EN 50588-1-2015 en Medium power transformers 50 Hz with highest voltage for equipment not exceeding 36 kV - Part 1 General requirements (Incorporates Amendment A1 2016).pdf

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1、BS EN 50588-1:2015+A1:2016 Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV Part 1: General requirements BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 50588-1:2015 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50

2、588-1 June 2015 ICS 29.180 Supersedes EN 50464-1:2007, EN 50541-1:2011 English Version Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements Transformateurs 50 Hz de moyenne puissance, de tension la plus leve pour le matriel ne dpassan

3、t pas 36 kV - Partie 1: Exigences gnrales Mittelleistungstransformatoren 50 Hz, mit einer hchsten Spannung fr Betriebsmittel nicht ber 36 kV - Teil 1: Allgemeine Anforderungen This European Standard was approved by CENELEC on 2015-06-25. CENELEC members are bound to comply with the CEN/CENELEC Inter

4、nal 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 CEN-CENELEC Management Centre or to any

5、 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 CEN-CENELEC Management Centre has the same status as the off

6、icial versions. CENELEC members are 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,

7、 Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENE

8、LEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. BS EN 50588-1:2015+A1:2016 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 50588-1:2015+A1:201

9、6. It supersedes BS EN 50464-1:2007+A1: 2012 and BS EN 50541-1:2011 which are withdrawn. BSI, as a member of CENELEC, is obliged to publish EN 50588-1:2015+A1:2016 as a British Standard. However, attention is drawn to the fact that during the development of this European Standard the UK committee vo

10、ted against its approval as a European standard. The UK committee submitted a negative vote for the following reasons: a) This standard is not applicable to transformers for tram systems, which have the same, or similar, operating characteristics to railways. The UK committee is of the opinion that

11、the relevant exclusion in clause 1 should read transformers and auto-transformers specifically designed for railway and other traction feeding systems. b) The UK committee advises that the de-energised tapping range for single-phase liquid immersed transformers with Sr 100 kVA should be 7,5 % as thi

12、s is the limit for pad-mounted transformers in the United Kingdom. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated b

13、y . The UK participation in its preparation was entrusted to Technical Committee PEL/14, Power Transformers. 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. Use

14、rs are responsible for its correct application. The British Standards Institution 2017. Published by BSI Standards Limited 2017 ISBN 978 0 580 97536 3 ICS 29.180 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority

15、of the Standards Policy and Strategy Committee on 31 March 2017. Amendments/corrigenda issued since publication Date T ext affectedBS EN 50588-1:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50588-1 June 2015 ICS 29.180 Supersedes EN 50464-1:2007, EN 50541-1:2011 English Version Medium po

16、wer transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements Transformateurs 50 Hz de moyenne puissance, de tension la plus leve pour le matriel ne dpassant pas 36 kV - Partie 1: Exigences gnrales Mittelleistungstransformatoren 50 Hz, mit einer hchste

17、n Spannung fr Betriebsmittel nicht ber 36 kV - Teil 1: Allgemeine Anforderungen This European Standard was approved by CENELEC on 2015-06-25. 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

18、 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 (English, French, Germa

19、n). 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 committees of Austria, Belgium,

20、 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, Slovenia, Spain, Sweden, Sw

21、itzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation

22、in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 50588-1:2015 E EN 50588-1:2015+A1 June 2015BS EN 50588-1:2015+A1:2016 EN 50588-1:2015+A1:2016 2 Contents Foreword 4 1 Scope 5 2 Normative references 6 3 Terms and definitions 6 4 Environmental classes 8 5 Electrical cha

23、racteristics 95 1 Highest voltages for equipment for winding with U m 1,1 kV 95 2 Rated voltage for winding with U m 1,1 kV 953 Tapping 95 4 Connection designations for three phase transformers 9 6 Load loss, no load loss, PEI, sound power level, short-circuit impedance 1061 General 106 2 Transforme

24、rs with rated power S r 3 150 kVA 116 2 1 General information 116 2 2 One winding with U m 24 kV and the other one with U m 1,1 kV 126 2 3 Load loss and no load loss in case of other insulation level 146 2 4 Load loss and no load loss in case of dual voltage 146 2 5 Three winding transformers for PV

25、 applications 156.3 Transformers with rated power 3 150 kVA S r 40 000 kVA 156 4 Transformers with special requirements 176 4 1 Rated power not included in the list 176 4 2 Transformers equipped with tapping connections suitable for operation while transformer is energised or on load and rated power

26、 S r 3 150 kVA 176 4 3 Liquid immersed pole mounted transformers 186 4 4 PEI values for single-phase liquid immersed transformers with S r 100 kVA 19 7 Tolerances 197 1 Tolerances during factory acceptance tests 19711 General 197 1 2 Transformers subject to maximum losses 197 1 3 Transformers subjec

27、t to minimum PEI 197 2 Tolerances for Market surveillance 197.2.1 Acceptance criteria 197 2 2 Transformers subjected to max losses 207 2 3 Transformers subjected to PEI 207 3 Uncertainties for market surveillance verification 20 8 Rating plate 21 9 Tests 219 1 Routine tests 219 2 Type tests 219 3 Sp

28、ecial tests 219 4 Special test for corrugated tank 219 4 1 General information 219 4 2 Temperature variation 22BS EN 50588-1:2015+A1:2016 EN 50588-1:2015+A1:2016 39 4 3 Sealing temperature 229 4 4 Calculation of the volume variation 229 4 5 Test procedure 229.5 Other technologies with level of no lo

29、ad loss AAA 0 23 10 Design requirements 2310 1 Liquid immersed transformers 2310 1 1 Type of liquid preservation system and degree of sealing 2310 1 2 Terminal markings 231013 Terminations 2410 1 4 Distance between bushings 241015 Rollers 2410 2 Dry-type transformers 241021 Terminals 241022 Enclosur

30、e 24 11 Accessories 2511 1 Liquid immersed transformers 2511 2 Dry-type transformers 25 Annex A (informative) Calculation of PEI and k PEI 27A.1 Calculation of Peak Efficiency Index 27A.2 Calculation of k PEI 27 Ann ex ZZ (informative) Relationship between this European Standard and the requirements

31、 of Commission Regulation (EC) No 548/2014 of 21 May 2014 on implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to small, medium and large power transformers 29 Bibliography 32BS EN 50588-1:2015 EN 50588-1:2015 (E) 4 Foreword This document (EN 50588-1:2015)

32、has been prepared by CLC/TC 14 “Power transformers“. The following dates are fixed: - latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-06-25 - latest date by which the national standards conflicti

33、ng with this document have to be withdrawn (dow) 2018-06-25 This document supersedes EN 50464-1:2007 and EN 50541-1:2011. EN 50588-1:2015 includes the following significant technical changes with respect to EN 50464-1:2007 and EN 50541-1:2011: - both liquid filled and dry-type transformers are covered in the same document; - the scope of applicability is extended in terms of rated power; - new values of no load loss, load loss and s