BS EN 62146-1-2014 Grading capacitors for high-voltage alternating current circuit-breakers General《高压交流断路器用均压电容器 总则》.pdf

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1、BSI Standards PublicationGrading capacitors for high-voltage alternating current circuit-breakersPart 1: GeneralBS EN 62146-1:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license f

2、rom IHS-,-,-National forewordThis British Standard is the UK implementation of EN 62146-1:2014. It isidentical to IEC 62146-1:2013.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/33, Power capacitors.A list of organizations represented on this committee can be obtaine

3、d onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 72948 5ICS 31.060.01; 31.060.70Complian

4、ce with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62146-1:2014Copyright B

5、ritish Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-EUROPEAN STANDARD EN 62146-1 NORME EUROPENNE EUROPISCHE NORM March 2014 CENELEC European Committee for Electrotechnical Standardi

6、zation Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2014 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62146-

7、1:2014 E ICS 31.060.01; 31.060.70 English version Grading capacitors for high-voltage alternating current circuit-breakers - Part 1: General (IEC 62146-1:2013) Condensateurs de rpartition pour disjoncteurs courant alternatif haute tension - Partie 1: Gnralits (CEI 62146-1:2013) Spannungsausgleichsko

8、ndensatoren fr Hochspannungs-Wechselstrom-Leistungsschalter - Teiln 1: Allgemeines (IEC 62146-1:2013) This European Standard was approved by CENELEC on 2013-10-30. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European St

9、andard 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 Standard exists in three official versions (

10、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 members are the national electrotechnical committee

11、s of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slove

12、nia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 62146-1:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 62146-1:2014 - 2 - Foreword The t

13、ext of document 33/535/FDIS, future edition 1 of IEC 62146-1, prepared by IEC/TC 33, “Power capacitors and their applications“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62146-1:2014. The following dates are fixed: latest date by which the document has to be impleme

14、nted at national level by publication of an identical national standard or by endorsement (dop) 2014-09-14 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-10-30 Attention is drawn to the possibility that some of the elements of this document

15、may be the subject 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 62146-1:2013 was approved by CENELEC as a European Standard without any modification. In the official ver

16、sion, for Bibliography, the following notes have to be added for the standards indicated: IEC 60068-2-11 NOTE Harmonized as EN 60068-2-11 IEC 60068-2-42 NOTE Harmonized in EN 60068-2-42 BS EN 62146-1:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Co

17、py Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- 3 - EN 62146-1:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced i

18、n 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 an international publication has been modified by common modifications,

19、 indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year CISPR 18-2 1986 Radio interference characteristics of overhead power lines and high-voltage equipment - Part 2: Methods of measurement and procedure for determining limits - - IEC Guide 109 Environmental aspects - Inc

20、lusion in electrotechnical product standards - - IEC 60050 (Series) International Electrotechnical Vocabulary (IEV) - - IEC 60060-1 2010 High-voltage test techniques - Part 1: General definitions and test requirements EN 60060-1 2010 IEC 60068-2-17 1994 Environmental testing - Part 2: Tests - Test Q

21、: Sealing EN 60068-2-17 1994 IEC 60071-1 2006 Insulation co-ordination - Part 1: Definitions, principles and rules EN 60071-1 2006 IEC 60270 + corr. October 2000 2001 High-voltage test techniques - Partial discharge measurements EN 60270 2001 IEC 60376 2005 Specification of technical grade sulfur he

22、xafluoride (SF6) for use in electrical equipment EN 60376 2005 IEC 60507 1991 Artificial pollution tests on high-voltage insulators to be used on a.c. systems EN 60507 1993 IEC 60567 2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance EN 60567

23、 2011 IEC 60721-1 + A1 + A2 1990 1992 1995 Classification of environmental conditions - Part 1: Environmental parameters and their severities EN 60721-1 - + A21) 1995 - 1995 IEC/TS 60815 (series) Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - - IEC 61

24、462 2007 Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations EN 61462 2007 1) EN 60721-1 includes A1 to IEC 60721-1. BS EN 62146-1:20

25、14Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 62146-1:2014 - 4 - IEC 62155 (mod) 2003 Hollow pressurized and unpressurized ceramic and glass insulators for use

26、 in electrical equipment with rated voltages greater than 1 000 V EN 62155 2003 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: Alternating current circuit-breakers EN 6227

27、1-100 2009 IEC 62271-203 2003 High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV EN 62271-2032) 2004 IEC/TR 62271-300 2006 High-voltage switchgear and controlgear - Part 300: Seismic qualification of alternating current circuit-

28、breakers - - 2) EN 62271-203 is superseded by EN 62271-203:2012, which is based on IEC 62271-203:2011. BS EN 62146-1:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,

29、-,- 2 62146-1 IEC:2013 CONTENTS 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 Abbreviations . 12 5 Normal and special service conditions 13 5.1 General . 13 5.2 Normal service conditions . 13 5.2.1 Ambient temperature . 13 5.2.2 Mechanical stress and vibrations . 13 5.2.3 Addi

30、tional service conditions for indoor and completely immersed grading capacitor . 13 5.3 Special service conditions . 13 5.3.1 General . 13 5.3.2 Earthquakes 13 6 Ratings . 14 6.1 Rated voltage (Ucr) . 14 6.2 Rated insulation level 14 6.3 Rated frequency (fr) 15 7 Design and construction . 15 7.1 Cap

31、acitance tolerances . 15 7.2 Capacitor loss requirements 15 7.3 Angle of mounting . 15 7.4 Minimum withstand value of mechanical bending load . 15 7.5 Requirements for impregnation medium in capacitor . 16 7.6 Protection against corrosion 16 7.7 Nameplates . 16 7.8 Creepage distances for outdoor ins

32、ulators . 16 7.9 Tightness 16 7.9.1 Liquid tightness . 16 7.9.2 Gas tightness for grading capacitors immersed in gas . 17 8 Type tests 17 8.1 Information for identification of specimens . 17 8.2 Information to be included in type-test reports . 17 8.3 Test conditions 18 8.4 Dielectric tests 18 8.4.1

33、 General . 18 8.4.2 Capacitance measurement at power frequency 19 8.4.3 Measurement of the tangent of the loss angle (tan) . 20 8.4.4 Partial discharge test . 20 8.4.5 Switching impulse voltage test . 21 8.4.6 Lightning and chopped impulse voltage test. 21 8.4.7 Power frequency voltage test. 22 8.5

34、Voltage test at low and high temperature . 22 8.6 Radio interference voltage (RIV) test . 23 8.7 Resonance frequency measurements 23 BS EN 62146-1:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permit

35、ted without license from IHS-,-,-62146-1 IEC:2013 3 8.8 Mechanical bending test 23 8.9 Tightness test at different temperatures 23 8.10 Tightness test to check gas ingress from a pressurised environment . 24 8.11 Vibration test . 24 9 Routine tests 25 9.1 General . 25 9.2 Test conditions 25 9.3 Capa

36、citance and loss angle measurement at power frequency 25 9.4 Power frequency voltage test 26 9.5 Partial discharge test . 26 9.6 Tightness test 26 9.6.1 General . 26 9.6.2 Oil impregnated capacitor 26 9.6.3 Tightness test for gas filled grading capacitors 26 9.7 Visual inspection and dimensional che

37、ck . 27 10 Recommendations for transport, storage, erection, operation and maintenance 27 10.1 General . 27 10.2 Conditions during transport, storage and installation . 27 10.3 Installation. 27 10.4 Unpacking and lifting . 28 10.5 Assembly 28 10.5.1 Mounting . 28 10.5.2 Connections to metal parts 28

38、 10.5.3 Final installation inspection 28 10.6 Operation 28 10.7 Maintenance 28 10.7.1 General . 28 10.7.2 Recommendation for the installation and maintenance 28 10.7.3 Recommendations for the user 29 10.7.4 Failure report . 29 11 Safety . 30 11.1 General . 30 11.2 Precautions by manufacturers . 30 1

39、1.3 Precautions by users . 31 11.4 National regulations 31 12 Environmental aspects . 31 Annex A (informative) Corrosion: Information regarding service conditions and recommended test requirements . 32 Annex B (informative) Resonance frequency measurements 33 Bibliography 34 Figure 1 Dielectric type

40、 tests 19 Figure 2 Dielectric routine test . 25 Figure B.1 Example of resonance frequency measurement recording (see 8.7) 33 Table 1 Partial discharge test voltages and permissible levels . 21 BS EN 62146-1:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontro

41、lled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- 6 62146-1 IEC:2013 GRADING CAPACITORS FOR HIGH-VOLTAGE ALTERNATING CURRENT CIRCUIT-BREAKERS Part 1: General 1 Scope This part of the IEC 62146 series is applicable to grading capacitors used on circuit-brea

42、kers. Their function is to control the voltage distribution across the individual interrupter units of a multi-break circuit-breaker. Grading capacitors can also be used in parallel to the interrupter unit on single break circuit-breakers to modify the Transient Recovery Voltage (TRV). The grading c

43、apacitor is a sub-component for the circuit-breaker and shall be specified in accordance with the circuit-breaker specifications. This standard applies to grading capacitors falling into one or both of the following categories for: mounting on air-insulated circuit-breakers; mounting on enclosed cir

44、cuit-breakers (for example immersed in SF6, in oil, etc.). The testing for each of the above applications is in some cases different. The object of this standard is: to define uniform rules regarding performances, testing and rating; to define specific safety rules; to provide a guidance for install

45、ation and operation. 2 Normative references The 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

46、 (including any amendments) applies. IEC 60050 (all parts), International electrotechnical vocabulary (available at http:/www.electropedia.org) IEC 60060-1:2010, High-voltage test techniques Part 1: General definitions and test requirements IEC 60068-2-17:1994, Official version in Russian Basic envi

47、ronmental testing procedures Part 2-17: Tests Test Q: Sealing IEC 60071-1:2006, Insulation co-ordination Part 1: Definitions, principles and rules IEC 60270:2000, High-voltage test techniques Partial discharge measurements BS EN 62146-1:2014Copyright British Standards Institution Provided by IHS und

48、er license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-62146-1 IEC:2013 7 IEC 60376:2005, Specification of technical grade sulfur hexafluoride (SF6) for use in electrical equipment IEC 60507-1:1991, Artificial pollution tests on high-voltage insulators to be used on a.c. systems IEC 60567:2011, Oil-filled electrical equipment Sampling of gases and analysis of free and dissolved gases Guidance IEC 60721-1:2002, Classification of environmental conditions Part 1: Environm