IEC 62909-1-2017 Bi-directional grid-connected power converters - Part 1 General requirements《双向并网电源转换器 第1部分 通用要求》.pdf

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1、 IEC 62909-1 Edition 1.0 2017-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Bi-directional grid-connected power converters Part 1: General requirements Convertisseurs de puissance connects aux rseaux bidirectionnels Partie 1: Exigences gnrales IEC 62909-1:2017-05(en-fr) colour inside THIS PUBLICATI

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19、te publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62909-1 Edition 1.0 2017-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Bi-directional grid-connected power converters Part 1: General requirements Convertisseurs de puissance connects aux rseaux bidirectionnels Partie 1: Ex

20、igences gnrales INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.200 ISBN 978-2-8322-4365-7 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtai

21、ned this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 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 g

22、eneral 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 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

23、 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 . 24 5.4 AC output to the load under grid-independent operation 24 5.4.1 Conditions for the GCPC to supply a

24、 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 overload protection . 25 6.3.1 General . 25 6.3.2 Specification of input short-circuit withstand strength and outpu

25、t 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 6.4.2 Decisive voltage class . 26 6.4.3 Provision for basic protection . 26 6.4.4 Provision for fault prote

26、ction 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 electrical energy hazards . 31 6.5.1 Operator access areas. 31 6.5.2 Service access areas . 31 IEC 62909-1:

27、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 Fire enclosures 32 6.6.4 Temperature limits . 32 6.6.5 Limited power sources . 32 6.7 Protection against mechanical hazards . 32 6.

28、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 sonic 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 Gene

29、ral . 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 . 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 .

30、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 classification . 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 t

31、ests . 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 tests 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 Envir

32、onmental 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 Information for selection . 41 4 IEC 62909-1:2017 IEC 2017 8.3 Information for installation and commissioning 41 8.3.1 General . 41 8.3.

33、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 Protection 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

34、.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 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 Po

35、wer 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 voltage range . 21 Table 1 Alphabetical list of terms . 9 IEC 62909-1:2017 IEC 2017 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ BI-DIRECTIONAL GRID-CONNECTED

36、 POWER CONVERTERS Part 1: General requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on

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46、blication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62909-1 has been prepared by subcommittee 22E: Stabil

47、ized power supplies, of IEC technical committee 22: Power electronic systems and equipment. The text of this International Standard is based on the following documents: FDIS Report on voting 22E/182/FDIS 22E/183/RVD Full information on the voting for the approval of this International Standard can b

48、e found in the report on voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. 6 IEC 62909-1:2017 IEC 2017 This publication is to be read in conjunction with IEC 62477-1:2012. It follows the structure of IEC 62477-1:2012 and supplement

49、s or modifies its corresponding clauses. Wherever the term “PECS“ appears in the cited clauses, it needs to be replaced by “GCPC“. A list of all parts in the IEC 62909 series, published under the general title Bi-directional grid connected power converters, can be found on the IEC website. The committee has decided that the contents of this document will remain unchanged until the stability date indicated on the IEC website under “