1、 IEC 62271-4 Edition 1.0 2013-08 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 4: Handling procedures for sulphur hexafluoride (SF 6 ) and its mixtures Appareillage haute tension Partie 4: Utilisation et manipulation de lhexafluorure de soufre (SF 6 ) et de
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16、. IEC 62271-4 Edition 1.0 2013-08 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 4: Handling procedures for sulphur hexafluoride (SF 6 ) and its mixtures Appareillage haute tension Partie 4: Utilisation et manipulation de lhexafluorure de soufre (SF 6 ) et d
17、es mlanges contenant du SF 6INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XC ICS 29.130.10; 29.130.99 PRICE CODE CODE PRIX ISBN 978-2-8322-1042-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechniqu
18、e 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 62271-4 IEC:2013 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 General 8 1.1 Scope 8 1.2
19、Normative references 8 2 Terms and definitions . 9 3 SF 6handling during installation and commissioning . 11 3.1 General . 11 3.2 Evacuation, filling and checking the SF 6quality after filling . 11 3.3 Topping-up of SF 6pre-filled compartments to the rated filling pressure/density 13 3.4 Filling sea
20、led pressure systems . 15 4 SF 6handling during normal service life 15 4.1 Re-filling of SF 6to the rated filling pressure/density 15 4.2 Checking the SF 6quality . 16 4.2.1 General . 16 4.2.2 Measurement of the SF 6quality with portable equipment 16 4.2.3 Sampling and shipment of SF 6for off-site a
21、nalysis 17 5 SF 6recovery and reclaim during maintenance . 18 5.1 General . 18 5.2 SF 6recovery and reclaim from any compartment of controlled or closed pressure systems containing non-arced or normally arced SF 6. 18 5.3 Recovery and reclaim from any compartment of controlled or closed pressure sys
22、tems containing heavily arced SF 620 6 Dismantling of SF 6electric power equipment at the end-of-life . 22 6.1 General . 22 6.2 End-of-life of controlled or closed pressure systems 23 6.3 End-of-life of sealed pressure systems 23 6.4 SF 6recovery and reclaim at the end-of-life of sealed pressure sys
23、tems 24 6.5 Dismantling of electric power equipment at the end-of-life . 26 6.6 By-products at the end-of-life 27 Annex A (informative) Storage and transportation of SF 6. 29 Annex B (informative) Safety and first aid 33 Annex C (informative) Training and certification . 39 Annex D (informative) Des
24、cription of SF 6Handling Equipment 43 Annex E (informative) Sulphur hexafluoride . 51 Annex F (informative) Environmental effects of SF 6. 55 Annex G (informative) SF 6by-products 58 Annex H (informative) Procedure for evaluating the potential effects on health of SF 6by-products . 61 Annex I (infor
25、mative) Cryogenic reclaim of SF 6. 67 Annex J (normative) Handling of SF 6mixtures . 71 Bibliography 76 Figure 1 Evacuation, filling and checking the SF 6quality after filling 12 62271-4 IEC:2013 3 Figure 2 Topping-up of SF 6pre-filled compartments to the rated filling pressure/density . 14 Figure 3
26、 SF 6re-filling to the rated filling pressure/density 15 Figure 4 Checking the SF 6quality on-site 17 Figure 5 SF 6sampling and shipment . 18 Figure 6 Example of recovery and reclaim from any compartment of controlled or closed pressure systems containing non-arced or normally arced SF 619 Figure 7
27、Example of recovery and reclaim from any compartment of controlled or closed pressure systems containing heavily arced SF 6. 21 Figure 8 End-of-life of controlled or closed pressure systems . 23 Figure 9 End-of-life of sealed pressure systems . 24 Figure 10 SF 6recovery and reclaim at the end-of-lif
28、e of sealed pressure systems . 25 Figure 11 Dismantling of electric power equipment 27 Figure D.1 General purpose reclaimer . 43 Figure D.2 Gas mixing device 49 Figure E.1 Pressure/temperature/density characteristics for SF 616 52 Figure H.1 Procedure for the evaluation of the potential effects on h
29、ealth due to arcing . 65 Figure H.2 Procedure for the evaluation of the potential effects on health due to low energy discharges 66 Figure I.1 Saturated vapour pressure of various gases as a function of temperature 68 Figure I.2 Typical cryogenic reclaimer for SF 6recovery on site 69 Figure I.3 Typi
30、cal cryogenic reclaimer for removing contaminants 70 Figure J.1 Vapour pressure of SF 6 . 74 Figure J.2 Maximum SF 6storage density to avoid SF 6liquefaction . 75 Table 1 Evacuation, filling and checking the SF 6quality after filling . 13 Table 2 Topping-up of SF 6pre-filled compartments to the rate
31、d filling pressure/density. 14 Table 3 SF 6re-filling to the rated filling pressure/density . 16 Table 4 Checking the SF 6quality on-site . 17 Table 5 SF 6sampling and shipment 18 Table 6 Example of recovery and reclaim from any compartment of controlled or closed pressure systems containing non-arc
32、ed or normally arced SF 620 Table 7 Example of recovery and reclaim from any compartment of controlled or closed pressure systems containing heavily arced SF 6. 22 Table 8 SF 6recovery at the end-of-life of sealed pressure systems . 26 Table 9 Expected SF 6characteristics and quantity of by-products
33、 . 28 Table A.1 Methods for storage of SF 629 Table A.2 Container types and labelling required for storage and transportation of SF 6. 30 Table A.3 International regulations for shipment of SF 6. 31 Table B.1 Measures when working with SF 6electric power equipment. 33 Table B.2 Safety measures when
34、opening or accessing gas compartments 34 Table B.3 Neutralising solutions . 35 Table B.4 Additional safety measures 37 4 62271-4 IEC:2013 Table D.1 Typical filter types used during SF 6reclaim . 44 Table D.2 Gas measuring devices 47 Table E.1 Main chemical characteristics of SF 616 51 Table E.2 Main
35、 physical characteristics of SF 616 . 53 Table E.3 Main electrical characteristics of SF 616 53 Table H.1 OELs for SO 2 , HF, and S 2 F 10. 63 Table H.2 SOF 2production rate . 63 62271-4 IEC:2013 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 4: Handling p
36、rocedures for sulphur hexafluoride (SF 6 ) and its mixtures 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 to promote international co-
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46、on of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62271-4 has been prepared by subcommitte
47、e 17A: High-voltage switchgear and controlgear, of IEC technical committee 17: Switchgear and controlgear. This first edition cancels and replaces the first edition of IEC/TR 62271-303 published in 2008. This first edition constitutes a technical revision. This edition includes the following signifi
48、cant technical changes with respect to the previous edition: a) the description of the potential effects on health of SF 6by-products (former Annex D of IEC/TR 62271-303:2008) has been replaced by the calculation methods for evaluating of the potential effects on health of SF 6by-products (see Annex
49、 H); b) information about cryogenic reclaim of SF 6 .have been added (see Annex I); c) handling procedures for the most popular SF 6mixtures have been added (see Annex J). 6 62271-4 IEC:2013 The text of this standard is based on the following documents: FDIS Report on voting 17A/1044/FDIS 17A/1051/RVD Full information on the voting for the approval of this standard c
