ANSI UL 61730-1-2017 UL Standard for Safety Photovoltaic (PV) Module Safety Qualification C Part 1 Requirements for Construction (First Edition).pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 61730-1 Photovoltaic (PV) Module Safety Qualication Part 1: Requirements for Construction STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION W

2、ITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Photovoltaic (PV) Module Safety Qualication Part 1: Requirements for Construction, UL 61730-1 First Edition, Dated December 4, 2017 Summary o

3、f Topics UL 61730-1 is an adoption of IEC 61730-1, Photovoltaic (PV) Module Safety Qualication Part 1: Requirements for Construction (Second Edition, issued by the IEC August 2016). Please note that the National Difference document incorporates all of the U.S. national differences for UL 61730-1. Th

4、e requirements are substantially in accordance with Proposal(s) on this subject dated June 9, 2017, September 15, 2017, October 13, 2017, and October 27, 2017. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, e

5、lectronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL

6、 be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibi

7、lity of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, lia

8、bility, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. DECEMBER 4, 2017 UL 61730-1 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTIO

9、N OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 4, 2017 UL 61730-1 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 4, 2017 1 UL 61730-1 Photovoltaic (PV) Module Safety Qualication Part 1: Requirements f

10、or Construction First Edition December 4, 2017 This ANSI/UL Standard for Safety consists of the First Edition dated December 4, 2017. The most recent designation of ANSI/UL 61730-1 as an American National Standard (ANSI) occurred on December 4, 2017. ANSI approval for a standard does not include the

11、 Cover Page, Transmittal Pages, Title Page, or Preface. The National Difference Page and IEC Foreword are also excluded from the ANSI approval of IEC-based standards. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via

12、 a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding

13、 those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2017 UNDERWRITERS LABORATORIES INC. ANSI/UL 61730-1-2017UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 4, 2017 UL 61730-1 2 No Text on This PageUL COPYR

14、IGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS PREFACE 6 NATIONAL DIFFERENCES .7 FOREWORD 8 1 Scope 10 2 Normative references.10 3 Terms and denitions 13 3.1 General terms and denitions .13 3.2 Components 15 3.3 Installation and applicatio

15、n16 3.4 Insulation system 17 3.5 Ratings 19 4 Classication, applications and intended use 21 4.1 General 21 4.2 PV modules of class 0 .21 4.3 PV modules of class II .22 4.4 PV modules of class III.23 4.5 Intended use24 5 Requirements for design and construction 25 5.1 General 25 5.2 Marking and docu

16、mentation 26 5.3 Electrical components and insulation.32 5.4 Mechanical and electromechanical connections .36 5.5 Materials .40 5.6 Protection against electric shock 45 Annex A (informative) Symbol Do not disconnect under load Annex B (normative) Insulation coordination B.1 General .61 B.2 Inuencing

17、 factors61 B.2.1 General 61 B.2.2 Overvoltage category (4.3.3.2 of IEC 60664-1:2007) and rated impulse voltage .62 B.3 Clearances 64 B.4 Creepage distances 65 B.4.1 General 65 B.4.2 Voltage.66 B.4.3 Orientation and location of a creepage distance .66 B.4.4 Shape of insulating surface .66 B.4.5 Time

18、under voltage stress 66 B.5 Cemented joints .66 B.6 Enclosed parts.67 B.7 Distance through insulation67 B.7.1 Cemented joints .67 B.7.2 Insulation through thin layers68 DECEMBER 4, 2017 UL 61730-1 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FRO

19、M UL B.8 Methods of measuring clearances (cl) and creepage distances (cr) 68 B.9 Figures examples 68 DECEMBER 4, 2017 UL 61730-1 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 4, 2017 UL 61730-1 5 No Text on This PageUL COPYRIGHTE

20、D MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PREFACE This UL Standard is based on IEC Publication IEC 61730-1: Second edition Photovoltaic (PV) Module Safety Qualication Part 1: Requirements for Construction. IEC publication IEC 61730-1 is copyrighted

21、 by the IEC. These materials are subject to copyright claims of IEC and UL. No part of this publication may be reproduced in any form, including an electronic retrieval system, without the prior written permission of UL. All requests pertaining to the Photovoltaic (PV) Module Safety Qualication Part

22、 1: Requirements for Construction, 61730-1, Standard should be submitted to UL. Note Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particula

23、r purpose. DECEMBER 4, 2017 UL 61730-1 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NATIONAL DIFFERENCES National Differences from the text of International Electrotechnical Commission (IEC) Publication IEC 61730-1 are indicated by notat

24、ions (differences) and are presented in bold text. There are ve types of National Differences as noted below. The difference type is noted on the rst line of the National Difference in the standard. The standard may not include all types of these National Differences. DR These are National Differenc

25、es based on the national regulatory requirements. D1 These are National Differences which are based on basic safety principles and requirements, elimination of which would compromise safety for consumers and users of products. D2 These are National Differences from IEC requirements based on existing

26、 safety practices. These requirements reect national safety practices, where empirical substantiation (for the IEC or national requirement) is not available or the text has not been included in the IEC standard. DC These are National Differences based on the component standards and will not be delet

27、ed until a particular component standard is harmonized with the IEC component standard. DE These are National Differences based on editorial comments or corrections. Each national difference contains a description of what the national difference entails. Typically one of the following words is used

28、to explain how the text of the national difference is to be applied to the base IEC text: Addition / Add - An addition entails adding a complete new numbered clause, subclause, table, gure, or annex. Addition is not meant to include adding select words to the base IEC text. Modication / Modify - A m

29、odication is an altering of the existing base IEC text such as the addition, replacement or deletion of certain words or the replacement of an entire clause, subclause, table, gure, or annex of the base IEC text. Deletion / Delete - A deletion entails complete deletion of an entire numbered clause,

30、subclause, table, gure, or annex without any replacement text. DECEMBER 4, 2017 UL 61730-1 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTERNATIONAL ELECTROTECHNICAL COMMISSION PHOTOVOLTAIC (PV) MODULE SAFETY QUALIFICATION Part 1: Requi

31、rements for construction 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 all questions concerni

32、ng standardization in the electrical and electronic elds. To this end and in addition to other activities, IEC publishes International Standards, Technical Specications, Technical Reports, Publicly Available Specications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their prepara

33、tion is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and nongovernmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with

34、 the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subje

35、cts since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical

36、content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent po

37、ssible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certication bodies provide conform

38、ity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certication bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors

39、, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out

40、 of the publication, use of, or reliance upon, this IEC Publication 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 t

41、o 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 61730-1 has been prepared by IEC technical committee 82: Solar photovoltaic energy syst

42、ems. This second edition cancels and replaces the rst edition of IEC 61730-1, issued in 2004, and its amendments 1 (2011) and 2 (2013); it constitutes a technical revision. DECEMBER 4, 2017 UL 61730-1 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION

43、 FROM UL This edition includes the following signicant technical changes with respect to the previous edition: a) Adaption of horizontal standards and inclusion of IEC 60664 and IEC 61140. b) Implementation of insulation coordination, overvoltage category, classes, pollution degree (PD), and materia

44、l groups (MG). c) Implementation of component qualication. d) IEC Guide 108 Guidelines for ensuring the coherency of IEC publications Application of horizontal standards. e) Denition of creepage (cr), clearance (cl) and distance through insulation. The text of this standard is based on the following

45、 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 voting 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 t

46、he IEC 61730 series, published under the general title Photovoltaic (PV) module safety qualication, 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 website under http:/webstore.iec.ch

47、 in the data related to the specic publication. At this date, the publication will be reconrmed, withdrawn, replaced by a revised edition; or amended. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the c

48、orrect understanding of its contents. Users should therefore print this document using a colour printer. DECEMBER 4, 2017 UL 61730-1 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PHOTOVOLTAIC (PV) MODULE SAFETY QUALIFICATION Part 1: Requi

49、rements for construction 1 Scope This part of IEC 61730 species and describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation. Specic topics are provided to assess the prevention of electrical shock, re hazards, and personal injury due to mechanical and environmental stresses. This part of IEC 61730 pertains to the particular requirements of construction. IEC 61730-2 denes t