UL 2231-2-2012 UL Standard for Safety Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits Particular Requirements for Protection Devices for Use in Charging Syst.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 2231-2 Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices for Use in Charging SystemsUL COPYRIGHTED MATERIAL NOT AUTHORIZE

2、D FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements f

3、or Protection Devices for Use in Charging Systems, UL 2231-2 Second Edition, Dated September 7, 2012 Summary of Topics This new edition of the Standard for Safety for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices for Use in Cha

4、rging Systems, UL 2231-2, is being issued as a Trinational Standard with ANCE and CSA. The new and revised requirements are substantially in accordance with Proposal(s) on this subject dated February 17, 2012 and July 6, 2012. All rights reserved. No part of this publication may be reproduced, store

5、d in a retrieval system, or transmitted in any form by any means, electronic, 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 warranti

6、es of merchantability or tness for any purpose. In no event will UL 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

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9、tandard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the preface. The prior text for requirements that have been revised and that have a future effective date are located after the Standar

10、d, and are preceded by a SUPERSEDED REQUIREMENTS notice. SEPTEMBER 7, 2012 UL 2231-2 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 7, 2012 UL 2231-2 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER RE

11、PRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Association of Standardization and Certication NMX-J-668/2-ANCE First Edition CSA Group CSA C22.2 No. 281.212 First Edition Underwriters Laboratories Inc. UL 2231-2 Second Edition Standard for Safety for Personnel Protection Systems for Electric

12、Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices for Use in Charging Systems September 7, 2012 ANSI/UL 2231-2-2012UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued j

13、ointly by the Association of Standardization and Certication (ANCE), the Canadian Standards Association (operating as “CSA Group”), and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may be submitted to ANCE, CSA Group, or UL at any time. Revisio

14、ns to this standard will be made only after processing according to the standards development procedures of ANCE, CSA Group, and UL. CSA Group and UL will issue revisions to this standard by means of a new edition or revised or additional pages bearing their date of issue. ANCE will incorporate the

15、same revisions into a new edition of the standard bearing the same date of issue as the CSA Group and UL pages. Copyright 2012 ANCE Rights reserved in favor of ANCE. ISBN 978-1-55491-815-7 2012 Canadian Standards Association All rights reserved. No part of this publication may be reproduced in any f

16、orm whatsoever without the prior permission of the publisher. To purchase CSA Group Standards and related publications, visit CSA Groups Online Store at shop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044. This Standard is subject to periodic review, and suggestions for its improvement will

17、 be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquirescsagroup.org and include Proposal for change in the subject line: Standard designation (number); relevant clause, table, and/or gure number; wording of the proposed change; an

18、d rationale for the change. Copyright 2012 Underwriters Laboratories Inc. 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 those Standards shall

19、remain the sole and exclusive property of UL. This ANSI/UL Standard for Safety consists of the Second Edition. The most recent designation of ANSI/UL 22312 as an American National Standard (ANSI) occurred on September 7, 2012. ANSI approval for a standard does not include the Cover Page, Transmittal

20、 Pages, Title Page (front and back), or the Preface. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. To purchase UL Sta

21、ndards, visit Comm 2000 at http:/m- or call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface .5 INTRODUCTION 1 Scope .7 2 General 7 3 Components 7 4 Units of Measurement .7 5 Normative References .7 C

22、ONSTRUCTION 6 General 8 7 Grounding 8 8 Insulation and Protective Features 8 9 Double or Reinforced Insulation Bridged By Components .9 10 Accessibility of Energized Parts 9 11 Internal Wiring 11 12 Spacings 11 13 Clearances and Creepage Distances 12 14 Operating Mechanism .14 15 Isolation Monitor/I

23、nterrupter 14 16 Grounding Circuit .15 16.1 Grounding monitor/interrupter 15 16.2 Grounding circuit impedance .16 16.3 Grounding circuit employing a switched equipment grounding conductor .16 17 Supervisory Circuit 16 18 Leakage Cancellation .17 PERFORMANCE 19 General 17 20 Humidity Conditioning .19

24、 21 Leakage Current Test .19 22 Conditioning Tests 26 22.1 General .26 22.2 Impact tests .26 22.3 Drop tests .26 22.4 Shock and vibration test 27 23 System Operational Test Requirements .27 23.1 General .27 23.2 Ground-fault trip threshold .28 23.3 Interrupting time 37 23.4 High-resistance ground fa

25、ult test .38 23.5 Second neutral ground 42 23.6 Tests for isolation monitor/interrupters 45 23.7 Tests for ground monitor/interrupter 46 24 Resistance to Environmental Noise Test .48 24.1 General .48 24.2 Harmonic distortion immunity 48 SEPTEMBER 7, 2012 NMX-J-668/2-ANCE CSA C22.2 NO. 281.212 UL 223

26、1-2 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 24.3 Electrostatic discharge immunity .48 24.4 Radiated electromagnetic eld immunity 49 24.5 Immunity to conducted disturbances, induced by RF elds 49 24.6 Electrical fast transient immuni

27、ty .49 24.7 Voltage dips, short interruptions and voltage variations immunity .49 24.8 Magnetic eld immunity .50 24.9 Capacitor switching transient test .50 24.10 Voltage surge test .50 25 Normal Temperature Test .50 26 Dielectric Voltage-Withstand Test .52 27 Overload Test 53 28 Endurance Test 54 2

28、9 Low-Resistance Ground Fault Test .54 30 Supervisory Circuit Test .56 31 Abnormal Operations Test .56 32 Extra-Low-Resistance Ground Fault Test 57 33 Short Circuit Test .59 34 Terminal Lead Strain-Relief Test 59 35 Power-Supply Cord Strain-Relief Test .60 36 Mechanical Tests .60 37 Cable Flexing Te

29、st 60 38 Accessible Conductive Parts with Double or Reinforced Insulation Bridged by Components . .61 39 Switched Equipment Grounding Conductor Tests (US Only) .61 39.1 Switched equipment grounding conductor contact switching sequence .61 39.2 Switched equipment grounding conductor mechanical endura

30、nce test .62 39.3 Switched equipment grounding conductor ground fault test 62 40 Leakage Cancellation Tests .62 40.1 Class A GFCI masking 62 41 Dust Test 65 RATINGS 42 General 65 MARKINGS 43 General 66 Annex A Reference Standards (Normative) A1 Reference Standards .67 Annex B French and Spanish Tran

31、slations (Informative) B1 French and Spanish Translations .71 SEPTEMBER 7, 2012 NMX-J-668/2-ANCE CSA C22.2 NO. 281.212 UL 2231-2 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the harmonized ANCE, CSA Group, and UL Standard

32、 for Safety for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices for Use in Charging Systems. It is the First edition of NMX-J-668/2-ANCE, the First edition of CSA C22.2 No. 281.2, and the Second edition of UL 22312. This edition

33、of UL 22312 supersedes the previous edition published in 2002. This harmonized standard was prepared by the Association of Standardization and Certication (ANCE), CSA Group, and Underwriters Laboratories Inc. (UL). The efforts and support of the Technical Harmonization Working Group for Personnel Pr

34、otection Systems for Electric Vehicle (EV) Supply Circuits are gratefully acknowledged. This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. The present Mexican Standard was reviewed and approved by the Comit de Normalizacin de la Asociacin

35、de Normalizacin y Certicacin, A.C., CONANCE. This standard was reviewed by the CSA Subcommittee on Electric Vehicle Personal Protection Systems for Supply Circuits, under the jurisdiction of the CSA Technical Committee on Industrial Products and the CSA Strategic Steering Committee on Requirements f

36、or Electrical Safety, and has been formally approved by the CSA Technical Committee. This standard has been approved by the American National Standards Institute (ANSI) as an American National Standard. Where reference is made to a specic number of specimens to be tested, the specied number is to be

37、 considered a minimum quantity. 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 particular purpose. Level of harmonization This standard

38、 uses the IEC format but is not based on, nor is considered equivalent to, an IEC standard. This standard is published as an equivalent standard for ANCE, CSA Group, and UL. An equivalent standard is a standard that is substantially the same in technical content, except as follows: Technical nationa

39、l differences are allowed for codes and governmental regulations as well as those recognized as being in accordance with NAFTA Article 905, for example, because of fundamental climatic, geographical, technological, or infrastructural factors, scientic justication, or the level of protection that the

40、 country considers appropriate. Presentation is word for word except for editorial changes. Reasons for differences from IEC This standard provides particular requirements for personnel protection systems for electric vehicle supply circuits for use in accordance with the electrical installation cod

41、es of Canada, Mexico, and the United States. At present there is no IEC standard for these products for use in accordance with these codes. Therefore, this standard does not employ any IEC standard for base requirements. SEPTEMBER 7, 2012 NMX-J-668/2-ANCE CSA C22.2 NO. 281.212 UL 2231-2 5UL COPYRIGH

42、TED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Interpretations The interpretation by the standards development organization of an identical or equivalent standard is based on the literal text to determine compliance with the standard in accordance wit

43、h the procedural rules of the standards development organization. If more than one interpretation of the literal text has been identied, a revision is to be proposed as soon as possible to each of the standards development organizations to more accurately reect the intent. ANCE effective date The ef

44、fective date for ANCE will be announced through the Diario Ocial de la Federacin (Official Gazette) and is indicated on the cover page. CSA Group effective date The effective date for CSA Group will be announced through CSA Informs or a CSA Group certication notice. UL effective date As of September

45、 7, 2012, all products Listed or Recognized by UL must comply with the requirements in this Standard. A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSI approved standard. SEPTEMBER 7, 2012 NMX-J-668/2-ANCE CSA C22.2 NO. 281.212 UL 2231-2 6UL COPYRIG

46、HTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices for Use in Charging Systems INTRODUCTION 1 Scope 1.1 This Standard is intended to be

47、 read together with Annex A, Ref. No. 1. The requirements of Annex A, Ref. No. 1 apply unless modied by this Standard. 2 General 2.1 This Part contains the construction and performance requirements that are applied to a device that is intended to become an integral part of an overall device or charg

48、ing system. 2.2 Annex A, Ref. No. 1 contains an outline of the features required to provide protection based on voltage and grounding or isolation of the system or part of the system under consideration. 3 Components 3.1 Except as indicated in 3.2, a component of a product covered by this standard s

49、hall comply with the requirements for that component. 3.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 3.3 A component shall be used in accordance with its rating established for the intended conditions of use. 3.4 Specic com