EN 60143-2-2013 en Series capacitors for power systems - Part 2 Protective equipment for series capacitor banks.pdf

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1、BSI Standards PublicationSeries capacitors for power systemsPart 2: Protective equipment for series capacitor banksBS EN 60143-2:2013National forewordThis British Standard is the UK implementation of EN 60143-2:2013. It is identical to IEC 60143-2:2012. It supersedes BS EN 60143-2:1995 which is with

2、drawn.The UK participation in its preparation was entrusted to Technical Committee PEL/33, Power capacitors.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

3、 are responsible for its correct application. The British Standards Institution 2013.Published by BSI Standards Limited 2013ISBN 978 0 580 75148 6 ICS 29.240.99; 31.060.70Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the au

4、thority of the Standards Policy and Strategy Committee on 31 July 2013.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60143-2:2013EUROPEAN STANDARD EN 60143-2 NORME EUROPENNE EUROPISCHE NORM June 2013 CENELEC European Committee for Electrotechnical Standardizat

5、ion Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60143-2:2013 E ICS 29

6、.240.99; 31.060.70 Supersedes EN 60143-2:1994 English version Series capacitors for power systems - Part 2: Protective equipment for series capacitor banks (IEC 60143-2:2012) Condensateurs srie destins tre installs sur des rseaux - Partie 2: Matriel de protection pour les batteries de condensateurs

7、srie (CEI 60143-2:2012) Reihenkondensatoren fr Starkstromanlagen - Teil 2: Schutzeinrichtungen fr Reihenkondensatorbatterien (IEC 60143-2:2012) This European Standard was approved by CENELEC on 2013-01-15. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate

8、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 St

9、andard 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 members a

10、re the national electrotechnical committees 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,

11、Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 60143-2:2013EN 60143-2:2013 - 2 - Foreword The text of document 33/517/FDIS, future edition 2 of IEC 60143-2, prepared by IEC/TC 33 “Power capacitors and their applications“ was submitted

12、to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60143-2:2013. 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) 2013-12-14 latest date by which the national

13、standards conflicting with the document have to be withdrawn (dow) 2016-01-15 This document supersedes EN 60143-2:1994. EN 60143-2:2013 includes the following significant technical changes with respect to EN 60143-2:1994: - updated with respect to new and revised component standards; - updates with

14、respect to technology changes. Outdated technologies have been removed, i.e. series capacitors with dual self-triggered gaps. New technologies have been added, i.e. current sensors instead of current transformers; - the testing of spark gaps has been updated to more clearly specify requirements and

15、testing procedures. A new bypass making current test replaces the old discharge current test; - Clause 5, Guide, has been expanded with more information about different damping circuits and series capacitor protections. Attention is drawn to the possibility that some of the elements of this document

16、 may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endor

17、sement notice The text of the International Standard IEC 60143-2:2012 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60068-1 NOTE Harmonised as EN 60068-1. IEC 6

18、0068-2-2 NOTE Harmonised as EN 60068-2-2. IEC 60068-2-78 NOTE Harmonised as EN 60068-2-78. IEC 60068-2-30 NOTE Harmonised as EN 60068-2-30. IEC 60071-1 NOTE Harmonised as EN 60071-1. IEC 60071-2 NOTE Harmonised as EN 60071-2. IEC 60143-3 NOTE Harmonised as EN 60143-3. IEC 60255-1 NOTE Harmonised as

19、EN 60255-1. IEC 60383-1 NOTE Harmonised as EN 60383-1. BS EN 60143-2:2013- 3 - EN 60143-2:2013 IEC 60383-2 NOTE Harmonised as EN 60383-2. IEC 60507 NOTE Harmonised as EN 60507. IEC 60549 NOTE Harmonised as EN 60549. IEC 60654-1 NOTE Harmonised as EN 60654-1. IEC 60654-4 NOTE Harmonised as EN 60654-4

20、. IEC 60871-1 NOTE Harmonised as EN 60871-1. IEC 60909 Series NOTE Harmonised as EN 60909 Series (not modified). IEC 61000-4-2 NOTE Harmonised as EN 61000-4-2. IEC 61000-4-11 NOTE Harmonised as EN 61000-4-11. IEC 62217 NOTE Harmonised as EN 62217. IEC 62271-100 NOTE Harmonised as EN 62271-100. IEC 6

21、2223 NOTE Harmonised as EN 62223. BS EN 60143-2:2013EN 60143-2:2013 - 4 - Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispens

22、able 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, indicated by (mod), the relevant

23、 EN/HD applies. Publication Year Title EN/HD Year IEC 60044 Series Instrument transformers EN 60044 Series IEC 60044-1 - Instrument transformers - Part 1: Current transformers EN 60044-1 - IEC 60044-8 - Instrument transformers - Part 8: Electronic current transformers EN 60044-8 - IEC 60060 Series H

24、igh-voltage test techniques EN 60060 Series IEC 60076-1 - Power transformers - Part 1: General EN 60076-1 - IEC 60076-6 2007 Power transformers - Part 6: Reactors EN 60076-6 2008 IEC 60099-4 (mod) + A1 + A2 2004 2006 2009 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. sy

25、stems EN 60099-4 +A1 +A2 2004 2006 2009 IEC 60143-1 2004 Series capacitors for power systems - Part 1: General EN 60143-1 2004 IEC 60255-5 - Electrical relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests EN 60255-5 - IEC 60255-21-1 - Electr

26、ical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 1: Vibration tests (sinusoidal) EN 60255-21-1 - IEC 60270 - High-voltage test techniques - Partial discharge measurements EN 60270 - IEC 60358-1 - Coupling capacitors and capacitor

27、dividers - Part 1: General rules EN 60358-1 - IEC 60358-2 - Coupling capacitors and capacitor dividers - Part 2: AC or DC single-phase coupling capacitor connected between line and ground for power line carrier-frequency (PLC) application EN 60358-2 - IEC 60794-1-1 - Optical fibre cables - Part 1-1:

28、 Generic specification - General EN 60794-1-1 - IEC 60794-2 - Optical fibre cables - Part 2: Indoor cables - Sectional specification EN 60794-2 - BS EN 60143-2:2013- 5 - EN 60143-2:2013 Publication Year Title EN/HD Year IEC 61000-4-29 - Electromagnetic compatibility (EMC) - Part 4-29: Testing and me

29、asurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests EN 61000-4-29 - IEC 61109 - Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions,

30、test methods and acceptance criteria EN 61109 - IEC 61300-3-4 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-4: Examinations and measurements - Attenuation EN 61300-3-4 - IEC 61869-3 - Instrument transformers - Part 3: Additional require

31、ments for inductive voltage transformers EN 61869-3 - IEC 61869-5 - Instrument transformers - Part 5: Additional Requirements for capacitor voltage transformers EN 61869-5 - IEC 62271-1 - High-voltage switchgear and controlgear - Part 1: Common specifications EN 62271-1 - IEC 62271-102 + corr. April

32、 + corr. May + corr. February 2001 2002 2003 2005 High-voltage switchgear and controlgear - Part 102: Alternating current disconnectors and earthing switches EN 62271-102 + corr. March + corr. July 2002 2005 2008 IEC 62271-109 2008 High-voltage switchgear and controlgear - Part 109: Alternating-curr

33、ent series capacitor by-pass switches EN 62271-109 2009 BS EN 60143-2:2013 2 60143-2 IEC:2012 CONTENTS 1 Scope . 6 2 Normative references . 7 3 Terms and definitions . 9 4 Quality requirements and tests . 15 4.1 Overvoltage protector 15 4.2 Protective spark gap 16 4.2.1 Purpose . 16 4.2.2 Classifica

34、tion of triggering principles . 16 4.2.3 Tests . 16 4.3 Varistor . 21 4.3.1 Purpose . 21 4.3.2 Classification . 21 4.3.3 Tests . 22 4.4 Bypass switch . 26 4.5 Disconnectors and earthing switches . 26 4.5.1 Purpose . 26 4.5.2 Classification . 27 4.5.3 Tests . 27 4.6 Discharge current-limiting and dam

35、ping equipment (DCLDE) . 28 4.6.1 Purpose . 28 4.6.2 Classification . 28 4.6.3 Tests . 28 4.7 Voltage transformer . 32 4.7.1 Purpose . 32 4.7.2 Classification . 32 4.7.3 Tests . 32 4.8 Current sensors . 33 4.8.1 Purpose . 33 4.8.2 Classification . 33 4.8.3 Current transformer tests . 33 4.8.4 Electr

36、onic transformer tests . 33 4.8.5 Optical transducer tests . 33 4.9 Coupling capacitor. 34 4.9.1 Purpose . 34 4.9.2 Tests . 34 4.10 Signal column 34 4.10.1 Purpose . 34 4.10.2 Tests . 34 4.11 Fibre optical platform links . 34 4.11.1 Purpose . 34 4.11.2 Tests . 35 4.12 Relay protection, control equip

37、ment and platform-to-ground communication equipment . 35 4.12.1 Purpose . 35 4.12.2 Classification . 35 BS EN 60143-2:201360143-2 IEC:2012 3 4.12.3 Tests . 35 5 Guide . 36 5.1 General . 36 5.2 Specification data for series capacitors . 36 5.3 Protective spark gap 37 5.4 Varistor . 38 5.4.1 General .

38、 38 5.4.2 Varistor voltage-current characteristic . 39 5.4.3 Varistor current and voltage waveforms during a system fault 40 5.4.4 Comments on varistor definitions and type tests 41 5.5 Bypass switch . 44 5.6 Disconnectors . 44 5.7 Discharge current-limiting and damping equipment 44 5.7.1 Purpose of

39、 the Discharge Current-Limiting and Damping Equipment . 44 5.7.2 Location of the DCLDE 45 5.7.3 Configuration of the DCLDE. 47 5.7.4 Miscellaneous comments regarding the DCLDE . 48 5.8 Voltage transformer . 49 5.9 Current transformer . 49 5.10 Relay protection, control equipment and platform-to-grou

40、nd communication equipment . 49 5.11 Protection redundancy . 51 5.12 Commissioning tests . 52 5.13 Energization tests 52 Bibliography 54 Figure 1 Typical nomenclature of a series capacitor installation . 7 Figure 2 Classification of overvoltage protection 16 Figure 3 Illustration of waveforms in rec

41、overy voltage test . 19 Figure 4 Typical voltage-current characteristics of one specific metal oxide varistor element (95 mm diameter) 40 Figure 5 Current, voltage and energy waveforms for a phase-to-earth fault 41 Figure 6 Conventional location in the bypass branch 45 Figure 7 DCLDE in series with

42、the capacitor and the parallel connected MOV 45 Figure 8 DCLDE in series with the capacitor and parallel to the MOV . 45 Figure 9 Only a discharge current-limiting reactor 47 Figure 10 Discharge current-limiting reactor connected in parallel with a damping resistor. A varistor is connected in series

43、 with the resistor 47 Figure 11 Discharge current-limiting reactor connected in parallel with a damping resistor. A small spark gap is connected in series with the resistor . 47 Figure 12 Current-limiting and damping equipment with and without damping resistor 48 Table 1 Summary of varistor energy a

44、bsorption design criteria (example) . 38 Table 2 Overview of typical series capacitor bank protections 51 BS EN 60143-2:2013 6 60143-2 IEC:2012 SERIES CAPACITORS FOR POWER SYSTEMS Part 2: Protective equipment for series capacitor banks 1 Scope This part of IEC 60143 covers protective equipment for s

45、eries capacitor banks, with a size larger than 10 Mvar per phase. Protective equipment is defined as the main circuit apparatus and ancillary equipment, which are part of a series capacitor installation, but which are external to the capacitor part itself. The recommendations for the capacitor part

46、are given in IEC 60143-1:2004. The protective equipment is mentioned in Clause 3 and 10.6 of IEC 60143-1:2004. The protective equipment, treated in this standard, comprises the following items listed below: overvoltage protector, protective spark gap, varistor, bypass switch, disconnectors and earth

47、ing switches, discharge current-limiting and damping equipment, voltage transformer, current sensors, coupling capacitor, signal column, fibre optical platform links, relay protection, control equipment and platform-to-ground communication equipment. See Figure 1. Principles involved in the applicat

48、ion and operation of series capacitors are given in Clause 5. Examples of fault scenarios are given in Clause 5. Examples of protective schemes utilizing different overvoltage protectors are given in 4.1. BS EN 60143-2:201360143-2 IEC:2012 7 Key 1 assembly of capacitor units 2-7 main protective equi

49、pment 9 isolating disconnector 10 bypass disconnector 11 earth switch Figure 1 Typical nomenclature of a series capacitor installation NOTE Most series capacitors are configured with a single module, unless the reactance and current requirements result in a voltage across the bank that is impractical for the supplier to achieve with one module. Normally each module has its own bypass switch but a common bypass switch can be used for more than one module. See 10.2.3 of IEC 60143-1:

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