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    SANS 62310-3-2008 Static transfer systems (STS) Part 3 Method for specifying performance and test requirements《静态转换系统(STS) 第3部分 性能确定方法及测试要求》.pdf

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    SANS 62310-3-2008 Static transfer systems (STS) Part 3 Method for specifying performance and test requirements《静态转换系统(STS) 第3部分 性能确定方法及测试要求》.pdf

    1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

    2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

    3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21717-4 SANS 62310-3:2008 Edition 1 IEC 62310-3:2008 Edition 1SOUTH AFRICAN NATIONAL STANDARD Static transfer systems (STS) Part 3: Method

    4、 for specifying performance and test requirements This national standard is the identical implementation of IEC 62310-3:2008 and is adopted with the permission of the International Electrotechnical Commission. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretori

    5、a 0001 Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS This standard may only be used and printed by approved subscription and freemailing clients of the SABS. SANS 62310-3:2008 Edition 1 IEC 62310-3:2008 Edition 1 Table of changes Change No. Date Scope National foreword This South Afr

    6、ican standard was approved by National Committee SABS TC 69, Power electronics and alternative energy conversion, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in November 2008. This standard may on

    7、ly be used and printed by approved subscription and freemailing clients of the SABS. IEC 62310-3 Edition 1.0 2008-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Static transfer systems (STS) Part 3: Method for specifying performance and test requirements Systmes de transfert statique (STS) Partie 3:

    8、 Mthode de spcification des performances et exigences dessai INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XA ICS 29.200; 29.240.30 PRICE CODE CODE PRIX ISBN 2-8318-9812-9SANS 62310-3:2008This standard may only be used and printed by approved subscription and f

    9、reemailing clients of the SABS. 2 62310-3 IEC:2008 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Terms and definitions .7 3.1 General definitions 7 3.2 Specified values10 3.3 Input values.11 3.4 Output values11 4 Performance requirements .12 4.1 Declared electrical characteristics .12 4.

    10、1.1 Performance classification.12 4.1.2 Main electrical characteristics13 4.2 Normal service conditions .14 4.3 Transfer characteristics.14 4.3.1 Load voltage14 4.3.2 Cross-current 15 4.4 Neutral management .15 4.4.1 Common neutral 15 4.4.2 Separately derived neutrals .15 4.4.3 Neutral current 15 4.

    11、4.4 Protective earth current .15 4.5 Performance requirements to be identified by the purchaser .16 5 STS tests .16 5.1 General .16 5.1.1 Type tests .16 5.1.2 Routine tests .16 5.1.3 Site tests .16 5.1.4 Testing schedule .16 5.2 Electrical tests.18 5.2.1 Insulation and dielectric.18 5.2.2 Light load

    12、 and functional test.18 5.2.3 No load19 5.2.4 Rated load.19 5.2.5 Transfer.19 5.2.6 Source tolerance .21 5.2.7 Overload and fault current .21 5.2.8 Operating losses .23 5.2.9 Backfeed .24 5.2.10 Abnormal operating conditions 25 5.3 Transportation and environment 26 5.3.1 General .26 5.3.2 Impact and

    13、 shock 26 5.3.3 Free fall.26 5.3.4 Storage .27 5.3.5 Temperature and humidity .28 5.3.6 Acoustic noise .28 SANS 62310-3:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.62310-3 IEC:2008 3 Annex A (normative) Reference load29 Annex B (normati

    14、ve) STS voltage sensing tolerance33 Annex C (informative) Neutral management in static transfer systems .35 Annex D (normative) Neutral switching in static transfer systems Additional requirements.37 Annex E (informative) Purchaser specification guidelines 39 Annex F (informative) Output short circu

    15、it test procedure.43 Annex G (normative) Backfeed protection test .47 Annex H (normative) Minimum and maximum cross-sections of copper conductors suitable for connection48 Bibliography49 Figure 1 Complying load current flow - Common grounding of a.c. input sources - common STS neutral 15 Figure 2 Ob

    16、jectionable load current flow - Independent grounding of a.c. input sources - common STS neutral .16 Figure 3 STS cross current test20 Figure 4 Typical circuit for measuring conduction losses24 Figure B.1 Source tolerance classification 1.33 Figure B.2 Source tolerance classification 2.34 Figure B.3

    17、 Source tolerance classification 3.34 Figure B.4 Source tolerance classification 4.34 Figure C.1 Continuous STS neutral with common grounding of a.c. input sources (complying load current flow) 35 Figure C.2 Continuous STS neutral with independent grounding of a.c. input sources + isolation transfor

    18、mer (complying load current flow) 36 Figure C.3 Switched STS with independent grounding of a.c. input sources (complying steady state load current flow) 36 Figure D.1 Load voltage variation upon neutral switch failure.37 Figure D.2 Overlapping switched STS neutral 38 Figure F.1 Test circuit for STS

    19、output withstand current.45 Table 1 Transfer interruption classification “T” .13 Table 2 Tests for STS performance characteristics 17 Table 3 Short time withstand current22 Table 4 Free fall testing .27 Table E.1 STS technical data sheet .41 Table F.1 Values of power-factors and time-constants corre

    20、sponding to test currents and ratio n between peak and r.m.s. values of current 44 Table H.1 Minimum and maximum cross-sections of copper conductors suitable for connection (extract from IEC 60439-1)48 SANS 62310-3:2008This standard may only be used and printed by approved subscription and freemaili

    21、ng clients of the SABS. 4 62310-3 IEC:2008 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ STATIC TRANSFER SYSTEMS (STS) Part 3: Method for specifying performance and test requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization compris

    22、ing 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 end and in addition to other activities, IEC publishes International Standar

    23、ds, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this prepara

    24、tory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organiza

    25、tions. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of

    26、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 content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation

    27、by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regiona

    28、l publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this public

    29、ation. 7) No liability shall attach to IEC or its directors, 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, o

    30、r for costs (including legal fees) and expenses arising out 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 corre

    31、ct application of this publication. 9) Attention is drawn to 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 62310-3 has been prepared by

    32、 subcommittee 22H: Uninterruptible power systems (UPS), of IEC technical committee 22: Power electronic systems and equipment. The text of this standard is based on the following documents: FDIS Report on voting 22H/105/FDIS 22H/107/RVD Full information on the voting for the approval of this standar

    33、d 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 of the IEC 62310 series, under the general title: Static transfer systems (STS), can be found on the IEC website. SANS 62310-3

    34、:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.62310-3 IEC:2008 5 The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.

    35、iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. SANS 62310-3:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS. 6 62310-3 IEC:20

    36、08 STATIC TRANSFER SYSTEMS (STS) Part 3: Method for specifying performance and test requirements 1 Scope The IEC 62310 series of three standards applies to stand-alone operating a.c. static transfer systems (STS) intended to ensure the continuity of load supply through controlled transfer, with or w

    37、ithout interruption of power, from two or more independent a.c. sources. This series of standards includes information for the overall integration of the STS and its accessories into the a.c. power network and includes requirements for the switching elements, their control and protective elements, w

    38、here applicable. Part 1 of the series concerns general and safety requirements. Part 2 of the series concerns electromagnetic compatibility (EMC) requirements. This Part 3 of the series concerns methods for specifying performance and test requirements including applicable safety tests referenced in

    39、standard IEC 62310-1 for general and safety requirements. This standard applies for single-phase, phase-phase and three-phase static transfers in a. c. systems up to 1 000 V. It takes precedence over all aspects of generic performance standards, and no additional performance testing is necessary. Th

    40、e requirements have been selected so as to be consistent with compatibility levels for low- frequency conducted disturbances and signalling in public low-voltage power supply systems (see IEC 61000-2-2) as well as to ensure an adequate level of performance when the STS is applied in diverse critical

    41、 load situations. The requirements take into account the differing test conditions necessary to encompass the range of physical sizes and power ratings of STS. This standard applies to STS as a stand-alone product, whether presented as a unit or an assembly of units. This standard does not apply to:

    42、 devices for d.c. source switching; single source systems; transfer systems using only electromechanical switching devices with interruption of the supply to the load during transfer and intended to be used in emergency power systems or covered by IEC 60947-6-1; automatic switching devices integrate

    43、d into UPS covered by the IEC 62040 series of UPS product standards. NOTE Additional or different requirements may apply to STS intended for use on board of vehicles including ships and aircrafts, in emergency power systems subject to a particular regulation e.g. health care facilities, fire fightin

    44、g or emergency rescue, in tropical countries or where elevations are greater than 1 000 m. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest editio

    45、n of the referenced document (including any amendments) applies. IEC 60068 (all parts), Environmental testing SANS 62310-3:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.62310-3 IEC:2008 7 IEC 60146-1-1, Semiconductor convertors General re

    46、quirements and line commutated convertors Part 1-1: Specifications of basic requirements IEC 60439-1, Low-voltage switchgear and controlgear assemblies Part 1: Type-tested and partially type-tested assemblies IEC 60529, Degrees of protection provided by enclosures (IP Code) IEC 60947-6-1, Low-voltag

    47、e switchgear and controlgear Part 6-1: Multiple function equipment Transfer switching equipment IEC 60950-1, Information technology equipment Safety Part 1: General requirements IEC 61000-2-2, Electromagnetic compatibility (EMC) Part 2-2: Environment Compatibility levels for low-frequency conducted

    48、disturbances and signalling in public low-voltage power supply systems IEC 62040-3, Uninterruptible power systems (UPS) Part 3: Method of specifying the performance and test requirements IEC 62310-1, Static Transfer Systems (STS) Part 1: General and safety requirements IEC 62310-2, Static Transfer S

    49、ystems (STS) Part 2: Electromagnetic Compatibility (EMC) requirements ISO 7779, Measurement of airbone noise emitted by information technology and telecommunications equipment 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 General definitions 3.1.1 static transfer system (STS) system that transfers a load, by static means, between a preferred source and an alternate source NOTE 1 The trans


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