1、 IEC 61057 Edition 2.0 2017-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Live working Insulating aerial devices for mounting on a chassis Travaux sous tension Dispositifs lvateurs isolants pour montage sur un chssis IEC 61057:2017-0506en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 I
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19、ns contactez-nous: csciec.ch. IEC 61057 Edition 2.0 2017-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Live working Insulating aerial devices for mounting on a chassis Travaux sous tension Dispositifs lvateurs isolants pour montage sur un chssis INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION
20、ELECTROTECHNIQUE INTERNATIONALE ICS 13.260; 29.260.99 ISBN 978-2-8322-4427-2 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. Atten
21、tion! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61057:2017 IEC 2017 CONTENTS FOREWORD . 6 INTRODUCTION . 8 1 Scope 9 2 Normative references 9 3 Terms and definitions 10 4 Specific terms and nomenclature . 19 5 Requirements 22 5.1 Controls 22 5.1.1 Ac
22、tivation and operation 22 5.1.2 Duplicate controls 23 5.1.3 Emergency stop . 23 5.1.4 Control of outriggers 24 5.1.5 Monitoring of radio and optical fibre controls 24 5.1.6 High electrical resistance upper control system(s) . 24 5.2 Failure of the source of power . 24 5.3 Restoration of power after
23、failure 24 5.4 Boom travel protection 24 5.5 Chassis inclination 25 5.6 Locking pins 25 5.7 Electrical requirements . 25 5.7.1 Insulating systems . 25 5.7.2 Insulating booms (including lower boom insulating insert / chassis insulating system) 25 5.7.3 Non-conductive/insulating hydraulic hoses and li
24、nes . 26 5.7.4 Insulating fixed handling tools 26 5.7.5 Insulating optical fibre cables. 26 5.7.6 Equipotential bonding 26 5.7.7 Lower test electrode system 27 5.7.8 Corona effect . 31 5.7.9 Gradient control devices 31 5.7.10 Chassis insulating system bypass 31 5.7.11 Chassis earthing system 32 5.8
25、Particular mechanical requirements 32 5.8.1 Structural design . 32 5.8.2 Stability . 33 5.8.3 Wind speed . 33 5.9 Speeds of the extending structure . 33 5.10 Load sensing 33 5.11 Requirements for the hydraulic system . 33 5.11.1 Hydraulic depressurization (vacuum protection) . 33 5.11.2 Hydraulic pr
26、essure rise 33 5.11.3 System protection 33 5.11.4 Overriding safety devices 34 5.11.5 Pressure limiting device . 34 5.11.6 Bursting strength hoses and fittings 34 5.11.7 Fluid level indicators 34 5.11.8 Fluid cleanliness 34 IEC 61057:2017 IEC 2017 3 5.12 Requirements for the platforms . 34 5.12.1 Pl
27、atform security 34 5.12.2 Platform levelling . 34 5.12.3 Guardrail system . 35 5.12.4 Baskets . 35 5.12.5 Personnel safety attachments (and attachment for fall protection) . 35 5.13 Marking . 35 5.14 Instructions for use . 36 5.15 Dimensions and mass . 36 6 Tests . 36 6.1 General . 36 6.2 Visual and
28、 dimensional check . 37 6.3 Design check and functional testing 37 6.4 Durability of markings . 37 6.5 Dye penetration test of insulating foam-filled booms . 37 6.6 Electrical tests 38 6.6.1 General . 38 6.6.2 Electrical tests for insulating booms, insulating fixed handling tools and optical fibre c
29、ables. 38 6.6.3 Test of insulating baskets or liners . 50 6.6.4 Dielectric test of the insulating fixed handling tools 51 6.7 Dielectric tests of the insulating systems of the complete aerial devices . 52 6.7.1 General . 52 6.7.2 Aerial devices with lower test electrode system . 52 6.7.3 Aerial devi
30、ces without lower test electrode system. 55 6.8 Lower test electrode system 61 6.9 Equipotential bonding . 61 6.10 Mechanical tests . 61 6.10.1 Mechanical tests on insulating boom with its fittings 61 6.10.2 Platform creep . 62 6.10.3 Hydraulic depressurization (vacuum protection) . 62 6.11 Design a
31、nd functional tests . 63 7 Conformance testing of aerial devices after completion of the production phase 63 8 Modifications . 63 Annex A (informative) Guidelines for selecting the characteristics of insulating aerial devices as a function of the live working methods . 64 A.1 General . 64 A.2 Bare h
32、and live working 64 A.3 Live line tool, distance or hot stick working . 64 A.4 Insulating (rubber) glove working 65 A.5 Use under DC . 65 A.6 Advice for buyers of insulating aerial devices meeting the requirements of this document not intending to make use of them for live working . 65 Annex B (norm
33、ative) Suitable for live working; double triangle IEC-60417-5216:2002-10 . 66 Annex C (normative) General type test procedure 67 Annex D (normative) Classification of defects and tests to be allocated . 69 Annex E (informative) Care and maintenance 71 E.1 General . 71 4 IEC 61057:2017 IEC 2017 E.2 C
34、are of insulating components 71 E.2.1 Care whilst in transit 71 E.2.2 Care during work activities . 71 E.2.3 Storage 72 E.3 Maintenance of insulating components 72 E.3.1 General . 72 E.3.2 Cleaning 72 E.3.3 Siliconing or waxing . 73 E.4 Inspection of insulating components . 73 E.4.1 General . 73 E.4
35、.2 Pre-start inspection . 73 E.4.3 Frequent and annual inspections of aerial devices . 74 E.5 Tests 74 E.5.1 Periodic electrical tests 74 E.5.2 Mechanical test Acoustic emission testing 80 E.6 Records 81 E.7 Repairing/refurbishing . 81 E.8 Overriding safety devices 82 E.9 Care, maintenance and perio
36、dic inspection when insulating aerial devices are for other uses than live working 82 Annex F (informative) Hydraulic depressurization (vacuum protection) (see 5.11.1 and 6.10.3) 83 F.1 General . 83 F.2 In-line check valves 83 F.2.1 General . 83 F.2.2 Testing the in-line check valves (typical test p
37、rocedure reference Figure F.1) . 83 F.3 Atmospheric check valve assembly . 84 F.3.1 General . 84 F.3.2 Testing the atmospheric check valves (typical test procedure reference Figure F.2) . 85 Bibliography 87 Figure 1 Specific terms 21 Figure 2 Nomenclature . 22 Figure 3 Typical equipotential bonding
38、arrangement 27 Figure 4 Leakage current monitoring 30 Figure 5 Example of temporary bypassing arrangement for chassis insulating system . 32 Figure 6 AC dielectric test before and after exposure to humidity (method A) Typical test arrangement 40 Figure 7 AC dielectric tests before and after exposure
39、 to humidity (method A) Assembly diagram of the test piece to the guard electrodes 42 Figure 8 AC dielectric tests before and after exposure to humidity (method A) Constructional drawings for guard electrodes and parts 43 Figure 9 AC dielectric tests before and after exposure to humidity (method A)
40、Constructional drawings for brass electrode and for insulating support parts according to test piece 44 Figure 10 Details of electrode arrangement 46 Figure 11 Test arrangement . 46 IEC 61057:2017 IEC 2017 5 Figure 12 DC dielectric test before and after water soaking (method B) Typical test arrangem
41、ent . 48 Figure 13 Preparation of optical fibre cable test piece for test after the infliction of a gash . 50 Figure 14 Test of insulating basket or liner . 51 Figure 15 Test of the upper insulating system of devices with lower test electrode system 53 Figure 16 Test of the upper insulating system o
42、f devices without permanently installed lower test electrode system . 57 Figure 17 Dielectric test for insulating insert/chassis insulating system 60 Figure 18 Test of high electrical resistance component(s) 60 Figure E.1 DC only test of the upper insulating system of devices without permanently ins
43、talled lower test electrode system. 78 Figure E.2 DC only test of insulating lower boom insert or chassis insulating system . 80 Figure F.1 In-line check valve test for the insulating boom vacuum protection system 84 Figure F.2 Atmospheric check valve assembly test for the insulating boom vacuum pro
44、tection system 85 Table 1 Values for AC dielectric tests of the upper insulating system of devices with lower test electrode system . 54 Table 2 Values for DC dielectric tests of the upper insulating system of devices with lower test electrode system . 55 Table 3 Dielectric test for aerial devices w
45、ithout lower test electrode system . 58 Table C.1 List and chronological order (where required) of type tests 67 Table D.1 Classification of defects and associated requirements and tests 69 Table E.1 Electrical test values for periodic electrical testing of insulating aerial devices with lower test
46、electrode system for AC applications 75 Table E.2 Electrical test values for periodic testing of insulating aerial devices without lower test electrode system for AC applications 75 Table E.3 Electrical test values for periodic electrical testing of insulating components of aerial devices for AC app
47、lications . 76 Table E.4 Electrical test values for periodic electrical testing of insulating aerial devices with lower test electrode system for DC applications 76 Table F.1 Allowable vacuum formation within hydraulic lines (adjusted for altitude) . 86 6 IEC 61057:2017 IEC 2017 INTERNATIONAL ELECTR
48、OTECHNICAL COMMISSION _ LIVE WORKING INSULATING AERIAL DEVICES FOR MOUNTING ON A CHASSIS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is
49、 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, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparat
