1、Insulated bushings foralternating voltagesabove 1 000 VBS EN 60137:2008raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsNational forewordThis British Standard is the UK implementation of EN 60137:2008. It isidentical to IEC 60137:2
2、008. It supersedes BS EN 60137:2003 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/36, Insulators for power systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to
3、 include all the necessary provisionsof a contract. Users are responsible for its correct application. BSI 2008ISBN 978 0 580 54329 6ICS 29.080.20BRITISH STANDARDBS EN 60137:2008Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under
4、the authority of the StandardsPolicy and Strategy Committee on 31 March 2009 Amendments issued since publicationAmd. No. Date Text affectedEUROPEAN STANDARD EN 60137 NORME EUROPENNE EUROPISCHE NORM October 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalis
5、ation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60137:2008 E ICS 29.080.20 Supersedes EN 60137
6、:2003English version Insulated bushings for alternating voltages above 1 000 V (IEC 60137:2008) Traverses isoles pour tensions alternatives suprieures 1 000 V (CEI 60137:2008) Isolierte Durchfhrungen fr Wechselspannungen ber 1 000 V (IEC 60137:2008) This European Standard was approved by CENELEC on
7、2008-10-01. 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 concerning such national standards may
8、be obtained on application to the Central Secretariat 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 member into its own language and notified to t
9、he Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxemb
10、ourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 60137:2008 - 2 - Foreword The text of document 36A/134/FDIS, future edition 6 of IEC 60137, prepared by SC 36A, Insulated bushings, of IEC TC 36, Insulators, was
11、 submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60137 on 2008-10-01. This European Standard supersedes EN 60137:2003. EN 60137:2008 includes the following significant technical changes with respect to EN 60137:2003: long duration power-frequency voltage for transformer
12、bushings; special requirements for type and acceptance tests applicable to transformer and GIS bushings; specific insulation levels for bushings fitted to transformers and GIS; according to IEC Guide 111, clauses relating to safety and the environment have been added; the altitude correction procedu
13、re has been revised ( 1 000 m). The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2009-07-01 latest date by which the national standards conflicting with the EN have to be withd
14、rawn (dow) 2011-10-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60137:2008 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 standa
15、rds indicated: IEC 60076-1 NOTE Harmonized as EN 60076-1:1997 (modified). IEC 60076-2 NOTE Harmonized as EN 60076-2:1997 (modified). IEC 60076-3 NOTE Harmonized as EN 60076-3:2001 (not modified). IEC 60296 NOTE Harmonized as EN 60296:2004 (not modified). IEC 60507 NOTE Harmonized as EN 60507:1993 (n
16、ot modified). IEC 60517 NOTE Harmonized as EN 60517:1996 (not modified). IEC 60694 NOTE Harmonized as EN 60694:1996 (not modified). IEC 60836 NOTE Harmonized as EN 60836:2005 (not modified). IEC 60867 NOTE Harmonized as EN 60867:1994 (not modified). IEC 62271-203 NOTE Harmonized as EN 62271-203:2004
17、 (not modified). _ - 3 - EN 60137:2008 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applie
18、s. 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 EN/HD applies. Publication Year Title EN/HD Year IEC 60038 (mod) - - A1 A2 1
19、983 - - 1994 1997 IEC standard voltages1)HD 472 S1 + corr. February A1 1989 2002 1995 IEC 60050-212 1990 International Electrotechnical Vocabulary (IEV) - Chapter 212: Insulating solids, liquids and gases - - IEC 60059 -2)IEC standard current ratings EN 60059 19993)IEC 60060-1 -2)High-voltage test t
20、echniques - Part 1: General definitions and test requirements HD 588.1 S1 19913)IEC 60068-2-17 1994 Environmental testing - Part 2: Tests - Test Q: Sealing EN 60068-2-17 19943)IEC 60071-1 -2)Insulation co-ordination - Part 1: Definitions, principles and rules EN 60071-1 20063)IEC 60076-5 -2)Power tr
21、ansformers -Part 5: Ability to withstand short circuit EN 60076-5 20063)IEC 60076-7 -2)Power transformers -Part 7: Loading guide for oil-immersed power transformers - - IEC 60216-2 -2)Electrical insulating materials - Thermal endurance properties - Part 2: Determination of thermal endurance properti
22、es of electrical insulating materials - Choice of test criteria EN 60216-2 20053)IEC 60270 -2)High-voltage test techniques - Partial discharge measurements EN 60270 20013)IEC 60376 -2)Specification of technical grade sulfur hexafluoride (SF6) for use in electrical equipment EN 60376 20053)IEC 60480
23、-2)Guidelines for the checking and treatment of sulphur hexafluoride (SF6) taken from electrical equipment and specification for its re-use EN 60480 20043)1)The title of HD 472 S1 is: Nominal voltages for low voltage public electricity supply systems. 2)Undated reference. 3)Valid edition at date of
24、issue. EN 60137:2008 - 4 - Publication Year Title EN/HD Year IEC 60505 -2)Evaluation and qualification of electrical insulation systems EN 60505 20043)IEC/TR 60815 -2)Guide for the selection of insulators in respect of polluted conditions - - IEC 61462 -2)Composite hollow insulators - Pressurized an
25、d 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 20073)IEC 61463 -2)Bushings - Seismic qualification - - IEC 62155 (mod) -2)Hollow pressurized and unpressurized cera
26、mic and glass insulators for use in electrical equipment with rated voltages greater than 1 000 V EN 62155 20033)IEC 62217 -2)Polymeric insulators for indoor and outdoor use with a nominal voltage 1 000 V - General definitions, test methods and acceptance criteria EN 62217 + corr. December 20063)200
27、6 IEC 62271 Series High-voltage switchgear and controlgear EN 62271 Series IEC 62271-1 -2)High-voltage switchgear and controlgear - Part 1: Common specifications EN 62271-1 200X4)IEC Guide 109 -2)Environmental aspects - Inclusion in electrotechnical product standards - - IEC Guide 111 -2)Electrical
28、high-voltage equipment in high-voltage substations - Common recommendations for product standards - - CISPR 16-1 Series Specification for radio disturbance and immunity measuring apparatus and methods -Part 1: Radio disturbance and immunity measuring apparatus EN 55016-1 Series CISPR 18-2 -2)Radio i
29、nterference characteristics of overhead power lines and high-voltage equipment - Part 2: Methods of measurement and procedure for determining limits - - 4)To be ratified. 2 60137 IEC:2008 CONTENTS INTRODUCTION.8 1 Scope.9 2 Normative references .9 3 Terms and definitions .10 4 Ratings.16 4.1 Standar
30、d values of highest voltage for equipment (Um).16 4.2 Standard values of rated current (Ir)16 4.3 Standard values of rated thermal short-time current (Ith).16 4.4 Standard values of rated dynamic current (Id) .17 4.5 Minimum withstand values of cantilever load .17 4.6 Angle of mounting .18 4.7 Minim
31、um nominal creepage distance.18 4.8 Temperature limits and temperature rise .18 4.9 Standard insulation levels .20 4.10 Test tap on transformer bushings 22 5 Operating conditions 22 5.1 Temporary overvoltages 22 5.2 Altitude22 5.3 Temperature of ambient air and immersion media .23 5.4 Seismic condit
32、ions 24 6 Ordering information and markings.24 6.1 Enumeration of characteristics 24 6.1.1 Application 24 6.1.2 Classification of bushings 24 6.1.3 Ratings24 6.1.4 Operating conditions24 6.1.5 Design.25 6.2 Markings .26 7 Test requirements 27 7.1 General requirements27 7.2 Test classification27 7.2.
33、1 Type tests .28 7.2.2 Routine tests .29 7.2.3 Special tests29 7.3 Condition of bushings during dielectric and thermal tests 29 8 Type tests 31 8.1 Dry or wet power-frequency voltage withstand test 31 8.1.1 Applicability.31 8.1.2 Test method and requirements 31 8.1.3 Acceptance .31 8.2 Long duration
34、 power-frequency voltage withstand test (ACLD) 32 8.2.1 Applicability.32 8.2.2 Test method and requirements 32 8.2.3 Acceptance .32 8.3 Dry lightning impulse voltage withstand test (BIL)33 BS EN 60137:200860137 IEC:2008 3 8.3.1 Applicability.33 8.3.2 Test method and requirements 33 8.3.3 Acceptance
35、.33 8.4 Dry or wet switching impulse voltage withstand test (SIL)34 8.4.1 Applicability.34 8.4.2 Test method and requirements 34 8.4.3 Acceptance .34 8.5 Thermal stability test .35 8.5.1 Applicability.35 8.5.2 Test method and requirements 35 8.5.3 Acceptance .36 8.6 Electromagnetic compatibility tes
36、ts (EMC).36 8.6.1 Emission test.36 8.6.2 Immunity test.37 8.7 Temperature rise test 37 8.7.1 Applicability.37 8.7.2 Test method and requirements 37 8.7.3 Acceptance .39 8.8 Verification of thermal short-time current withstand .39 8.8.1 Applicability.39 8.8.2 Verification method and requirements39 8.
37、8.3 Acceptance .40 8.9 Cantilever load withstand test41 8.9.1 Applicability.41 8.9.2 Test method and requirements 41 8.9.3 Acceptance .41 8.10 Tightness test on liquid-filled, compound-filled and liquid-insulated bushings 41 8.10.1 Applicability.41 8.10.2 Test method and requirements 42 8.10.3 Accep
38、tance .42 8.11 Internal pressure test on gas-filled, gas-insulated and gas-impregnated bushings .42 8.11.1 Applicability.42 8.11.2 Test method and requirements 42 8.11.3 Acceptance .42 8.12 External pressure test on partly or completely gas-immersed bushings .42 8.12.1 Applicability.42 8.12.2 Test m
39、ethod and requirements 42 8.12.3 Acceptance .43 8.13 Verification of dimensions .43 8.13.1 Applicability.43 8.13.2 Acceptance .43 9 Routine tests 43 9.1 Measurement of dielectric dissipation factor (tan ) and capacitance at ambient temperature .43 9.1.1 Applicability.43 9.1.2 Test method and require
40、ments 43 9.1.3 Acceptance .43 9.2 Dry lightning impulse voltage withstand test (BIL)44 BS EN 60137:2008 4 60137 IEC:2008 9.2.1 Applicability.44 9.2.2 Test method and requirements 44 9.2.3 Acceptance .44 9.3 Dry power-frequency voltage withstand test 44 9.3.1 Applicability.44 9.3.2 Test method and re
41、quirements 45 9.3.3 Acceptance .45 9.4 Measurement of partial discharge quantity 45 9.4.1 Applicability.45 9.4.2 Test method and requirements 45 9.4.3 Acceptance .45 9.5 Tests of tap insulation .46 9.5.1 Applicability and test requirements 46 9.5.2 Acceptance .46 9.6 Internal pressure test on gas-fi
42、lled, gas-insulated and gas-impregnated bushings .46 9.6.1 Applicability.46 9.6.2 Test method and requirements 47 9.6.3 Acceptance .47 9.7 Tightness test on liquid-filled, compound-filled and liquid-insulated bushings 47 9.7.1 Applicability.47 9.7.2 Test method and requirements 47 9.7.3 Acceptance .
43、47 9.8 Tightness test on gas-filled, gas-insulated and gas-impregnated bushings 47 9.8.1 Applicability.47 9.8.2 Test method and requirements 47 9.8.3 Acceptance .48 9.9 Tightness test at the flange or other fixing device48 9.9.1 Applicability.48 9.9.2 Test method and requirements 48 9.9.3 Acceptance
44、 .48 9.10 Visual inspection and dimensional check.49 9.10.1 Applicability.49 9.10.2 Acceptance .49 10 Requirements and tests for bushings of highest voltages for equipment equal to or less than 52 kV made of ceramic, glass or inorganic materials, resin or combined insulation49 10.1 Temperature requi
45、rements 49 10.2 Level of immersion medium .49 10.3 Markings .49 10.4 Test requirements .50 10.4.1 Type tests .50 10.4.2 Routine tests .50 11 Recommendations for transport, storage, erection, operation and maintenance51 11.1 Conditions during transport, storage and installation .51 11.2 Installation
46、51 11.3 Unpacking and lifting.51 11.4 Assembly 52 11.4.1 Mounting .52 BS EN 60137:200860137 IEC:2008 5 11.4.2 Connections 52 11.4.3 Final installation inspection52 11.5 Operation 53 11.6 Maintenance53 11.6.1 General .53 11.6.2 Recommendation for the manufacturer 53 11.6.3 Recommendations for the use
47、r 53 11.6.4 Failure report.54 12 Safety.55 12.1 Electrical aspects 55 12.2 Mechanical aspects.55 12.3 Thermal aspects55 13 Environmental aspects .55 Bibliography57 Figure 1 Altitude correction factor 23 Figure 2 Marking plate for bushings for highest voltage for equipment greater than 100 kV (see 6.
48、2) 26 Figure 3 Marking plate for bushings for highest voltage for equipment equal to or less than 100 kV, except for bushings for which Figure 2 is applicable (see 6.2).27 Figure 4 Marking plate for bushings for highest voltage for equipment equal to or less than 52 kV made of ceramic, glass or inor
49、ganic materials, resin or combined insulation (see 10.3) .27 Figure 5 Voltage profile for long duration test ACLD 32 Table 1 Minimum values of cantilever withstand load (see 4.5 and 8.9)17 Table 2 Maximum values of temperature and temperature rise above ambient air (see 4.8) .19 Table 3 Temperature of ambient air and immersion media (see 5.3) 20 Table 4 Insulation levels for highest voltage for equipment (see 4.9, 8.1, 8.3, 8.4, 9.2 and 9.3) 21 Table 5 Applicability of typ
