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    EN 62271-108-2006 en High-voltage switchgear and controlgear Part 108 High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72 5 kV and above《高压开关设备.pdf

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    EN 62271-108-2006 en High-voltage switchgear and controlgear Part 108 High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72 5 kV and above《高压开关设备.pdf

    1、BRITISH STANDARDBS EN62271-108:2006High-voltage switchgear and controlgear Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and aboveThe European Standard EN 62271-108:2006 has the status of a British StandardICS 29.130.10g49g50g3g38g50g51g60g44

    2、g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 62271-108:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee

    3、on 31 May 2006 BSI 2006ISBN 0 580 48313 4National forewordThis British Standard is the official English language version of EN 62271-108:2006. It is identical with IEC 62271-108:2005.The UK participation in its preparation was entrusted to Technical Committee PEL/17/1, High voltage switchgear and co

    4、ntrolgear, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue un

    5、der the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct app

    6、lication. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; moni

    7、tor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, the EN foreword page, the IEC title page, pages 2 to 23 and a back cover.The BSI copyright notice displayed in this docum

    8、ent indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 62271-108 NORME EUROPENNE EUROPISCHE NORM March 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisch

    9、es Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62271-108:2006 E ICS 29.130.10 English version High-voltage switchgear and con

    10、trolgear Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and above (IEC 62271-108:2005) Appareillage haute tension Partie 108: Disjoncteurs-sectionneurs courant alternatif haute tension de tensions assignes suprieures ou gales 72,5 kV (CEI 6227

    11、1-108:2005) Hochspannungs-Schaltgerte und -Schaltanlagen Teil 108: Hochspannungs-Wechselstrom-Leistungsschalter mit Trennfunktion fr Bemessungsspannungen grer oder gleich 72,5 kV (IEC 62271-108:2005) This European Standard was approved by CENELEC on 2005-12-01. CENELEC members are bound to comply wi

    12、th the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretar

    13、iat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the

    14、official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Roma

    15、nia, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of document 17A/742/FDIS, future edition 1 of IEC 62271-108, prepared by SC 17A, High-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the IEC-CENELEC parallel

    16、vote and was approved by CENELEC as EN 62271-108 on 2005-12-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-10-01 latest date by which the national standards conflict

    17、ing with the EN have to be withdrawn (dow) 2008-12-01 This European Standard should be read in conjunction with EN 62271-100:2001, EN 62271-102:2002 and EN 60694:1996, to which it refers and which is applicable, unless otherwise specified. In order to simplify the indication of corresponding require

    18、ments, the same numbering of clauses and subclauses is used as in EN 60694. Additional subclauses are numbered from 101. This European Standard makes reference to International Standards. Where the International Standard referred to has been endorsed as a European Standard or a home-grown European S

    19、tandard exists, this European Standard shall be applied instead. Pertinent information can be found on the CENELEC web site. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62271-108:2005 was approved by CENELEC as a European Standard without any m

    20、odification. _ EN 62271-108:2006IECINTERNATIONAL STANDARD 62271-108First edition2005-10High-voltage switchgear and controlgear Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and above Reference number CEI/IEC 62271-108:2005 EN 62271-108:2006 2

    21、 CONTENTS 1 General4 1.1 Scope and object.4 1.2 Normative references 4 2 Normal and special service conditions.4 3 Terms and definitions .5 3.1 General terms.5 3.2 Assemblies of switchgear and controlgear.5 3.3 Parts of assemblies 5 3.4 Switching devices .5 3.5 Parts of switchgear and controlgear 5

    22、3.6 Operation .6 3.7 Characteristic quantities .6 4 Ratings 7 4.2 Rated insulation level8 4.112 Rated static terminal load .8 5 Design and construction .11 5.10 Nameplates 11 5.11 Interlocking devices 11 5.12 Position indication 11 5.102 Requirements in respect of the isolating distance of disconnec

    23、ting circuit-breakers.11 5.104.1 Securing of position 11 5.104.2 Additional requirements for power operated mechanisms.11 6 Type tests 12 6.1 General 12 6.2 Dielectric tests12 6.3 Radio interference (r.i.v.) tests12 6.4 Measurement of the resistance of the main circuit .12 6.5 Temperature-rise tests

    24、12 6.6 Short-time withstand current and peak withstand current tests .12 6.7 Verification of the degree of protection 12 6.8 Tightness tests .12 6.9 Electromagnetic compatibility tests12 6.101 Mechanical and environmental tests13 6.102 Miscellaneous provisions for making and breaking tests 13 6.103

    25、Test circuits for short-circuit making and breaking tests .13 6.104 Short-circuit test quantities .13 6.105 Short-circuit test procedure.13 6.106 Basic short-circuit test-duties 13 6.107 Critical current tests13 6.108 Single-phase and double-earth fault tests14 6.109 Short-line fault tests14 6.110 O

    26、ut-of-phase making and breaking tests .14 3 EN 62271-108:2006 6.111 Capacitive current switching tests .14 6.112 Special requirements for making and breaking tests on class E2 disconnecting circuit-breakers.14 6.113 Tests to verify the proper function of the position indicating device 14 A.6.105Test

    27、s to verify the proper function of the position indicating device 14 6.114 Combined function test .15 7 Routine tests 20 8 Guide to the selection of disconnecting circuit-breakers for service20 9 Information to be given with enquires, tenders and orders .20 10 Rules for transport, storage, installat

    28、ion, operation and maintenance.20 11 Safety 20 Annex A (informative) Explanatory notes and examples of disconnecting circuit-breakers21 Annex ZA (informative) A-deviations 23 Bibliography .22 Figure 1 Static terminal load forces 9 Figure 2 Directions for static terminal load tests10 Figure 3 Test se

    29、quence for mechanical operations and short-circuit combined function tests when performed as separate tests .16 Figure 4 Test sequence for mechanical operations and short-circuit combined function tests when performed in one sequence 17 Figure A.1 A making (breaking) unit (or several identical units

    30、 connected in series) which satisfies the dielectric requirements of a disconnector21 Figure A.2 Device with a single gap which is divided into a making (breaking) section and an isolating section 21 Figure A.3 Circuit-breaker which, together with a series connected disconnector, commonly satisfies

    31、the dielectric requirements of a disconnector in open position 21 Table 1 Recommended static terminal loads.8 EN 62271-108:2006 4 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and above 1 General 1.1 Sc

    32、ope and object This part of IEC 62271 applies to high-voltage alternating current disconnecting circuit-breakers for operation at frequencies of 50 Hz and 60 Hz on systems having voltages of 72,5 kV and above. This standard identifies which requirements of IEC 60694, IEC 62271-100 and IEC 62271-102

    33、standards are applicable. It also gives the additional requirements specific to these devices. This standard covers a circuit-breaker which, when in the open position, satisfies the requirements of both a circuit-breaker and a disconnector. As there is interaction between the requirements of the sep

    34、arate functions it is necessary to consider the standardisation of requirements. This standard details the requirements for a disconnecting circuit-breaker, identifying where these differ from the separate requirements of a discrete circuit-breaker and a disconnector. NOTE For design examples of dis

    35、connecting circuit-breakers, refer to Annex A. 1.2 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 edition of the referenced document (including an

    36、y amendments) applies. IEC 60694:1996, Common specifications for high-voltage switchgear and controlgear standards IEC 62271-100:2001, High-voltage switchgear and controlgear Part 100: High-voltage alternating-current circuit-breakers IEC 62271-102:2001, High-voltage switchgear and controlgear Part

    37、102: Alternating-current disconnectors and earthing switches IEC 62271-310:2004, High-voltage switchgear and controlgear Part 310: Electrical endurance testing for circuit-breakers of rated voltage 72,5 kV and above 2 Normal and special service conditions Clause 2 of IEC 60694 is applicable. 5 EN 62

    38、271-108:2006 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. NOTE 1 Certain definitions taken from IEC 60050(441), IEC 60050(604) and IEC 60694 are recalled here for ease of reference. NOTE 2 Additional definitions given here are classified in a

    39、manner that aligns with the classification used in IEC 60050(441). 3.1 General terms 3.1.1 switchgear and controlgear general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equip-ment

    40、with associated interconnections, accessories, enclosures and supporting structures IEV 441-11-01 3.2 Assemblies of switchgear and controlgear No particular definitions. 3.3 Parts of assemblies No particular definitions. 3.4 Switching devices 3.4.101 circuit-breaker mechanical switching device, capa

    41、ble of making, carrying and breaking currents under normal circuit conditions and also making, carrying for a specified time and breaking currents under specified abnormal circuit conditions such as those of short circuit IEV 441-14-20 3.4.102 disconnector mechanical switching device which provides,

    42、 in the open position, an isolating distance in accordance with specified requirements IEV 441-14-05 3.4.103 disconnecting circuit-breaker circuit-breaker satisfying the requirements of a disconnector, when the contacts are in open position 3.5 Parts of switchgear and controlgear No particular defin

    43、itions. EN 62271-108:2006 6 3.6 Operation 3.6.101 closed position (of a mechanical switching device) position in which the predetermined continuity of the main circuit of the device is secured IEV 441-16-22 3.6.102 open position (of a mechanical switching device) position in which the predetermined

    44、clearance between open contacts in the main circuit of the device is secured IEV 441-16-23 3.6.103 interlocking device device which makes the operation of a switching device dependent upon the position of operation of one or more other pieces of equipment IEV 441-16-49 3.7 Characteristic quantities

    45、3.7.101 insulation level for a disconnecting circuit-breaker, a characteristic defined by one or two values indicating the insulation withstand voltages IEV 604-03-47, modified 3.7.102 external insulation distances in atmospheric air, and surfaces of solid insulation of disconnectors and earthing sw

    46、itches in contact with the air, which are subject to dielectric stresses and to the effect of atmospheric and other external conditions such as pollution, humidity, vermin, etc. IEV 604-03-02, modified NOTE External insulation is either weather-protected or non-weather-protected, designed to operate

    47、 outside or inside closed shelters, respectively 3.7.103 internal insulation internal solid, liquid or gaseous parts of the insulation of equipment which are protected from the effects of atmospheric and other external conditions IEV 604-03-03 3.7.104 isolating distance (of a pole of a mechanical sw

    48、itching device) clearance between open poles meeting the safety requirements specified for disconnectors IEV 441-17-35, modified 7 EN 62271-108:2006 4 Ratings Clause 4 of IEC 62271-100 is applicable, unless stated otherwise. The characteristics of a disconnecting circuit-breaker, including its opera

    49、ting devices, and auxiliary equipment, that shall be used to determine the rating are the following: Rated characteristics to be given for all disconnecting circuit-breakers a) rated voltage; b) rated insulation level; c) rated frequency; d) rated normal current; e) rated short-time withstand current; f) rated peak withstand current; g) rated duration of short-circuit; h) rated supply voltage of closing and opening devices and of auxiliary circuits; i) rated supply frequency


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