1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationRailway applications Mountedparts of the traction transformerand cooling systemPart 1: HV bushing for traction transformersDD CLC/TS 50537-1:2010National forewordThis Draft for D
2、evelopment is the UK implementation of CLC/TS 50537-1:2010.The UK participation in its preparation was entrusted by Technical CommitteeGEL/9, Railway Electrotechnical Applications, to Subcommittee GEL/9/2,Railway Electrotechnical Applications - Rolling stock.A list of organizations represented on th
3、is 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. BSI 2010ISBN 978 0 580 69506 3ICS 29.080.20; 29.180; 45.060.10Compliance with a British Standard cannot c
4、onfer immunity fromlegal obligations.This Draft for Development was published under the authority of theStandards Policy and Strategy Committee on 30 April 2010.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDDD CLC/TS 50537-1:2010TECHNICAL SPECIFICATION CLC/TS 50537-1
5、SPCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION February 2010 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All r
6、ights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. CLC/TS 50537-1:2010 E ICS 29.180; 45.060.10 English version Railway applications - Mounted parts of the traction transformer and cooling system - Part 1: HV bushing for traction transformers Applicati
7、ons ferroviaires - Accessoires des transformateurs de traction et systmes de refroidissement - Partie 1: Traverses haute tension pour transformateurs de traction Bahnanwendungen - Anbauteile des Haupttransformators und Khlsystems - Teil 1: Hochspannungsdurchfhrung fr Haupttransformatoren This Techni
8、cal Specification was approved by CENELEC on 2010-01-22. CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force. C
9、ENELEC members 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, Roman
10、ia, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DD CLC/TS 50537-1:2010CLC/TS 50537-1:2010 - 2 - Foreword This Technical Specification was prepared by Working Group 23 of SC 9XB, Electromechanical material on board of rolling stock, of Technical Committee CENELEC TC 9X, Ele
11、ctrical and electronic applications for railways. It was circulated for voting in accordance with the Internal Regulations, Part 2, Subclause 11.3.3.3 and was accepted as a CENELEC Technical Specification on 2010-01-22. Attention is drawn to the possibility that some of the elements of this document
12、 may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following date was fixed: latest date by which the existence of the CLC/TS has to be announced at national level (doa) 2010-07-22 The CLC/TS 50537 series “Railway ap
13、plications Mounted parts of the traction transformer and cooling system” consists of four different parts: Part 1: HV bushing for traction transformers; Part 2: Pump for insulating liquid for traction transformers and reactors; Part 3: Water pump for traction converters; Part 4: Gas and liquid actua
14、ted (Buchholz) relay for liquid immersed transformers and reactors with conservator for rail vehicles. The CLC/TS 50537 series shall be read in conjunction with CLC/TS 50534 1)“Railway applications Generic system architectures for onboard electric auxiliary power systems”. This standardization proje
15、ct was derived from the EU-funded Research project MODTRAIN (MODPOWER). It is part of a series of standards, referring to each other. The hierarchy of the standards is intended to be as follows: 1)Under development. DD CLC/TS 50537-1:2010- 3 - CLC/TS 50537-1:2010 Overview on the technical frameworkC
16、LC/TS 50534 defines the basis for other depending standardsCLC/TS 50534Railway applications - Generic system architectures for onboard electric auxiliary powers systemsCLC/TS 50535Railway applications - Onboard auxiliary power converter systemLevel 1: ArchitecturesEN 50533Three-phase train line volt
17、age characteristicsEN 50546Shore (external) supply systems for rail vehiclesEN 50547Batteries for rail vehiclesCLC/TS 50537-1Part 1: HV bushing for traction transformersCLC/TS 50537-2Part 2: Pump for insulating liquid for traction transformers and reactorsCLC/TS 50537-3Part 3: Water pump for tractio
18、n convertersCLC/TS 50537-4Part 4: Gas and liquid actuated (Buchholz) relay for liquid immersed transformers and reactors with conservator for rail vehiclesLevel 2: Systems, InterfacesLevel 3: ComponentsMounted parts of the traction transformer and cooling systemDD CLC/TS 50537-1:2010CLC/TS 50537-1:2
19、010 - 4 - Contents 1 Scope . 6 2 Normative references. 6 3 Terms, definitions and abbreviations 7 3.1 Terms and definitions . 7 3.2 Abbreviations . 9 4 Operating conditions . 9 4.1 General 9 4.2 Environmental conditions . 9 4.3 Cooling liquid 10 4.4 Shock and vibration .10 4.5 Storage and transport
20、conditions .10 5 Electrical requirements .10 5.1 General 10 5.2 Insulation class and temperature rise 10 5.3 Rated voltage, current and frequency 10 5.4 Overvoltages 11 5.5 Short-time currents 11 5.6 Earthing screen 11 6 Mechanical requirements 12 6.1 General 12 6.2 Mechanical envelope .12 6.3 Plug-
21、in end and immersed end 12 7 Fire protection 13 8 Reliability and lifetime .13 9 Markings 14 10 Testing .14 10.1 General 14 10.2 List of tests .15 10.3 Description of tests 15 Annex A (informative) Mechanical flange, flange ring and pressure part 17 A.1 Mechanical flange and its fixings .17 A.2 Flan
22、ge ring and pressure part 17 Bibliography 19 DD CLC/TS 50537-1:2010- 5 - CLC/TS 50537-1:2010 Figures Figure 1 Maximum outer dimensions of the HV bushing (envelope) and earthing screen position .12 Figure 2 Immersed end (with outside and inside thread) 13 Figure A.1 Mechanical flange and its fixings
23、.17 Figure A.2 Pressure part .18 Figure A.3 Flange ring .18 Tables Table 1 11 Table 2 11 Table 3 List of tests .15 DD CLC/TS 50537-1:2010CLC/TS 50537-1:2010 - 6 - 1 Scope This Technical Specification is applicable to high voltage (HV) bushings, intended for use in traction transformers of rail vehic
24、les, cooled by insulating liquid with rated voltages up to 25 kV single phase and rated currents up to 630 A at frequencies from 16,7 Hz to 60 Hz. HV bushings within the scope of this Technical Specification are bushings for separable connectors that connect the power supply coming from a contact wi
25、re or from a contact rail to the primary winding of the traction transformer. The Technical Specification only deals with HV bushings that are mounted to the transformer. CLC/TS 50537-1 gives consideration to both technical and normative requirements of the railway environment and restricts the vari
26、ety provided by industry-wide standards for bushings, such as EN 50180 and EN 60137. It determines requirements and tests enabling the interchangeability especially regarding electrical and mechanical interfaces. Furthermore, service conditions are described. The cable plug as the counterpart of the
27、 HV bushings plug-in end is not covered by this Technical Specification. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the reference
28、d document (including any amendments) applies. TS 45545 (series):2009 2)Railway applications Fire protection on railway vehicles CLC/TS 50534 3)Railway applications Generic system architecture for onboard electric auxiliary power systems EN 50124-1:2001 + A1:2003 + A2:2005 Railway applications Insul
29、ation coordination Part 1: Basic requirements Clearances and creepage distances for all electrical and electronic equipment EN 50125-1:1999 Railway applications Environmental conditions for equipment Part 1: Equipment on board rolling stock EN 50163:2004 + A1:2007 Railway applications Supply voltage
30、s of traction systems EN 50180:1997 Bushings above 1 kV up to 36 kV and from 250 A to 3,15 kA for liquid filled transformers EN 50388:2005 Railway applications Power supply and rolling stock Technical criteria for the coordination between power supply (substation) and rolling stock to achieve intero
31、perability EN 60068-2-14:2009 Environmental testing Part 2-14: Tests Test N: Change of temperature(IEC 60068-2-14:2009) EN 60137:2008 Insulated bushings for alternating voltages above 1 000 V (IEC 60137:2008) 2)Part 5 is of CENELEC origin Other parts are from CEN. 3)Under development. DD CLC/TS 5053
32、7-1:2010- 7 - CLC/TS 50537-1:2010 EN 60310:2004 Railway applications Traction transformers and inductors on board rolling stock (IEC 60310:2004) EN 60529:1991 + A1:2000 Degrees of protection provided by enclosures (IP code) (IEC 60529:1989 + A1:1999) EN 60721-3-5:1997 Classification of environmental
33、 conditions Part 3: Classification of groups of environmental parameters and their severities Section 5: Ground vehicle installations (IEC 60721-3-5:1997) EN 61006:2004 Electrical insulating materials Methods of test for the determination of the glass transition temperature (IEC 61006:2004) EN 61373
34、:1999 Railway applications Rolling stock equipment Shock and vibration test(IEC 61373:1999) IEC 60050-551:1998 International Electrotechnical Vocabulary Part 551: Power electronics ISO 2859-1:1999 + Cor 1:2001 Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by accep
35、tance quality limit (AQL) for lot-by-lot inspection 3 Terms, definitions and abbreviations 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-551:1998 and the following apply. 3.1.1 HV bushing device mounted to the traction transformer which con
36、nects the power supply coming from a contact wire or a contact rail to the primary winding of the traction transformer 3.1.2 bushing for separable connector plug-in type bushing. One end of the bushing is immersed in an insulating medium and the other end designed to receive a separable insulated ca
37、ble connector, without which the bushing cannot function see also EN 60137 3.1.3 overvoltage any voltage having a peak value exceeding the corresponding peak value of maximum steady-state voltage at normal operating conditions EN 50124-1 3.1.4 temporary overvoltage overvoltage of relatively long dur
38、ation due to voltage variations EN 50124-1 3.1.5 transient overvoltage short duration overvoltage of a few milliseconds or less due to current transfer EN 50124-1 DD CLC/TS 50537-1:2010CLC/TS 50537-1:2010 - 8 - 3.1.6 nominal voltage designated value for a system EN 50163 3.1.7 highest permanent volt
39、age maximum value of the voltage likely to be present indefinitely EN 50163 3.1.8 highest non permanent voltage maximum value of the voltage likely to be present as highest non permanent voltage for a limited period of time EN 50163 3.1.9 highest long term overvoltage voltage defined as the highest
40、value of the long-term overvoltage for t = 20 ms. This value is independent from frequency EN 50163 3.1.10 rated impulse voltage impulse voltage value assigned by the manufacturer to the equipment or a part of it, characterizing the specified withstand capacity of its insulation against transient ov
41、ervoltages EN 50124-1 3.1.11 rated insulation voltage r.m.s. withstand voltage value assigned by the manufacturer to the equipment or a part of it, characterizing the specified permanent (over five minutes) withstand capacity of its insulation EN 50124-1 3.1.12 clearance shortest distance in air bet
42、ween two conductive parts EN 50124-1 3.1.13 creepage distance shortest distance along the surface of the insulating material between two conductive parts EN 50124-1 3.1.14 normal operating conditions conditions that usually occur during “real” operation 3.1.15 AQL quality level that is the worst tol
43、erable process average when a continuing series of lots is submitted for acceptance sampling ISO 2859-1 DD CLC/TS 50537-1:2010- 9 - CLC/TS 50537-1:2010 3.2 Abbreviations For the purposes of this document, the following abbreviations apply. HV High Voltage MTBF Mean Time Between Failures 4 Operating
44、conditions 4.1 General The operation of the HV bushing may be affected by the operating conditions that occur under normal train service conditions, e.g. corrosive gases, carbon dust and other matter from brake shoes and pads or vibration stress. Among all operating conditions described in this part
45、, malfunction of the HV bushing shall not occur. 4.2 Environmental conditions The plug-in end of the HV bushing is exposed to the following environmental conditions under which it shall fulfil its proper function. It is assumed that the cable plug as the counterpart of the HV bushings plug-in end is
46、 connected to the HV bushing. All values apply for the operating voltage and frequency, unless otherwise specified. Temperature range: Ambient temperature: Transport and storage: -50 C . 85 C with occasional peaks up to 105 C Other values may be agreed between customer and supplier. -50 C . 80 C Alt
47、itude: up to 1 400 m (EN 50125-1:1999, class A1) Humidity: 0 % . 100 % Climate class: EN 60721-3-5:1997, 5K2 Biological classification: EN 60721-3-5:1997, 5B3 Chemical classification: EN 60721-3-5:1997, 5C3 Contamination: EN 60721-3-5:1997, 5F3 Mechanical-active matters: EN 60721-3-5:1997, 5S3 Rain:
48、 EN 60721-3-5:1997, 5K3 Solar radiation: EN 60721-3-5:1997, 5K3 DD CLC/TS 50537-1:2010CLC/TS 50537-1:2010 - 10 - The cleaning of the HV bushing is normally carried out using water in combination with a phosphorous cleaning agent. All parts of the HV bushing shall withstand the environmental conditio
49、ns during the cleaning procedure. In all other cases, the chemical composition of the cleaning agent shall be agreed between customer and manufacturer. 4.3 Cooling liquid The immersed end of the HV bushing (see 6.2) is in direct contact with the cooling liquid of the transformer. Different liquids may be used within the transformer, which are typically used for cooling as well as insulating. Generally, the HV bushing shall be able t
