1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationHigh-voltage switchgear and controlgearPart 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52kVBS EN 62271-203:2012National forewordThis British Standard i
2、s the UK implementation of EN 62271-203:2012. It isidentical to IEC 62271-203:2011. It supersedes BS EN 62271-203:2004, whichwill be withdrawn on 12 October 2014.The UK participation in its preparation was entrusted by Technical CommitteePEL/17, Switchgear, controlgear, and HV-LV co-ordination, to S
3、ubcommitteePEL/17/1, High-voltage switchgear and controlgear.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. The
4、 British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 62426 1ICS 29.130.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 Jun
5、e 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62271-203:2012EUROPEAN STANDARD EN 62271-203 NORME EUROPENNE EUROPISCHE NORM May 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches
6、 Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62271-203:2012 E ICS 29.130.10 Supersedes EN 62271-203:2004English version High-volt
7、age switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV (IEC 62271-203:2011) Appareillage haute tension - Partie 203: Appareillage sous enveloppe mtallique isolation gazeuse de tensions assignes suprieures 52 kV (CEI 62271-203:2011) Hochspann
8、ungs-Schaltgerte und -Schaltanlagen - Teil 203: Gasisolierte metallgekapselte Schaltanlagen fr Bemessungsspannungen ber 52 kV (IEC 62271-203:2011) This European Standard was approved by CENELEC on 2011-10-12. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipula
9、te 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 CEN-CENELEC Management Centre or to any CENELEC member. This European
10、 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 CEN-CENELEC Management Centre has the same status as the official versions. CENELEC member
11、s are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
12、 Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 62271-203:2012EN 62271-203:2012 - 2 - Foreword The text of document 17C/512/FDIS, future edition 2 of IEC 62271-203, prepared by SC 17C, “High-voltage switchgear and controlgear assemblies“, of IEC TC 17, “Switchgear and con
13、trolgear“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62271-203:2012. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-11-11 latest d
14、ate by which the national standards conflicting with the document have to be withdrawn (dow) 2014-10-12 This document supersedes EN 62271-203:2004. EN 62271-203:2012 includes the following significant technical changes with respect to EN 62271-203:2004: adopting the structure and the content to EN 6
15、2271-1, harmonisation with IEEE C37.122, addition of the new Annex F and the new Annex G. EN 62271-203:2012 should be read in conjunction with EN 62271-1:2008, to which it refers and which is applicable unless otherwise specified. In order to simplify the indication of corresponding requirements, th
16、e same numbering of clauses and subclauses is used as in EN 62271-1. Amendments to these clauses and subclauses are given under the same numbering, whilst additional subclauses, are numbered from 101. Attention is drawn to the possibility that some of the elements of this document may be the subject
17、 of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62271-203:2011 was approved by CENELEC as a European Standard without any modification. In the official version, for Biblio
18、graphy, the following notes have to be added for the standards indicated: IEC 60038 NOTE Harmonized as EN 60038. IEC 60060-1 NOTE Harmonized as EN 60060-1. IEC 60071-1:2006 NOTE Harmonized as EN 60071-1:2006 (not modified). IEC 61462 NOTE Harmonized as EN 61462. IEC 61672-1 NOTE Harmonized as EN 616
19、72-1. IEC 61672-2 NOTE Harmonized as EN 61672-2. IEC 62155 NOTE Harmonized as EN 62155. IEC 62271-207 NOTE Harmonized as EN 62271-207. BS EN 62271-203:2012- 3 - EN 62271-203:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications Th
20、e following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When
21、 an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60044-1 (mod) 1996 Instrument transformers - Part 1: Current transformers EN 60044-1 1999 IEC 60044-2 (mod) 1997 Instrument transformers - Pa
22、rt 2: Inductive voltage transformers EN 60044-21) 1999 IEC 60068-2-11 - Environmental testing - Part 2: Tests - Test Ka: Salt mist EN 60068-2-11 - IEC 60137 2008 Insulated bushings for alternating voltages above 1 000 V EN 60137 2008 IEC 60141-1 - Tests on oil-filled and gas-pressure cables and thei
23、r accessories - Part 1: Oil-filled, paper- insulated, metal-shealthed cables and accessories for alternating voltages up to and including 400 kV - - IEC 60270 - High-voltage test techniques - Partial discharge measurements EN 60270 - IEC 60376 - Specification of technical grade sulfur hexafluoride (
24、SF6) for use in electrical equipment EN 60376 - IEC 60480 - Guidelines for the checking and treatment of sulphur hexafluoride (SF6) taken from electrical equipment and specification for its re-use EN 60480 - IEC 60840 - Power cables with extruded insulation and their accessories for rated voltages a
25、bove 30 kV (Um = 36 kV) up to 150 kV (Um = 170 kV) - Test methods and requirements - - IEC/TS 61639 1996 Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages of 72,5 kV and above - - IEC 62067 - Power cables with extruded insulation and their ac
26、cessories for rated voltages above 150 kV (Um = 170 kV) up to 500 kV (Um = 550 kV) - Test methods and requirements - - IEC 62271-1 2007 High-voltage switchgear and controlgear - Part 1: Common specifications EN 62271-1 2008 IEC 62271-100 2008 High-voltage switchgear and controlgear - Part 100: Alter
27、nating current circuit-breakers EN 62271-100 2009 1) EN 60044-2 is superseded by EN 61869-3:2011, which is based on IEC 61869-3:2011. BS EN 62271-203:2012EN 62271-203:2012 - 4 - Publication Year Title EN/HD Year IEC 62271-102 + corr. April + corr. February + corr. May 2001 2002 2005 2003 High-voltag
28、e switchgear and controlgear - Part 102: Alternating current disconnectors and earthing switches EN 62271-102 + corr. July + corr. March 2002 2008 2005 IEC 62271-209 2007 High-voltage switchgear and controlgear - Part 209: Cable connections for gas-insulated metal-enclosed switchgear for rated volta
29、ges above 52 kV - Fluid-filled and extruded insulation cables - Fluid-filled and dry-type cable-terminations EN 62271-209 2007 IEC/TR 62271-303 - High-voltage switchgear and controlgear - Part 303: Use and handling of sulphur hexafluoride (SF6) CLC/TR 62271-303 - ISO 3231 - Paints and varnishes - De
30、termination of resistance to humid atmospheres containing sulphur dioxide EN ISO 3231 - BS EN 62271-203:2012- 5 - EN 62271-203:2012 Annex ZB (informative) A-deviations A-deviation: National deviation due to regulations, the alteration of which is for the time being outside the competence of the CENE
31、LEC member. This European Standard does not fall under any Directive of the EU. In the relevant CEN-CENELEC countries these A-deviations are valid instead of the provisions of the European Standard until they have been removed. Article 5.103.2 Deviation Italy (Italian pressure vessel code for electr
32、ical switchgear DM 1 December 1980 and DM 10 September 1981 published in Gazzetta Ufficiale della Repubblica Italiana n 285 dated 16.10.1981) For metal-enclosed switchgear and controlgear containing gas-filled compartments, the design pressure is limited to a maximum of 0,5 bar (gauge) and the volum
33、e is limited to a maximum of 2 m3. Gas filled compartments having a design pressure exceeding 0,5 bar (gauge) or a volume exceeding 2 m3 shall be designed according to the Italian pressure vessel code for electrical switchgear. BS EN 62271-203:2012 2 62271-203 IEC:2011 CONTENTS 1 General 8 1.1 Scope
34、 8 1.2 Normative references 8 2 Normal and special service conditions . 9 2.1 Normal service conditions 9 2.2 Special service conditions 9 3 Terms and definitions . 10 4 Ratings . 12 4.1 Rated voltage (Ur) . 13 4.2 Rated insulation level . 13 4.3 Rated frequency (fr) . 15 4.4 Rated normal current an
35、d temperature rise 15 4.4.1 Rated normal current (Ir) . 15 4.4.2 Temperature rise . 15 4.5 Rated short-time withstand current (Ik) 15 4.6 Rated peak withstand current (Ip) 15 4.7 Rated duration of short-circuit (tk) 15 4.8 Rated supply voltage of closing and opening devices and of auxiliary and cont
36、rol circuits (Ua) . 15 4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits 16 4.10 Rated pressure of compressed gas supply for controlled pressure systems 16 4.11 Rated filling levels for insulation and/or operation . 16 5 Design and construction 16 5.1 Requirements f
37、or liquids in switchgear and controlgear 16 5.2 Requirements for gases in switchgear and controlgear . 16 5.3 Earthing of switchgear and controlgear 16 5.4 Auxiliary and control equipment . 17 5.5 Dependent power operation . 17 5.6 Stored energy operation . 17 5.7 Independent manual or power operati
38、on (independent unlatched operation) . 17 5.8 Operation of releases 17 5.9 Low- and high-pressure interlocking and monitoring devices 17 5.10 Nameplates . 18 5.11 Interlocking devices . 18 5.12 Position indication 18 5.13 Degrees of protection by enclosures 18 5.14 Creepage distances for outdoor ins
39、ulators . 18 5.15 Gas and vacuum tightness . 19 5.15.1 Controlled pressure systems for gas 19 5.15.2 Closed pressure systems for gas . 19 5.15.3 Sealed pressure systems . 19 5.16 Liquid tightness . 19 5.17 Fire hazard (flammability) 19 5.18 Electromagnetic compatibility (EMC) 19 BS EN 62271-203:2012
40、62271-203 IEC:2011 3 5.19 X-Ray emission . 20 5.20 Corrosion 20 5.101 Pressure coordination 20 5.102 Internal fault 21 5.103 Enclosures 22 5.104 Partitions . 23 5.105 Pressure relief . 25 5.106 Noise . 26 5.107 Interfaces 26 6 Type tests . 27 6.1 General . 27 6.1.1 Grouping of tests . 27 6.1.2 Infor
41、mation for identification of specimens . 28 6.1.3 Information to be included in type-tests reports 29 6.2 Dielectric tests . 29 6.2.1 Ambient air conditions during tests . 29 6.2.2 Wet test procedure 29 6.2.3 Conditions of switchgear and controlgear during dielectric tests 29 6.2.4 Criteria to pass
42、the test 29 6.2.5 Application of the test voltage and test conditions . 29 6.2.6 Tests of switchgear and controlgear of Ur 245 kV 30 6.2.7 Tests of switchgear and controlgear of rated voltage Ur245 kV 30 6.2.8 Artificial pollution tests for outdoor insulators . 31 6.2.9 Partial discharge tests . 31
43、6.2.10 Dielectric tests on auxiliary and control circuits . 32 6.2.11 Voltage test as condition check 32 6.3 Radio interference voltage (r.i.v.) test 32 6.4 Measurement of the resistance of circuits 32 6.4.1 Main circuit 32 6.4.2 Auxiliary circuits . 32 6.5 Temperature-rise tests. 32 6.5.1 Condition
44、s of the switchgear and controlgear to be tested 32 6.5.2 Arrangement of the equipment . 32 6.5.3 Measurement of the temperature and the temperature rise . 33 6.5.4 Ambient air temperature . 33 6.5.5 Temperature-rise test of the auxiliary and control equipment 33 6.5.6 Interpretation of the temperat
45、ure-rise tests . 33 6.6 Short-time withstand current and peak withstand current tests 33 6.6.1 Arrangement of the switchgear and controlgear and of the test circuit . 33 6.6.2 Test current and duration . 33 6.6.3 Behaviour of switchgear and controlgear during test . 33 6.6.4 Conditions of switchgear
46、 and controlgear after test. 34 6.7 Verification of the protection 34 6.7.1 Verification of the IP coding . 34 6.7.2 Verification of the IK coding . 34 6.8 Tightness tests 34 6.8.1 Controlled pressure systems for gas 34 6.8.2 Closed pressure systems for gas . 34 6.8.3 Sealed pressure systems . 35 BS
47、 EN 62271-203:2012 4 62271-203 IEC:2011 6.8.4 Liquid tightness tests . 35 6.9 Electromagnetic compatibility tests (EMC) 35 6.10 Additional tests on auxiliary and control circuits 35 6.11 X-radiation test procedure for vacuum interrupters . 35 6.101 Verification of making and breaking capacities . 35
48、 6.102 Mechanical and environmental tests. 35 6.103 Proof tests for enclosures 36 6.104 Pressure test on partitions . 37 6.105 Test under conditions of arcing due to an internal fault . 37 6.106 Insulator tests 38 6.107 Corrosion test on earthing connections 38 6.108 Corrosion tests on enclosures 39
49、 7 Routine tests 39 7.1 Dielectric test on the main circuit . 39 7.1.101 Power-frequency voltage tests on the main circuit . 40 7.1.102 Partial discharge measurement . 40 7.2 Tests on auxiliary and control circuits . 40 7.3 Measurement of the resistance of the main circuit 40 7.4 Tightness test 40 7.5 Design and visual checks. 40 7.101 Pressure tests of enclosures 40 7.102 Mechanical operation tests 41 7.103 Tests on auxiliary circuits, equipment and interlocks in the control mechanism . 41 7.104 Pressure test on pa
