1、 IEC 62271-202 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 202: High-voltage/low-voltage prefabricated substation Appareillage haute tension Partie 202: Postes prfabriqus haute tension/basse tension IEC 62271-202:2014-03(en-fr) colour
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19、h/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62271-202 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 202: High-voltage/low-voltage prefabricated subs
20、tation Appareillage haute tension Partie 202: Postes prfabriqus haute tension/basse tension INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XD ICS 29.130.10 PRICE CODE CODE PRIX ISBN 978-2-8322-1483-1 Registered trademark of the International Electrotechnical Com
21、mission 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 cette publication via un distributeur agr. colour inside 2 IEC 62271-202:2014 IEC 2014 CON
22、TENTS FOREWORD . 8 INTRODUCTION . 10 1 General . 11 1.1 Scope 11 1.2 Normative references . 11 2 Normal and special service conditions . 13 2.1 Normal service conditions 13 2.1.1 Indoor switchgear and controlgear 13 2.1.1.101 Low-voltage switchgear and controlgear . 13 2.1.1.102 Transformer 13 2.1.2
23、 Outdoor switchgear and controlgear . 14 2.2 Special service conditions 14 2.2.1 Altitude . 14 2.2.2 Pollution . 14 2.2.3 Temperature and humidity 15 2.2.4 Vibrations, shock or tilting. 15 2.2.5 Wind speed 15 2.2.6 Other parameters . 15 3 Terms and definitions 15 4 Ratings 17 4.1 Rated voltage (U r
24、) . 18 4.2 Rated insulation level . 18 4.3 Rated frequency (f r ) . 19 4.4 Rated normal current and temperature rise 19 4.4.1 Rated normal current (I r ) 19 4.4.2 Temperature rise 19 4.4.3 Particular points of Table 3 . 19 4.5 Rated short-time withstand current (I k ) 19 4.5.101 Rated short-time wit
25、hstand current of high voltage switchgear and controlgear and high voltage interconnection (I k ) . 20 4.5.102 Rated short-time phase to earth withstand current (I ke ) 20 4.5.103 Rated short-time withstand currents of low voltage switchgear and controlgear and low voltage interconnection (I cw ) 20
26、 4.6 Rated peak withstand current (I p ) 20 4.6.101 Rated peak withstand current (I p ) . 20 4.6.102 Rated peak phase to earth withstand current (I pe ) 20 4.6.103 Rated peak withstand currents of low voltage switchgear and controlgear and low voltage interconnection (I pk ) . 20 4.7 Rated durations
27、 of short circuit (t k ) 20 4.7.101 Rated duration of short circuit (t k ) . 21 4.7.102 Rated duration of phase to earth short circuit (t ke ) . 21 4.7.103 Rated duration of short circuits for low voltage switchgear and controlgear and low voltage interconnection . 21 4.7.104 Rated duration of short
28、 circuits for transformers . 21 4.8 Rated supply voltage of closing and opening devices and auxiliary and control circuits (U a ) 21 4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits . 21 IEC 62271-202:2014 IEC 2014 3 4.10 Rated pressure of compressed gas supply for
29、 controlled pressure systems . 21 4.11 Rated filling levels for insulation and/or operation 21 4.101 Rated maximum power and class of enclosure . 22 4.101.1 Rated maximum power of the prefabricated substation . 22 4.101.2 Rated class of enclosure 22 4.102 Ratings of the internal arc classification .
30、 22 4.102.1 General 22 4.102.2 Types of accessibility (A, B, AB) . 22 4.102.3 Rated arc fault currents (I A , I Ae ) 22 4.102.4 Rated arc fault duration (t A , t Ae ) 23 5 Design and construction 23 5.1 Requirements for liquids in switchgear and controlgear 23 5.2 Requirements for gases in switchgea
31、r and controlgear 23 5.3 Earthing of switchgear and controlgear 24 5.4 Auxiliary and control equipment . 25 5.5 Dependent power operation . 25 5.6 Stored energy operation . 25 5.7 Independent manual or power operation (independent unlatched operation) 25 5.8 Operation of releases . 25 5.9 Low- and h
32、igh-pressure interlocking and monitoring devices 25 5.10 Nameplates 25 5.11 Interlocking devices . 25 5.12 Position indication 26 5.13 Degree of protection provided by enclosures . 26 5.14 Creepage distances for outdoor insulators . 26 5.15 Gas and vacuum tightness . 26 5.16 Liquid tightness 26 5.17
33、 Fire hazard (flammability) 26 5.18 Electromagnetic compatibility (EMC) 26 5.101 Protection of the prefabricated substation against mechanical stress . 26 5.102 Protection of the environment due to internal defects . 27 5.103 Internal arc fault . 27 5.104 Enclosure 28 5.104.1 General 28 5.104.2 Fire
34、 behaviour 28 5.104.3 Corrosion 29 5.104.4 Covers and doors . 30 5.104.5 Ventilation openings . 30 5.104.6 Partitions 30 5.105 Other provisions. 31 5.105.1 Provisions for dielectric tests on cables 31 5.105.2 Accessories 31 5.105.3 Operation aisle . 31 5.105.4 Labels 31 5.106 Sound emission . 31 5.1
35、07 Electromagnetic fields 31 6 Type tests . 31 4 IEC 62271-202:2014 IEC 2014 6.1 General 31 6.1.1 Grouping of tests 32 6.1.2 Information for identification of specimens 32 6.1.3 Information to be included in type-test reports 32 6.2 Dielectric tests . 33 6.2.1 Ambient air conditions during tests . 3
36、3 6.2.2 Wet test procedure . 33 6.2.3 Conditions of switchgear and controlgear during dielectric tests . 33 6.2.4 Criteria to pass the test 33 6.2.5 Application of the test voltage and test conditions . 33 6.2.6 Tests of switchgear and controlgear of U r 245 kV 33 6.2.7 Tests of switchgear and contr
37、olgear of U r 245 kV 33 6.2.8 Artificial pollution tests for outdoor insulators 33 6.2.9 Partial discharge tests 33 6.2.10 Dielectric tests on auxiliary and control circuits. 34 6.2.11 Voltage test as condition check 34 6.2.101 Tests on the high-voltage interconnection . 34 6.2.102 Tests on low-volt
38、age interconnection 35 6.3 Radio interference voltage (r.i.v.) test 36 6.4 Measurement of the resistance of circuits 36 6.5 Temperature-rise tests . 36 6.5.101 General 36 6.5.102 Test conditions . 37 6.5.103 Test methods 38 6.5.104 Measurements 41 6.5.105 Acceptance criteria . 42 6.6 Short-time with
39、stand current and peak withstand current tests . 43 6.7 Verification of the protection 43 6.8 Tightness tests 43 6.9 Electromagnetic compatibility tests (EMC) . 43 6.10 Additional tests on auxiliary and control circuits . 44 6.10.1 General 44 6.10.2 Functional tests 44 6.10.3 Electrical continuity o
40、f earthed metallic parts test . 44 6.10.4 Verification of the operational characteristics of auxiliary contacts 44 6.10.5 Environmental tests 44 6.10.6 Dielectric test . 44 6.11 X-radiation test procedures for vacuum interrupters . 44 6.101 Calculations and mechanical tests . 44 6.101.1 Wind pressur
41、e 44 6.101.2 Roof loads 45 6.101.3 Mechanical impacts 45 6.102 Internal arc test 45 6.102.1 General 45 6.102.2 Test conditions . 45 6.102.3 Arrangement of the equipment 46 6.102.4 Test procedure . 46 IEC 62271-202:2014 IEC 2014 5 6.102.5 Criteria to pass the test 46 6.102.6 Test report 47 6.102.7 Tr
42、ansferability of tests results . 48 6.103 Measurement or calculation of electromagnetic fields 48 7 Routine tests . 48 Replacement: 49 7.101 Dielectric test on the high voltage interconnection 49 7.102 Voltage withstand tests on auxiliary circuits . 49 7.103 Functional tests . 49 7.104 Verification
43、of correct wiring . 49 7.105 Tests after assembly on site 49 8 Guide to the selection of prefabricated substation . 49 Replacement: 49 8.101 General 49 8.102 Selection of rated values 50 8.103 Selection of class of enclosure . 50 8.104 Internal arc fault . 50 8.104.1 General 50 8.104.2 Causes and pr
44、eventive measures . 51 8.104.3 Supplementary protective measures . 51 8.104.4 Considerations for the selection and installation . 53 8.104.5 Internal arc test 53 8.104.6 IAC classification 53 8.105 Summary of technical requirements, ratings and optional tests 54 9 Information to be given with enquir
45、ies, tenders and orders 58 9.1 Information with enquiries and orders 58 9.2 Information with tenders . 59 10 Transport, storage, installation, operation, maintenance 60 10.1 Conditions during transport, storage and installation 60 10.2 Installation . 60 10.2.1 Unpacking and lifting 61 10.2.2 Assembl
46、y 61 10.2.3 Mounting 61 10.2.4 Connections . 61 10.2.5 Final installation inspection . 61 10.2.6 Basic input data by the user . 61 10.2.7 Basic input data by the manufacturer 61 10.3 Operation . 61 10.4 Maintenance 62 10.101 Dismantling, recycling and disposal at the end-of-service life . 62 11 Safe
47、ty 62 11.101 Electrical aspects . 62 11.102 Mechanical aspects . 62 11.103 Thermal aspects 62 11.104 Internal arc aspects . 62 12 Influence of the product on the environment 63 Annex AA (normative) Internal arc fault Method to verify the internal arc classification (IAC) 64 6 IEC 62271-202:2014 IEC
48、2014 AA.1 General 64 AA.2 Room simulation 64 AA.3 Indicators (for assessing the thermal effects of the gases) . 64 AA.3.1 General 64 AA.3.2 Arrangement of indicators . 65 AA.4 Tolerances for geometrical dimensions of test arrangements . 66 AA.5 Test parameters . 67 AA.6 Test procedure . 67 Annex BB
49、normative) Test to verify the sound level of a prefabricated substation . 76 BB.1 Purpose . 76 BB.2 Test specimen . 76 BB.3 Test method . 76 BB.4 Measurements . 76 BB.5 Presentation and calculation of the results . 76 Annex CC (normative) Mechanical impact test . 78 CC.1 Test for the verification of the resistance to mechanical impact 78 CC.2 Apparatus for the verification of the protection against mechanical damage 78 Annex DD (informative) Rating of tran
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