IEC 61730-1-2016 Photovoltaic (PV) module safety qualification - Part 1 Requirements for construction《光电(PV)组件安全性鉴定.第1部分 构造要求》.pdf

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1、 IEC 61730-1 Edition 2.0 2016-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Photovoltaic (PV) module safety qualification Part 1: Requirements for construction Qualification pour la sret de fonctionnement des modules photovoltaques (PV) Partie 1: Exigences pour la construction IEC 61730-1:2016-08(e

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19、us donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61730-1 Edition 2.0 2016-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Photovoltaic (PV) module safety qualification Part 1: Requirements for construction Qualification pour la sret de fonc

20、tionnement des modules photovoltaques (PV) Partie 1: Exigences pour la construction INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 27.160 ISBN 978-2-8322-3574-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commissi

21、on Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 61730-1:2016 IEC 2016 CONTENTS FOREWORD. 5 1 Scope 7 2 Normati

22、ve references 7 3 Terms and definitions 9 3.1 General terms and definitions 10 3.2 Components 11 3.3 Installation and application 12 3.4 Insulation system 12 3.5 Ratings . 14 4 Classification, applications and intended use 16 4.1 General . 16 4.2 PV modules of class 0 . 16 4.2.1 General . 16 4.2.2 I

23、nsulation . 16 4.2.3 Application . 16 4.3 PV modules of class II . 17 4.3.1 General . 17 4.3.2 Insulation . 17 4.3.3 Application . 17 4.4 PV modules of class III 17 4.4.1 General . 17 4.4.2 Insulation . 17 4.4.3 Application . 18 4.5 Intended use . 18 5 Requirements for design and construction 18 5.1

24、 General . 18 5.2 Marking and documentation . 19 5.2.1 General . 19 5.2.2 Marking . 19 5.2.3 Documentation . 21 5.3 Electrical components and insulation . 23 5.3.1 General . 23 5.3.2 Internal wiring 23 5.3.3 External wiring and cables 23 5.3.4 Connectors 23 5.3.5 Junction boxes for PV modules 23 5.3

25、.6 Frontsheets and backsheets . 24 5.3.7 Insulation barriers 24 5.3.8 Electrical connections 24 5.3.9 Encapsulants . 25 5.3.10 Bypass diodes . 25 5.4 Mechanical and electromechanical connections . 25 5.4.1 General . 25 5.4.2 Screw connections . 26 5.4.3 Rivets 27 5.4.4 Thread-cutting screws 27 5.4.5

26、 Form/press/tight fit . 27 IEC 61730-1:2016 IEC 2016 3 5.4.6 Connections by adhesives 27 5.4.7 Other connections 28 5.5 Materials . 28 5.5.1 General . 28 5.5.2 Polymeric materials 28 5.5.3 Metallic materials . 31 5.5.4 Adhesives 31 5.6 Protection against electric shock . 31 5.6.1 General . 31 5.6.2

27、Protection against accessibility to hazardous live parts . 32 5.6.3 Insulation coordination . 33 5.6.4 Distance through insulation (dti) . 34 Annex A (informative) Symbol “Do not disconnect under load“ 40 Annex B (normative) Insulation coordination . 41 B.1 General . 41 B.2 Influencing factors . 41

28、B.2.1 General . 41 B.2.2 Overvoltage category (4.3.3.2 of IEC 60664-1:2007) and rated impulse voltage 41 B.3 Clearances . 43 B.4 Creepage distances 45 B.4.1 General . 45 B.4.2 Voltage 45 B.4.3 Orientation and location of a creepage distance 45 B.4.4 Shape of insulating surface 45 B.4.5 Time under vo

29、ltage stress 45 B.5 Cemented joints 46 B.6 Enclosed parts 46 B.7 Distance through insulation . 46 B.7.1 Cemented joints . 46 B.7.2 Insulation through thin layers . 46 B.8 Methods of measuring clearances (cl) and creepage distances (cr) 47 B.9 Figures examples 47 Figure 1 IEC 60417-5017 . 21 Figure 2

30、 IEC 60417-5021 . 21 Figure 3 IEC 60417-5018 . 21 Figure 4 Examples for individual layer assessment for relied upon insulation . 37 Figure A.1 Symbol “DO NOT DISCONNECT UNDER LOAD“ . 40 Figure A.2 Symbol “DO NOT DISCONNECT UNDER LOAD” (IEC 60417-6070) . 40 Figure B.1 Examples (1 to 11) of methods of

31、 measuring clearances and creepage distances 50 Figure B.2 Example for insulation coordination at glass/foil PV modules No cemented joint configuration . 50 Figure B.3 Example for creepage distance at glass/glass modules with edge insulation No cemented joint configuration 51 Figure B.4 Example for

32、a glass/glass module with cemented joints 51 4 IEC 61730-1:2016 IEC 2016 Table 1 Correlation between classes for protection against electric shock and former terms for application classes . 16 Table 2 Required type of insulation as defined in IEC 61140 . 33 Table 3 Distances through insulation, cree

33、page distances (cr) and clearances (cl) for Class II PV modules 38 Table 4 Distances through insulation, creepage distances (cr) and clearances (cl) for Class 0 and class III PV modules 39 Table B.1 Rated impulse voltage 42 Table B.2 Minimum clearances . 44 Table B.3 Multiplication factors for clear

34、ances of equipment rated for operation at altitudes up to 7 000 m 44 Table B.4 Dimensions of X . 47 IEC 61730-1:2016 IEC 2016 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PHOTOVOLTAIC (PV) MODULE SAFETY QUALIFICATION Part 1: Requirements for construction FOREWORD 1) The International Electrotechnic

35、al 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 all questions concerning standardization in the electrical and electronic fields. To this e

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44、ublication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC P

45、ublication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61730-1 has been prepared by IEC technical committee 82: Solar photovoltaic energy systems. This second edition cancels and replaces the first e

46、dition of IEC 61730-1, issued in 2004, and its amendments 1 (2011) and 2 (2013); it constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Adaption of horizontal standards and inclusion of IEC 60664 and IEC 61140.

47、b) Implementation of insulation coordination, overvoltage category, classes, pollution degree (PD), and material groups (MG). c) Implementation of component qualification. d) IEC Guide 108 Guidelines for ensuring the coherency of IEC publications Application of horizontal standards. 6 IEC 61730-1:20

48、16 IEC 2016 e) Definition of creepage (cr), clearance (cl) and distance through insulation. The text of this standard is based on the following documents: FDIS Report on voting 82/1128/FDIS 82/1146/RVD Full information on the voting for the approval of this standard can be found in the report on vot

49、ing indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 61730 series, published under the general title Photovoltaic (PV) module safety qualification, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC w