1、g3g3g3IEEE Guide for the Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations IEEE Industry Applications Society SPg3ponsored by the etroleum and Chemical Industry Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA 9 December 2011IEEE Std 1
2、349g4862011 (Revision of IEEE Std 1349-2001) IEEE Std 1349-2011 (Revision of IEEE Std 1349-2001) IEEE Guide for the Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations Sponsor Petroleum and Chemical Industry Committee of the IEEE Industry Applic
3、ations Society Approved 10 September 2011 IEEE-SA Standards Board Approved 3 December 2012 American National Standards Institute CreditsGrateful acknowledgment is made to the following organizations for granting permission to reprint excerpts, figures, and tables in this guide: Excerpts reprinted wi
4、th permission from NFPA 70-2011, National Electrical Code, Copyright 2011, National Fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA on the reference subject that is represented only by the standard in its entirety. Excerpts repri
5、nted with permission from NFPA 497 Recommended Practice for Classification of Flammable Liquids, Gases or Vapors and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas, Copyright 2008, National Fire Protection Association, Quincy, MA. This reprinted material i
6、s not the complete and official position of the NFPA on the reference subject, which is represented only by the standard in its entirety. Figures 2, 4, 5, 6, 8, G.1, and G.2 Courtesy of General Electric. Figure 3, Courtesy of Marathon Electric. Figure 7, Courtesy of Teco Westinghouse Motor Company.
7、Table C.2, Reprinted with permission from NFPA 70-2011, National Electrical Code, Copyright 2011, National Fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA on the reference subject which is represented only by the standard in its
8、entirety. Tables H.1 and H.2 from Hamer, P. S., Wood, B. M., Doughty, R. L., Gravell, R. L., Hasty, R. C., Wallace, S. E., and Tsao, J. P., “Flammable vapor ignition initiated by hot rotor surface within an induction motorreality or not? PCIC Conference Record, pp. 3747, 1997, Copyright 1997 IEEE. A
9、bstract: Three-phase and single-phase AC synchronous and induction electric motors in ratings 0.18 kW (1/4 hp) and larger are covered in this guide. Primary emphasis is on the use of open or nonexplosionproof or nonflameproof enclosed motors in Class I, Division 2 and Class I, Zone 2 locations as co
10、vered in NFPA 70-2011. Surface temperature test methods and sine wave and non-sine wave applications are covered. Precautions against excessive surface temperatures and sparking are included. To mitigate hot surface temperatures and sparking, this document provides guidance for selecting, operating,
11、 and maintaining motors in Class I, Division 2 and Class I, Zone 2 locations. This guide does not cover AC wound rotor motors and DC electric motors. Motors installed in locations other than Class I, Division 2 and Class I, Zone 2 as covered in NFPA 70-2011 are not covered in this guide. This docume
12、nt is not a specification and is not intended to be used as a specification for purchasing motors. The voltage breaks in this document are 1000 V and less, and over 1000 V. Keywords: adjustable speed drive; autoignition temperature; Class I, Division 2; Class I, Zone 2; classified locations; enclosu
13、re sparking; hazardous locations; IEEE 1349; induction motor; label test; motor; motor enclosure; motor temperature; multisection motor; paint test; rotor; rotor sparking; rotor temperature; synchronous motor; T Code; temperature code g120The Institute of Electrical and Electronics Engineers, Inc. 3
14、 Park Avenue, New York, NY 10016-5997, USA Copyright 2011 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 9 December 2011. Printed in the United States of America. IEEE is a registered trademark in the U.S. Patent +1 978 750 8400. Permission to photocopy
15、 portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. v Copyright 2011 IEEE. All rights reserved. IntroductionThis introduction is not part of IEEE Std 1349-2011, IEEE Guide for the Application of Electric Motors in Class I, D
16、ivision 2 and Class I, Zone 2 Hazardous (Classified) Locations. This guide was developed to assist individuals, organizations, and suppliers with the application of motors in Class I, Division 2 and Class I, Zone 2 locations, where flammable gases and vapors may occasionally be present. Notice to us
17、ers Laws and regulations Users of these documents should consult all applicable laws and regulations. Compliance with the provisions of this standard does not imply compliance to any applicable regulatory requirements. Implementers of the standard are responsible for observing or referring to the ap
18、plicable regulatory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so. Copyrights This document is copyrighted by the IEEE. It is made available for a wide varie
19、ty of both public and private uses. These include both use, by reference, in laws and regulations, and use in private self-regulation, standardization, and the promotion of engineering practices and methods. By making this document available for use and adoption by public authorities and private use
20、rs, the IEEE does not waive any rights in copyright to this document. Updating of IEEE documents Users of IEEE standards should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of amendments, corrigen
21、da, or errata. An official IEEE document at any point in time consists of the current edition of the document together with any amendments, corrigenda, or errata then in effect. In order to determine whether a given document is the current edition and whether it has been amended through the issuance
22、 of amendments, corrigenda, or errata, visit the IEEE Standards Association web site at http:/ieeexplore.ieee.org/xpl/standards.jsp, or contact the IEEE at the address listed previously. For more information about the IEEE Standards Association or the IEEE standards development process, visit the IE
23、EE-SA web site at http:/standards.ieee.org. ErrataErrata, if any, for this and all other standards can be accessed at the following URL: http:/standards.ieee.org/findstds/errata/index.html. Users are encouraged to check this URL for errata periodically. vi Copyright 2011 IEEE. All rights reserved. I
24、nterpretationsCurrent interpretations can be accessed at the following URL: http:/standards.ieee.org/findstds/interps/ index.html. PatentsAttention is called to the possibility that implementation of this guide may require use of subject matter covered by patent rights. By publication of this guide,
25、 no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries into the legal validity or scope of Patents Claims or determ
26、ining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory. Users of this guide are expressly advised that determination of the validity of any patent rights, and the ris
27、k of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. vii Copyright 2011 IEEE. All rights reserved. ParticipantsAt the time this guide was submitted to the IEEE-SA Standards Board for approval, the Motors in H
28、azardous Locations Working Group had the following membership: Lorraine K. Padden, Chair Paul Anderson, Vice Chair Frederick Bried, SecretaryCharlie Boynton Gabe F. DAlleva Daniel Delaney John Travis Griffith Royce M. King William Lockley Bharat Mistry Rajendra Mistry Daleep C. Mohla Art Neubauer Jo
29、el Northwall Rick Paes Javier Portos David Rains John Rama John Rydeski Tom Stewart Sandra Strickland Kevin Taylor Wayne Wasserman Barry M. Wood Ther Xiong The following individuals contributed to the development of this guide, but were not Working Group members at the time this guide was completed:
30、 Austin Bonnett Richard Doughty* Jim Dymond Carl J. Fredericks Shan Griffith Steve Hamilton Ralph Haynes * Mark Hodowanec Richard Holub Bob Keough William Magerkurth Robbie McElveen John Malinowski Hein Pham M. P. Reddy Chuck Straub Mike Toney * Past Co-Chair IEEE 1349 * Past Chair IEEE 1349 viii Co
31、pyright 2011 IEEE. All rights reserved. The following members of the individual balloting committee voted on this guide. Balloters may have voted for approval, disapproval, or abstention. Gabe F. DAlleva Paul Anderson Michael Bayer Thomas Bishop Frederick Bried William Byrd Weijen Chen Roger Daugher
32、ty Glenn Davis Gary Donner Donald Dunn Jim Dymond William Finley Carl F. Fredericks Manjinder Gill Randall Groves Paul Hamer Jung-Yu Han Lee Herron Scott Hietpas Richard Holub Richard C. Hulett Yuri Khersonsky Royce M. King Jim Kulchisky William Lawrence Duane Leschert William Lockley Greg Luri John
33、 Malinowski William McBride Bharat Mistry Daleep C. Mohla Paul Myers Art Neubauer Michael S. Newman Lorraine K. Padden Rick Paes Howard Penrose Christopher Petrola Iulian Profir John Rama Estellito Rangel, Jr. M. P. Reddy Bartien Sayogo Robert Seitz Gil Shultz James Smith Jeremy Smith Gary Stoedter
34、Gregory Stone John Vergis Kenneth White Barry M. Wood Donald Zipse ix Copyright 2011 IEEE. All rights reserved. When the IEEE-SA Standards Board approved this standard on 10 September 2011, it had the following membership: Richard H. Hulett, Chair John Kulick, Vice Chair Robert M. Grow, Past Chair J
35、udith Gorman, Secretary Masayuki Ariyoshi William Bartley Ted Burse Clint Chaplin Wael Diab Jean-Philippe Faure Alex Gelman Paul Houz Jim Hughes Joseph L. Koepfinger* David Law Thomas Lee Hung Ling Oleg Logvinov Ted Olsen Gary Robinson Jon Rosdahl Sam Sciacca Mike Seavey Curtis Siller Phil Winston H
36、oward Wolfman Don Wright * Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Satish Aggarwal, NRC Representative Richard DeBlasio, DOE Representative Michael Janezic, NIST Representative Catherine Berger IEEE Standards Project Editor Patricia Gerdon IEEE Sta
37、ndards Program Manager, Technical Program Developmentx Copyright 2011 IEEE. All rights reserved. Contents1. Overview 1g31.1 Scope . 2g31.2 Purpose 2g31.3 Background 2g31.4 Industry experience 3g32. Normative references 3g33. Definitions, acronyms, and abbreviations 4g33.1 Definitions . 4g33.2 Acrony
38、ms and abbreviations . 8g34. Phenomenon of a motor as a possible ignition source 9g34.1 Ignition overview. 10g34.2 Ignition components 10g34.3 Gas AIT and group designation. 11g34.4 Gas ingress. 11g35. Common applications. 13g35.1 Common application conditions 14g35.2 Surface temperatures . 15g35.3
39、Sparking. 15g35.4 General equipment considerations. 15g35.5 Application considerations for motors 1000 V and below. 19g35.6 Application considerations for motors above 1000 V . 20g35.7 Application considerations for synchronous motors 23g36. Uncommon application considerations. 26g36.1 High or low a
40、mbient temperature 26g36.2 High altitudes. 26g36.3 Nonsinusoidal power or adjustable speed operations 27g36.4 Duty cycle other than continuous 30g36.5 Excessive starts 30g36.6 High inertia load 30g36.7 NEMA Design C or D and low inrush motors. 31g36.8 Voltage and frequency variation 31g36.9 Overload
41、 32g36.10 Atmospheres with an AIT at or less than those of Table 1 33g36.11 Motor exposed surface temperature above Table 1 values or above Class B rise . 33g36.12 Other considerations 34g37. Operation and maintenance considerations 35g37.1 Commissioning considerations 35g37.2 Maintenance considerat
42、ions. 36g38. Preferred motor internal surface temperature test methods 37g38.1 Preferred motor rotor surface temperature test methods 38g38.2 Motor surface temperature test procedures 38g3Annex A (informative) Bibliography . 44g3xi Copyright 2011 IEEE. All rights reserved. Annex B (informative) Regu
43、lations and standards for motors used in areas where flammable gases or vapors may be present 48g3B.1 Occupational Safety and Health Administration (OSHA) 48g3B.2 National Fire Protection Association 48g3B.3 American Petroleum Institute . 49g3B.4 International standards 49g3Annex C (informative) AIT
44、 and group designations for Class I materials. 51g3C.1 AITs 51g3Annex D (informative) Motor enclosure types and protection techniques. 56g3D.1 Open motor (IP00, IC01) 57g3D.2 Totally enclosed motor . 58g3D.3 Zone protection methods 59g3Annex E (informative) Motor information tables. 63g3Annex F (inf
45、ormative) Multisection motor inspection procedure 67g3Annex G (informative) Motor sparking considerations 68g3G.1 General 68g3G.2 Motors over 1000 V 69g3G.3 Sparking across bearing lubrication due to CMV. 72g3Annex H (informative) Surface temperature study results and considerations. 75g3H.1 Hot mot
46、or surfaces 75g3H.2 Surface temperature study results . 76g3H.3 Temperature test observations 102g3Annex I (informative) Motor surface temperature test methods and limitations 105g3I.1 Infrared method 105g3I.2 Thermocouples placed in the air gap 106g3I.3 Hot versus cold slip 106g3I.4 Stator thermoco
47、uples 107g3I.5 Thermodynamic computer model. 107g3Annex J (informative) Event history 108g31 Copyright 2011 IEEE. All rights reserved. IEEE Guide for the Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations IMPORTANT NOTICE: This standard is not
48、intended to ensure safety, security, health, or environmental protection. Implementers of the standard are responsible for determining appropriate safety, security, environmental, and health practices or regulatory requirements. This IEEE document is made available for use subject to important notic
49、es and legal disclaimers. These notices and disclaimers appear in all publications containing this document and may be found under the heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Documents.” They can also be obtained on request from IEEE or viewed at http:/standards.ieee.org/IPR/disclaimers.html.1. Overview This guide is divided into several clauses. Clause 1 provides the scope of this guide. Clause 2 lists references to other standards that are inclusive when applying this guide. Clause 3 provides definitions, ab
