41 8.2 Inform

44、ation for selection . 41 BS EN IEC 62909-1:2018 4 IEC 62909-1:2017 IEC 2017 8.3 Information for installation and commissioning 41 8.3.1 General . 41 8.3.2 Mechanical considerations . 41 8.3.3 Environment 41 8.3.4 Handling and mounting 41 8.3.5 Enclosure temperature. 41 8.3.6 Connections 41 8.3.7 Pro

45、tection requirements . 42 8.3.8 Commissioning 42 8.4 Information for use 42 8.4.1 General . 42 8.4.2 Adjustment 43 8.4.3 Labels, signs and signals . 43 8.5 Information for maintenance 43 8.5.1 General . 43 8.5.2 Capacitor discharge . 43 8.5.3 Auto restart/bypass connection 43 8.5.4 Other hazards 43

46、8.5.5 Equipment with multiple sources of supply . 43 Bibliography 44 Figure 1 Example of GCPC structure . 17 Figure 2 Power flow of mode I 18 Figure 3 Power flow of mode II . 19 Figure 4 Power flow of mode III 19 Figure 5 Power flow of mode IV . 20 Figure 6 Examples of DC-connection interface voltag

47、e range . 21 Table 1 Alphabetical list of terms . 9 BS EN IEC 62909-1:2018IEC 62909-1:2017 IEC 2017 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ BI-DIRECTIONAL GRID-CONNECTED POWER CONVERTERS Part 1: General requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide

48、 organization for standardization comprising all national electrotechnical committees (IEC National 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 activi

49、ties, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly 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-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely