UL 2231-1-2012 UL Standard for Safety Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits General Requirements (Second Edition Reprint with revisions through and_1.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 2231-1 Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General RequirementsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PER

2、MISSION 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: General Requirements, UL 2231-1 Second Edition, Dated September 7, 2012 Summary

3、 of Topics This new edition of the Standard for Safety for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements, UL 2231-1, is being issued as a Trinational Standard with ANCE and CSA. The new and revised requirements are substantially in accordance with Propo

4、sal(s) on this subject dated February 17, 2012. All rights reserved. No part of this publication may be reproduced, stored 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 Sta

5、ndard 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 be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, los

6、t 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 possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard

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8、ntroduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard 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. T

9、he prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. SEPTEMBER 7, 2012 UL 2231-1 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PER

10、MISSION FROM UL SEPTEMBER 7, 2012 UL 2231-1 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Association of Standardization and Certication NMX-J-668/1-ANCE First Edition CSA Group CSA C22.2 No. 281.112 First Edition U

11、nderwriters Laboratories Inc. UL 2231-1 Second Edition Standard for Safety for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements September 7, 2012 ANSI/UL 2231-1-2012UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PER

12、MISSION FROM UL Commitment for Amendments This standard is issued jointly 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 stand

13、ard may be submitted to ANCE, CSA Group, or UL at any time. Revisions 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 addit

14、ional pages bearing their date of issue. ANCE will incorporate the 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 978-1-55491-814-0 2012 Canadian Standards Association All righ

15、ts reserved. No part of this publication may be reproduced in any form 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 s

16、ubject to periodic review, and suggestions for its improvement will 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 cl

17、ause, table, and/or gure number; wording of the proposed change; and 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

18、copyrights, ownerships, and rights regarding those Standards shall 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 22311 as an American National Standard (ANSI) occurred on September 7, 2012. ANSI a

19、pproval for a standard does not include the Cover Page, Transmittal 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 Collaborativ

20、e Standards Development System (CSDS) at http:/. To purchase UL Standards, 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 .4 1 Scope .6 2 Denitions 7 3 Normative

21、References 10 4 General .10 4.1 Basis of requirements 10 4.2 Application of requirements .11 5 Protective Elements 11 5.1 Charging circuit-interrupting device 11 5.2 Grounding monitor/interrupter .12 5.3 Isolation monitor/interrupter .12 6 Protective Systems .13 6.1 Grounded systems 13 6.2 Isolated

22、circuits .15 Annex A Reference Standards (Normative) A1 Reference Standards .17 SEPTEMBER 7, 2012 NMX-J-668/1-ANCE CSA C22.2 NO. 281.112 UL 2231-1 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the harmonized ANCE, CSA Grou

23、p, and UL Standard for Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements. It is the First edition of NMX-J-668/1-ANCE, the First edition of CSA C22.2 No. 281.1, and the Second edition of UL 22311. This edition of UL 22311 supersedes the previous edition pub

24、lished 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 Protection Systems for Electric Vehicle (EV) Supp

25、ly 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 de Normalizacin y Certicacin, A.C., CONANCE. Th

26、is 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 for Electrical Safety, and has been formally app

27、roved 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 considered a minimum quantity. Note: Although

28、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 uses the IEC format but is not based on, nor i

29、s 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 national differences are allowed for codes and governm

30、ental 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 country considers appropriate. Presentation is

31、 word for word except for editorial changes. Reasons for differences from IEC This standard provides general requirements for personnel protection systems for electric vehicle supply circuits for use in accordance with the electrical installation codes of Canada, Mexico, and the United States. At pr

32、esent 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-668/1-ANCE CSA C22.2 NO. 281.112 UL 2231-1 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTI

33、ON 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 with the procedural rules of the standards developmen

34、t 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 effective date for ANCE will be announced through th

35、e 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 7, 2012, all products Listed or Recognized by UL

36、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-668/1-ANCE CSA C22.2 NO. 281.112 UL 2231-1 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCT

37、ION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements 1 Scope 1.1 These requirements cover devices and systems intended for use in accordance with Annex A, Ref. No. 1, to reduce the risk of electric shock to the us

38、er from accessible parts, in grounded or isolated circuits for charging electric vehicles. These circuits are external to or on board the vehicle. 1.2 The devices and systems covered by these requirements are compatible with the designs of charging systems and vehicles where use is intended and are

39、rated accordingly. To assure compatibility, the charging system, the vehicle, or both, are in accordance with the features contained in 1.3 1.5. 1.3 The type of vehicle covered by these requirements, including all accessible conductive parts on the vehicle, has one or more of the following: a) Provi

40、sion for the connection of an equipment grounding conductor during battery charging, unless the vehicle has a system of reinforced or double insulation or all of the circuitry on the vehicle is electrically isolated from the supply circuit, b) Provision for the connection of ground-monitoring conduc

41、tors, where required, c) Reinforced insulation, or is double-insulated from the supply circuit, or d) No direct connection between current-carrying conductors and the vehicle chassis. 1.4 These requirements cover devices and systems where the grounding path impedance of the charging system to the ve

42、hicle is less than or equal to the impedance of the ungrounded conductor or conductors. 1.5 These requirements cover devices and systems where a continuous current less than 70 mA RMS is available from any accessible part of the charging system. 1.6 Devices covered by these requirements are intended

43、 to interrupt the electric circuit to the load when: a) A fault current to ground exceeds some predetermined value that is less than that required to operate the overcurrent protective device of the supply circuit, b) The grounding path becomes open-circuited or becomes an excessively high impedance

44、, or c) A path to ground is detected on an isolated (ungrounded) system. 1.7 These devices and systems are intended to be applied on electrical systems or include derived systems that are: a) Either end-grounded or centrally grounded when the operating voltage is 150 Vrms or less, b) Centrally groun

45、ded when the operating voltage is greater than 150 Vrms, or c) Isolated (ungrounded). SEPTEMBER 7, 2012 NMX-J-668/1-ANCE CSA C22.2 NO. 281.112 UL 2231-1 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 1.8 Charging circuit-interrupting devic

46、es covered by these requirements are investigated for their ability to provide protection based on: a) The type of current (60 Hz AC, DC, a combination of AC and DC, or AC at frequencies greater than 60 Hz) present in the circuit to be protected, and b) Voltage. 1.9 In Mexico and the US, these requi

47、rements do not cover ground-fault circuit-interrupters (GFCIs) intended for use as personnel protection in accordance with the national electrical codes on grounded 120 Vrms or 127 Vrms to ground, 60 Hz circuits. Such devices are covered under Annex A, Ref. No. 2. In Canada, these requirements do no

48、t cover ground-fault circuit-interrupters (GFCIs) in accordance with the national electrical code on grounded 120 Vrms or 127 Vrms to ground, 60 Hz circuits. Such devices are covered under Annex A, Ref. No. 2. 1.10 This Standard includes the Scope, Denitions, and Description of Requirements, includi

49、ng the required features of protection systems. The standards in Annex A, Ref. No. 3 contain the Performance and Construction requirements for protective devices that would become a part of a charging system. 2 Denitions 2.1 For the purposes of this Standard, the following denitions apply. 2.2 ACCESSIBLE PART A part so located that it is capable of being contacted by a person, either directly or by means of an accessibility probe. 2.3 BA