1、BS EN 50152-3-2:2016Railway applications Fixedinstallations Particularrequirements for a.c. switchgearPart 3-2: Measurement, control andprotection devices for specific use in a.c.traction systems Current transformersBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS
2、EN 50152-3-2:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN50152-3-2:2016. It supersedes BS EN 50152-3-2:2001 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/9/3, Railway Electrotechnical Applications - Fix
3、edEquipment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by B
4、SI Standards Limited 2016ISBN 978 0 580 88378 1ICS 29.130.20; 29.180; 29.280 Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 June 2016.Amendments/corrigenda iss
5、ued since publicationDate Text affectedBS EN 50152-3-2:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50152-3-2 June 2016 ICS 29.130.20; 29.280 Supersedes EN 50152-3-2:2001English Version Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-2: M
6、easurement, control and protection devices for specific use in a.c. traction systems - Current transformers Applications ferroviaires - Installations fixes - Spcifications particulires pour appareillage courant alternatif - Partie 3-2: Dispositifs de mesure, de commande et de protection pour usage s
7、pcifique dans les systmes de traction courant alternatif - Transformateurs de courant Bahnanwendungen - Ortsfeste Anlagen - Besondere Anforderungen an Wechselstrom-Schalteinrichtungen - Teil 3-2: Mess-, Steuerungs- und Schutzeinrichtungen fr Wechselstrom-Bahnanlagen - Stromwandler This European Stan
8、dard was approved by CENELEC on 2016-04-25. CENELEC members are bound to comply with 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 concerni
9、ng 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 (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC membe
10、r 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 committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic
11、 of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization C
12、omit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 50152-3-2:2016 EBS
13、 EN 50152-3-2:2016EN 50152-3-2:2016 3 Contents Page European foreword . 4 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviations 6 3.1 Terms and definitions . 6 3.2 Abbreviations . 7 4 Service conditions . 8 5 Rating 8 5.1 General . 8 5.2 Nominal voltage (Un) . 8 5.3 Rated voltage
14、 (UNe) 8 5.4 Insulation coordination . 8 5.4.1 General . 8 5.4.2 Rated insulation level 8 5.5 Rated frequency . 9 5.6 Rated accuracy classes 9 6 Design and construction 9 6.1 General . 9 6.2 Transformer construction . 9 6.3 Requirements for the external insulation . 10 6.4 Electromagnetic compatibil
15、ity (EMC) 10 6.5 Nameplates . 10 7 Tests . 10 7.1 General . 10 7.2 Electromagnetic compatibility tests (EMC) 10 7.3 Partial discharge test 10 8 Rules for transport, storage, erection, operation and maintenance 10 9 Safety 11 10 Influence of the product on the environment . 11 11 Information to be gi
16、ven with enquiries, tenders and orders . 11 Bibliography 12 Tables Table 1 - Nominal voltages (Un), rated voltages (UNe), rated impulse voltages (UNi) and power-frequency withstand voltage (Ud) for circuits connected to the contact line 9 Table 2 Partial discharge test voltages and permissible level
17、s for current transformers with solid insulation 10 BS EN 50152-3-2:2016EN 50152-3-2:2016 4 European foreword This document (EN 50152-3-2:2016) has been prepared by SC 9XC “Electric supply and earthing systems for public transport equipment and ancillary apparatus (Fixed installations)” of CLC/TC 9X
18、 “Electrical and electronic applications for railways”. The following dates are fixed: latest date by which the existence of this document has to be announced at national level (doa) 2016-10-25 latest date by which this document has to be implemented at national level by publication of an identical
19、national standard or by endorsement (dop) 2017-04-25 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2019-04-25 This document supersedes EN 50152-3-2:2001. Attention is drawn to the possibility that some of the elements of this document may be th
20、e subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. This standard was revised to reflect the latest versions of standards referenced and to remove text already included in the EN 61869 Series. The structure of the document was adapted to t
21、hat of EN 50152-1 and EN 50152-2. Ratings have been added to provide designations in line with other railway standards e.g. EN 50124. Tests requirements have been detailed to meet operating conditions of railway applications. Partial discharge voltages have been specified in Table 2. This standard h
22、as to be read in conjunction with EN 61869-1:2009 and EN 61869-2:2012. Where a particular clause/subclause of EN 61869-2 is not mentioned in this standard, that clause/subclause applies as far as reasonable. Where requirements relate exclusively to three-phase systems or to voltages outside those in
23、 use in traction systems, they are not applicable. Where this standard states “addition” or “replacement”, the relevant text of EN 61869-2 is to be adapted accordingly. The numbering of clauses in EN 61869 Series is similar to that in the EN 50152 Series. Where terms defined in EN 61869-1 and EN 618
24、69-2 conflict with definitions of the same terms as given in IEC 60050-811:1991 or of the other railway applications documents listed in the normative references, the definitions in EN 61869-1 and EN 61869-2 are to be used. NOTE The suffix N which appears in this standard for rated values is not pre
25、sent in EN 618691 and EN 618692. References in subclauses of EN 61869-1 and EN 61869-2 have to be replaced by references to applicable subclauses in this standard as far as reasonably possible. BS EN 50152-3-2:2016EN 50152-3-2:2016 5 EN 50152 Series under the generic title “Railway applications - Fi
26、xed installations - Particular requirements for a.c. switchgear” is divided as follows: Part 1: Circuit-breakers with nominal voltage above 1 kV; Part 2: Disconnectors, earthing switches and switches with nominal voltage above 1 kV; Part 3-1: Measurement, control and protection devices for specific
27、use in a.c. traction systems Devices; Part 3-2: Measurement, control and protection devices for specific use in a.c. traction systems Current transformers; Part 3-3: Measurement, control and protection devices for specific use in a.c. traction systems Voltage transformers. BS EN 50152-3-2:2016EN 501
28、52-3-2:2016 6 1 Scope This EN 50152-3-2 is applicable to new current transformers which are: intended for use in indoor or outdoor fixed installations in tractions systems, and operated with an a.c. line voltage and frequency as specified in EN 50163. NOTE 1 EN 50163 specifies the a.c. traction syst
29、ems 15 kV 16,7 Hz and 25 kV 50 Hz. NOTE 2 As rails of a.c. traction systems are typically connected to earth and included in the return current path, all phase to earth voltages are subject to the limits as given in EN 50163. Nevertheless conductor to conductor voltages are some times higher e.g. in
30、 autotransformer systems. Current transformers are mainly used with: measuring instruments, protective devices. This EN 50152-3-2 also applies to current transformers other than inductive types as far as reasonably possible. Requirements of this EN 50152-3-2 have priority. NOTE 3 Combined current an
31、d voltage transformers are typically not used in fixed installations in traction systems. 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.
32、For undated references, the latest edition of the referenced document (including any amendments) applies. EN 50121-5:2006, Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatus EN 50124-1:2001, Railway applications - In
33、sulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment EN 50125-2:2002, Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installations EN 50152 Series, Railway applications - Fixed ins
34、tallations - Particular requirements for a.c. switchgear EN 50163:2004, Railway applications - Supply voltages of traction systems EN 61869-1:2009, Instrument transformers - Part 1: General requirements (IEC 61869-1:2007, mod.) EN 61869-2:2012, Instrument transformers - Part 2: Additional requiremen
35、ts for current transformers (IEC 61869-2:2012) 3 Terms, definitions and abbreviations 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in EN 61869-1:2009 and EN 61869-2:2012 except of 3.2.1 to 3.2.9 and the following apply. NOTE Terms 3.2.1 to 3.2.3 of EN
36、618691:2009 address voltage definitions which are differently defined in railway systems. Terms 3.2.4 to 3.2.9 of EN 618691:2009 address aspects specific to three-phase systems. BS EN 50152-3-2:2016EN 50152-3-2:2016 7 3.1.1 nominal voltage Unsuitable approximate voltage value used to designate or id
37、entify a given supply system Note 1 to entry: This value is also assigned to the current transformer to show its usability in the supply system. Note 2 to entry: An autotransformer system which is supplied with 2 phases, having a phase shift of 180 between them, is commonly named 2 x Unaccording to
38、the Unsupplied to the contact line system. SOURCE: EN 50124-1:2001, 1.3.2.1 3.1.2 rated voltage UNevalue of voltage assigned by the manufacturer to the equipment or part of it and to which operating and performance characteristics are referred Note 1 to entry: This value is also used to determine it
39、s dielectric characteristics and will be used instead of the rated insulation voltage (UNm) as defined and used in EN 501241. Note 2 to entry: The abbreviation Uris not used for current transformers used in railway systems. SOURCE: EN 50124-1:2001, 1.3.2.3, modified 3.1.3 overvoltage category OV num
40、eral defining a transient overvoltage condition Note 1 to entry: This definition uses different wording as in other parts of EN 50152. SOURCE: IEC 60050-581:2008, 581-21-02 modified: note 1 to entry added 3.1.4 pollution degree PD numeral characterizing the expected pollution of the micro-environmen
41、t Note 1 to entry: This definition uses different wording as in other parts of EN 50152. SOURCE: IEC 60050-581:2008, 581-21-07 modified: note 1 to entry added 3.2 Abbreviations For the purposes of this document, the abbreviations given in EN 61869-2:2012, 3.7 apply but are amended by the following i
42、ndex. OV Overvoltage category PD Pollution Degree Unnominal voltage UNerated voltage BS EN 50152-3-2:2016EN 50152-3-2:2016 8 4 Service conditions Clause 4 of EN 61869-1:2009 is applicable with the following modifications: the minimum ambient air temperature under normal service conditions for indoor
43、 current transformers shall be 5C; subclause 4.4 does not apply; NOTE 1 This subclause specifies possible scenarios of three-phase systems star-point earthing. for special service conditions, agreement shall be made between purchaser and supplier. EN 50125-2 should be taken as guidance for the selec
44、tion of appropriate classifications. NOTE 2 The altitude reference of EN 501241 (up to 2 000 m) applies to insulation coordination only and is not considered in this standard. 5 Rating 5.1 General Clause 5 of EN 61869-2:2012 is applicable except as noted in 5.2 to 5.6 below: NOTE References in this
45、standard typically name EN 618692:2012 only. Nevertheless clauses of EN 618692:2012 normally reference to EN 618691:2009 and specify the deviations to it. 5.2 Nominal voltage (Un) The standard values of nominal voltage Unare 15 kV and 25 kV as listed in Table 1 of EN 50163:2004. 5.3 Rated voltage (U
46、Ne) Subclause 5.2 of EN 61869-1:2009 is not applicable. The rated voltage UNeshall be chosen taking into consideration the maximum voltage level suitable to be permanently applied to the current transformer (i.e. highest permanent voltage Umax1as defined in EN 50163). The value of UNeshall be used w
47、henever EN 61869-1 or EN 61869-2 make reference to Umunless another value is named explicitly. NOTE 1 The insulation characteristics determined by applying Umax1are expected to be suitable to allow the highest non-permanent voltage Umax2taken from EN 50163. NOTE 2 The rated voltage for fixed install
48、ations in railway applications is a phase to earth value. 5.4 Insulation coordination 5.4.1 General Insulation coordination shall be conducted according to EN 50124-1 e.g. selection of values for Over Voltage category (OV) and Pollution Degree (PD). The rated voltage UNeshall be used when EN 50124-1
49、 refers to the rated insulation voltage UNm. The definition of the four overvoltage categories shall be as in EN 50124-1:2001, 2.2.2.1. The definition of the seven pollution degrees shall be as in EN 50124-1:2001, 2.5 and Table A.4. 5.4.2 Rated insulation level Subclause 5.3 of EN 61869-1:2009 is replaced by the following: BS EN 50152-3-2:2016EN 50152-3-2:2016 9 The values of the rated impulse withstand voltage UNiand of the power-frequency withstand voltage Udfor circuits connected to the contact line shall b
