1、 IEC 60137 Edition 7.0 2017-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Insulated bushings for alternating voltages above 1 000 V Traverses isoles pour tensions alternatives suprieures 1 000 V IEC 60137:2017-06(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland
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19、ec.ch. IEC 60137 Edition 7.0 2017-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Insulated bushings for alternating voltages above 1 000 V Traverses isoles pour tensions alternatives suprieures 1 000 V INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.080.20
20、 ISBN 978-2-8322-4417-3 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cett
21、e publication via un distributeur agr. 2 IEC 60137:2017 IEC 2017 CONTENTS FOREWORD . 7 INTRODUCTION . 9 1 Scope 10 2 Normative references 10 3 Terms and definitions 12 4 Ratings 18 4.1 Rated highest voltage for equipment (U m ) 18 4.2 Rated current (I r ) 18 4.3 Rated thermal short-time current (I t
22、h ) . 18 4.4 Rated dynamic current (I d ) . 19 4.5 Minimum withstand values of cantilever load . 19 4.6 Angle of mounting . 20 4.7 Minimum nominal creepage distance 20 4.8 Temperature limits and temperature rise . 20 4.9 Insulation levels 20 4.10 Test tap on transformer bushings 23 5 Operating condi
23、tions 23 5.1 Temporary overvoltages 23 5.2 Altitude . 24 5.3 Temperature of ambient air and immersion media . 25 5.4 Seismic conditions 25 5.5 Very fast transients (VFT) . 26 5.6 Transformer insulating liquid . 26 6 Ordering information and markings 26 6.1 Enumeration of characteristics 26 6.1.1 Gen
24、eral . 26 6.1.2 Application . 26 6.1.3 Classification of bushings 26 6.1.4 Ratings 26 6.1.5 Operating conditions 27 6.1.6 Design . 27 6.2 Markings . 28 7 Test requirements 29 7.1 General requirements . 29 7.2 Test classification . 30 7.2.1 General . 30 7.2.2 Type tests 30 7.2.3 Routine tests . 31 7.
25、2.4 Special tests 32 7.3 Condition of bushings during dielectric and thermal tests 32 8 Type tests . 34 8.1 General . 34 8.2 Dry or wet power-frequency voltage withstand test 34 8.2.1 Applicability . 34 8.2.2 Test method and requirements 34 IEC 60137:2017 IEC 2017 3 8.2.3 Acceptance 34 8.3 Long dura
26、tion power-frequency voltage withstand test (ACLD) 34 8.3.1 Applicability . 34 8.3.2 Test method and requirements 34 8.3.3 Acceptance 35 8.4 Dry lightning impulse voltage withstand test 35 8.4.1 Applicability . 35 8.4.2 Test method and requirements 35 8.4.3 Acceptance 36 8.5 Dry or wet switching imp
27、ulse voltage withstand test 36 8.5.1 Applicability . 36 8.5.2 Test method and requirements 36 8.5.3 Acceptance 37 8.6 Thermal stability test . 37 8.6.1 Applicability . 37 8.6.2 Test method and requirements 38 8.6.3 Acceptance 38 8.7 Electromagnetic compatibility tests (EMC) 38 8.7.1 Emission test .
28、38 8.7.2 Immunity test . 40 8.8 Temperature rise test 40 8.8.1 Applicability . 40 8.8.2 Test method and requirements 40 8.8.3 Acceptance 41 8.9 Verification of thermal short-time current withstand . 41 8.9.1 Applicability . 41 8.9.2 Verification method and requirements 41 8.9.3 Acceptance 42 8.10 Ca
29、ntilever load withstand test . 42 8.10.1 Applicability . 42 8.10.2 Test method and requirements 42 8.10.3 Acceptance 43 8.11 Tightness test on liquid-filled, compound-filled and liquid-insulated bushings 43 8.11.1 Applicability . 43 8.11.2 Test method and requirements 43 8.11.3 Acceptance 44 8.12 In
30、ternal pressure test on gas-filled, gas-insulated and gas-impregnated bushings . 44 8.12.1 Applicability . 44 8.12.2 Test method and requirements 44 8.12.3 Acceptance 44 8.13 External pressure test on partly or completely gas-immersed bushings . 44 8.13.1 Applicability . 44 8.13.2 Test method and re
31、quirements 44 8.13.3 Acceptance 44 8.14 Verification of dimensions . 44 8.14.1 Applicability . 44 8.14.2 Acceptance 45 9 Routine tests . 45 4 IEC 60137:2017 IEC 2017 9.1 General . 45 9.2 Measurement of dielectric dissipation factor (tan ) and capacitance at ambient temperature . 45 9.2.1 Applicabili
32、ty . 45 9.2.2 Test method and requirements 45 9.2.3 Acceptance 45 9.3 Dry lightning impulse voltage withstand test 46 9.3.1 Applicability . 46 9.3.2 Test method and requirements 46 9.3.3 Acceptance 46 9.4 Dry power-frequency voltage withstand test 46 9.4.1 Applicability . 46 9.4.2 Test method and re
33、quirements 47 9.4.3 Acceptance 47 9.5 Measurement of partial discharge quantity 47 9.5.1 Applicability . 47 9.5.2 Test method and requirements 47 9.5.3 Acceptance 47 9.6 Tests of tap insulation . 48 9.6.1 Applicability and test requirements 48 9.6.2 Acceptance 48 9.7 Internal pressure test on gas-fi
34、lled, gas-insulated and gas-impregnated bushings . 49 9.7.1 Applicability . 49 9.7.2 Test method and requirements 49 9.7.3 Acceptance 49 9.8 Tightness test on liquid-filled, compound-filled and liquid-insulated bushings 49 9.8.1 Applicability . 49 9.8.2 Test method and requirements 49 9.8.3 Acceptan
35、ce 49 9.9 Tightness test on gas-filled, gas-insulated and gas-impregnated bushings 49 9.9.1 Applicability . 49 9.9.2 Test method and requirements 50 9.9.3 Acceptance 50 9.10 Tightness test at the flange or other fixing device . 50 9.10.1 Applicability . 50 9.10.2 Test method and requirements 50 9.10
36、.3 Acceptance 51 9.11 Visual inspection and dimensional check 51 9.11.1 Applicability . 51 9.11.2 Acceptance 51 10 Requirements and tests for non-capacitance graded bushings of rated highest voltages for equipment up to and including 52 kV 51 10.1 General . 51 10.2 Temperature requirements 51 10.3 L
37、evel of immersion medium. 51 10.4 Markings . 51 10.5 Test requirements . 52 10.5.1 General . 52 IEC 60137:2017 IEC 2017 5 10.5.2 Type tests 52 10.5.3 Routine tests . 52 11 Recommendations for transport, storage, erection, operation and maintenance . 53 11.1 General . 53 11.2 Conditions during transp
38、ort, storage and installation . 53 11.3 Installation 53 11.4 Unpacking and lifting 53 11.5 Assembly 54 11.5.1 General . 54 11.5.2 Mounting . 54 11.5.3 Connections 54 11.5.4 Final installation inspection 54 11.6 Operation 55 11.7 Maintenance . 55 11.7.1 General . 55 11.7.2 Recommendation for the manu
39、facturer 55 11.7.3 Recommendations for the user 56 11.7.4 Failure report . 56 12 Safety 57 12.1 General . 57 12.2 Electrical aspects 57 12.3 Mechanical aspects 57 12.4 Thermal aspects . 58 13 Environmental aspects 58 Annex A (informative) Determination of the hottest spot in bushings with conductors
40、 embedded in the insulation material 59 Bibliography 60 Figure 1 Factor m on the co-ordination switching impulse withstand voltage . 24 Figure 2 Marking plate for bushings for rated highest voltage for equipment (U m ) greater than 100 kV . 29 Figure 3 Marking plate for bushings for rated highest vo
41、ltage for equipment (U m ) equal to or less than 100 kV, except for bushings for which Figure 4 is applicable 29 Figure 4 Marking plate for bushings for rated highest voltage for equipment (U m ) equal to or less than 52 kV made of ceramic, glass or inorganic materials, resin or combined insulation
42、(see 10.3) . 29 Figure 5 Voltage profile for long duration test . 35 Table 1 Minimum values of cantilever withstand load (see 4.5 and 8.10) 19 Table 2 Maximum values of temperature and temperature rise above ambient air (see 4.8) . 21 Table 3 Insulation levels for highest voltage for equipment (U m
43、) (see 4.9, 8.2, 8.4, 8.5, 9.3 and 9.4) . 22 Table 4 Temperature of ambient air and immersion media . 25 Table 5 Applicability of type tests (see 7.2.2, excluding bushings according to Clause 10) 31 Table 6 Applicability of routine tests (see 7.2.3, excluding bushings according to Clause 10) 32 6 IE
44、C 60137:2017 IEC 2017 Table 7 Correction of test voltages (see 7.3) 33 Table 8 Maximum values of tan and tan increase (see 9.2) . 46 Table 9 Maximum values of partial discharge quantity (see 8.3 and 9.5) 48 Table 10 Applicability of type tests for bushings according to Clause 10 (see 10.5.1). 52 Tab
45、le 11 Applicability of routine tests for bushings according to Clause 10 (see 10.5.3) 53 IEC 60137:2017 IEC 2017 7 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1 000 V FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide orga
46、nization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities,
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49、y agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committee
