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    BS PD IEC TS 61936-2-2015 Power installations exceeding 1 kV a c and 1 5 kV d c d c《交流电压超过1 kV和直流电压超过1 5 kV的电力装置 直流》.pdf

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    BS PD IEC TS 61936-2-2015 Power installations exceeding 1 kV a c and 1 5 kV d c d c《交流电压超过1 kV和直流电压超过1 5 kV的电力装置 直流》.pdf

    1、BSI Standards Publication Power installations exceeding 1 kV a.c. and 1,5 kV d.c. Part 2: d.c. PD IEC/TS 61936-2:2015National foreword This Published Document is the UK implementation of IEC/TS 61936-2:2015. The UK participation in its preparation was entrusted to Technical Committee PEL/99, Erectio

    2、n and operation of power installations. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards

    3、 Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 86074 4 ICS 29.020; 29.080.01 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 Aug

    4、ust 2015. Amendments/corrigenda issued since publication Date Text affected PUBLISHED DOCUMENT PD IEC/TS 61936-2:2015 IEC TS 61936-2 Edition 1.0 2015-03 TECHNICAL SPECIFICATION Power installations exceeding 1 kV a.c. and 1,5 kV d.c. Part 2: d.c. INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.020;

    5、29.080.01 ISBN 978-2-8322-2304-8 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside PD IEC/TS 61936-2:2015 2 IEC TS 61936-2:2015 IEC 2015 CONTENTS FOREWORD . 5 INTRODUCTION . 8 1 Sc

    6、ope 9 2 Normative references 9 3 Terms and definitions 10 4 Fundamental requirements 12 4.1 General . 12 4.1.1 General requirements 12 4.1.2 Agreements between supplier (manufacturer) and user . 12 4.2 Electrical requirements . 12 4.2.1 Methods of d.c. neutral point earthing 12 4.2.2 Voltage classif

    7、ication . 13 4.2.3 Current in normal operation . 13 4.2.4 Short-circuit current . 13 4.2.5 Rated frequency 13 4.2.6 Corona 13 4.2.7 Electric and magnetic fields . 14 4.2.8 Overvoltages . 14 4.2.9 Harmonics . 14 4.2.10 Galvanic separation between a.c. and d.c. systems . 14 4.3 Mechanical requirements

    8、 14 4.4 Climatic and environmental conditions 14 4.4.1 General . 14 4.4.2 Normal conditions 15 4.4.3 Special conditions . 15 4.5 Special requirements 15 5 Insulation . 15 5.1 General . 15 5.2 Selection of insulation level. 15 5.2.1 Consideration of methods of neutral earthing . 15 5.2.2 Consideratio

    9、n of rated withstand voltages 15 5.3 Verification of withstand values . 16 5.4 Minimum clearances of live parts 16 5.5 Minimum clearances between parts under special conditions 18 5.6 Tested connection zones 18 6 Equipment . 18 6.1 General requirements . 18 6.2 Specific requirements . 18 6.2.1 Switc

    10、hing devices 18 6.2.2 Reactors 18 6.2.3 Prefabricated type-tested switchgear . 19 6.2.4 Surge arresters 19 6.2.5 Capacitors . 19 6.2.6 Line traps 19 6.2.7 Insulators 19 6.2.8 Insulated cables 19 PD IEC/TS 61936-2:2015IEC TS 61936-2:2015 IEC 2015 3 6.2.9 Conductors and accessories 20 6.2.10 Rotating

    11、electrical machines 20 6.2.11 Static converters 20 6.2.12 Fuses 20 6.2.13 Electrical and mechanical Interlocking . 20 6.2.14 Electronic valve devices 20 6.2.15 Valve cooling system . 20 7 Installations . 21 7.1 General requirements . 21 7.1.1 Circuit arrangement . 21 7.1.2 Documentation 21 7.1.3 Tra

    12、nsport routes 21 7.1.4 Aisles and access areas 21 7.1.5 Lighting . 21 7.1.6 Operational safety . 21 7.1.7 Labelling 21 7.2 Outdoor installations of open design . 21 7.2.1 Protective barrier clearances . 22 7.2.2 Protective obstacle clearances 22 7.2.3 Boundary clearances . 22 7.2.4 Minimum height ov

    13、er access area 22 7.2.5 Clearances to buildings . 23 7.2.6 External fences or walls and access doors 25 7.3 Indoor installations of open design 25 7.4 Installation of prefabricated type-tested switchgear . 25 7.5 Requirements for buildings . 25 7.5.1 General . 25 7.5.2 Structural provisions 25 7.5.3

    14、 Rooms for switchgear 26 7.5.4 Maintenance and operating areas 26 7.5.5 Doors 26 7.5.6 Draining of insulating liquids 26 7.5.7 Air conditioning and ventilation 26 7.5.8 Buildings which require special consideration 27 7.6 High voltage/low voltage prefabricated substations . 27 7.7 Electrical install

    15、ations on mast, pole and tower . 27 8 Safety measures 27 8.1 General . 27 8.2 Protection against direct contact . 27 8.2.1 Measures for protection against direct contact . 27 8.2.2 Protection requirements . 27 8.3 Means to protect persons in case of indirect contact . 28 8.4 Means to protect persons

    16、 working on electrical installations . 28 8.5 Protection from danger resulting from arc fault 28 8.6 Protection against direct lightning strokes . 28 8.7 Protection against fire . 28 8.8 Protection against leakage of insulating liquid . 28 8.9 Identification and marking . 28 9 Protection, control an

    17、d auxiliary systems . 28 PD IEC/TS 61936-2:2015 4 IEC TS 61936-2:2015 IEC 2015 10 Earthing systems . 29 10.1 General . 29 10.2 Fundamental requirements 29 10.2.1 Safety criteria 29 10.2.2 Functional requirements 30 10.2.3 High and low voltage earthing systems 30 10.3 Design of earthing systems . 30

    18、10.3.1 General . 30 10.3.2 Power system faults. 31 10.3.3 Lightning and transients. 31 10.4 Construction of earthing systems 31 10.5 Measurements 31 10.6 Maintainability . 31 10.6.1 Inspections 31 10.6.2 Measurements . 32 11 Inspection and testing 32 11.1 General . 32 11.2 Verification of specified

    19、performances . 32 11.3 Tests during installation and commissioning . 32 11.4 Trial running . 32 12 Operation and maintenance manual 32 Annex A (informative) Values of rated insulation levels and minimum clearances in air based on nominal voltage of some HVDC projects worldwide 33 Annex B (normative)

    20、 Method of calculating the voltage limit . 35 Bibliography 36 Figure 1 Approaches with buildings (within closed electrical operating areas) 24 Figure 2 Touch voltage limit d.c. 30 PD IEC/TS 61936-2:2015IEC TS 61936-2:2015 IEC 2015 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ POWER INSTALLATIONS EXC

    21、EEDING 1 kV a.c. and 1,5 kV d.c. Part 2: d.c. 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 a

    22、ll questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publ

    23、ication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation.

    24、IEC collaborates closely with 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

    25、opinion on the relevant subjects 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

    26、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 by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transpare

    27、ntly to the maximum extent possible 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 certi

    28、fication bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability sha

    29、ll 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, or for costs (including leg

    30、al 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 correct application of this pub

    31、lication. 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. The main task of IEC technical committees is to prepare International Standards.

    32、In exceptional circumstances, a technical committee may propose the publication of a technical specification when the required support cannot be obtained for the publication of an International Standard, despite repeated efforts, or the subject is still under technical development or where, for any

    33、other reason, there is the future but no immediate possibility of an agreement on an International Standard. Technical specifications are subject to review within three years of publication to decide whether they can be transformed into International Standards. IEC 61936-2, which is a technical spec

    34、ification, has been prepared by technical committee 99: System engineering and erection of electrical power installations in systems with nominal voltages above 1 kV a.c. and 1,5 kV d.c., particularly concerning safety aspects. PD IEC/TS 61936-2:2015 6 IEC TS 61936-2:2015 IEC 2015 Future standards i

    35、n this series will carry the new general title as cited above. Titles of existing standards in this series will be updated at the time of the next edition. The text of this technical specification is based on the following documents: Enquiry draft Report on voting 99/130/DTS 99/132/RVC Full informat

    36、ion on the voting for the approval of this technical specification 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 the IEC 61936 series, published under the general title Po

    37、wer installations exceeding 1 kV a.c. and 1,5 kV d.c., can be found on the IEC website. The following differences exist in the countries indicated below: 7.2.4: For live parts without protective facilities, a minimum height H = N + 2 440 mm shall be maintained. (Australia) 7.2.6: Guidance reference

    38、construction can be found at ENA Doc 015. (Australia) 7.5.4: Space for evacuation shall always be at least 600 mm, even when removable parts or open doors, which are blocked in the direction of escape, intrude into the escape routes. (Australia) 8.7.1: Fire rating of barriers must be a minimum fire

    39、rating of 120 minutes. (Australia) 8.7.2: The dimensions G 1and G 2are to be measured from the inside edge wall of any bund wall rather than the measured point shown in Figure 7a) and 7b) of IEC 61936-1:2010/AMD1:2014 from the transformer where the bund wall is wider than the transformer. (Australia

    40、) 8.8: Spill containment should extend by 50% of the height of the transformer. (Australia) 10: For requirements on earthing, refer to AS 2067, Substations and High Voltage Installations. (Australia) 10.2.1: HV earthing systems should be designed according to tolerable voltages based on body impedan

    41、ces not exceeded by 5 % of the population, as given in Table 10 of IEC TS 60479-1:2005. (United Kingdom) 10.2.1: Permissible touch and step voltages in power installations shall be in accordance with Federal law concerning electrical installations (High and low voltage) (SR 734.0) and Regulations fo

    42、r electrical power installations (SR 743.2 StV). (Switzerland) 10.2.1 and Annex B: Earthing requirements are based on probabilistic calculations and so much of the clause is not appropriate for Australia. (Australia) PD IEC/TS 61936-2:2015IEC TS 61936-2:2015 IEC 2015 7 The committee has decided that

    43、 the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be transformed into an International standard, reconfirmed, withdrawn, repla

    44、ced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. 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 correct understanding of its contents. User

    45、s should therefore print this document using a colour printer. PD IEC/TS 61936-2:2015 8 IEC TS 61936-2:2015 IEC 2015 INTRODUCTION There are few national laws, standards and internal rules dealing with the matter coming within the scope of this technical specification, and these practices have been t

    46、aken as a basis for this work. This part of IEC 61936 contains the minimum requirements valid for IEC countries and some additional information which ensures an acceptable reliability of an installation and its safe operation. This part of IEC 61936 is published as a Technical Specification in order

    47、 to welcome contribution and involvement from a wider audience. This may provide the basis for a future international standard. The publication of this technical specification is believed to be a decisive step towards the gradual alignment all over the world of the practices concerning the design an

    48、d erection of high voltage power installations. Particular requirements for transmission and distribution installations as well as particular requirements for power generation and industrial installations are included in this technical specification. The relevant laws or regulations of an authority

    49、having jurisdiction takes precedence. PD IEC/TS 61936-2:2015IEC TS 61936-2:2015 IEC 2015 9 POWER INSTALLATIONS EXCEEDING 1 kV a.c. and 1,5 kV d.c. Part 2: d.c. 1 Scope This part of IEC 61936 provides, in a convenient form, common rules for the design and the erection of electrical power installations in systems with nominal voltages above 1,5 kV d.c., so as to provide safety and proper functioning for the use intended. This technical specification does not apply to the design and erection of any


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