1、 IEC 61482-1-1Edition 1.0 2009-05INTERNATIONAL STANDARD NORME INTERNATIONALELive working Protective clothing against the thermal hazards of an electric arc Part 1-1: Test methods Method 1: Determination of the arc rating (ATPV or EBT50) of flame resistant materials for clothing Travaux sous tension
2、Vtements de protection contre les dangers thermiques dun arc lectrique Partie 1-1: Mthodes dessai Mthode 1: Dtermination de la caractristique darc (ATPV ou EBT50) de matriaux rsistant la flamme pour vtements IEC61482-1-1:2009 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC, Geneva, Switze
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17、919 03 00 IEC 61482-1-1Edition 1.0 2009-05INTERNATIONAL STANDARD NORME INTERNATIONALELive working Protective clothing against the thermal hazards of an electric arc Part 1-1: Test methods Method 1: Determination of the arc rating (ATPV or EBT50) of flame resistant materials for clothing Travaux sous
18、 tension Vtements de protection contre les dangers thermiques dun arc lectrique Partie 1-1: Mthodes dessai Mthode 1: Dtermination de la caractristique darc (ATPV ou EBT50) de matriaux rsistant la flamme pour vtements INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONAL
19、E XICS 13.220.40; 29.260 PRICE CODECODE PRIXISBN 2-8318-1042-3 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61482-1-1 IEC:2009 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Terms, definitions and sym
20、bols 7 3.1 Terms and definitions 7 3.2 Symbols and units .11 4 Principle of the test methods 11 4.1 Test method A.11 4.2 Test method B.12 5 Significance and use of the test methods12 6 Test apparatus .12 6.1 General .12 6.2 Method A Arrangement of the two-sensor panels13 6.3 Method A Panel construct
21、ion 14 6.4 Method B Arrangement of the mannequins .15 6.5 Method B Mannequin construction17 6.6 Sensor response .18 6.7 Calorimeter construction18 6.8 Supply bus and electrodes 20 6.8.1 General .20 6.8.2 Electrodes .21 6.8.3 Fuse wire 22 6.9 Electric supply.22 6.10 Test-circuit control.22 6.11 Data
22、acquisition system.22 7 Precautions 22 8 Specimen preparation.23 8.1 Test specimens .23 8.1.1 Test specimens for method A: two-sensor panel test .23 8.1.2 Test specimens for method B: four-sensor mannequin.23 8.2 Laundry conditioning of test specimens .23 9 Calibration23 9.1 Data acquisition system
23、precalibration 23 9.2 Calorimeter calibration check 23 9.3 Arc exposure and apparatus calibration for the two-sensor panels and the monitoring sensors 24 9.3.1 Test apparatus 24 9.3.2 Positioning of the two-sensor panels, mannequins and monitoring sensors .24 9.3.3 Apparatus calibration for the two-
24、sensor panels and monitoring sensors .24 9.4 Confirmation of test apparatus setting .24 10 Test apparatus care and maintenance 25 10.1 Surface reconditioning.25 10.2 Care of sensor panels and mannequins.25 10.3 Care of electrodes.25 61482-1-1 IEC:2009 3 11 Test procedures .25 11.1 Test parameters 25
25、 11.2 Sequence of tests .25 11.2.1 Panels .25 11.2.2 Mannequins.25 11.2.3 Test criteria .25 11.3 Initial temperature .26 11.4 Specimen mounting.26 11.4.1 Method A panels26 11.4.2 Method B mannequins .27 11.5 Specimen characteristics.27 11.6 Test protocol .28 12 Interpretation of results 28 12.1 Heat
26、 transfer .28 12.1.1 Determining time zero .28 12.1.2 Plotting sensor response .28 12.1.3 Sensor response versus Stoll curve.30 12.1.4 Determination of heat attenuation factor (HAF)32 12.2 Determination of breakopen threshold energy, EBT50.33 12.3 Arc rating 33 12.4 Visual inspection .33 13 Test rep
27、ort34 Annex A (normative) Measurement of char length36 Annex B (informative) Logistic regression technique 37 Annex C (informative) Heat attenuation factor39 Bibliography40 Figure 1 Method A Arrangement of three two-sensor panels with monitoring sensors (plan view).13 Figure 2 Method A Two-sensor pa
28、nel (face view) with monitoring sensors 14 Figure 3 Method A Sliding two-sensor panel .15 Figure 4 Supply bus and arc electrodes showing the position of mannequin(s) and monitoring sensors .16 Figure 5 Positioning of electrodes and monitoring sensors.17 Figure 6 Four-sensor mannequin, front view 18
29、Figure 7 Calorimeter and thermocouple details 19 Figure 8 Typical installation of the copper sensor mounted in the panel and the calorimeter mounted in the monitoring sensor.20 Figure 9 Example of supply bus and arc electrodes for panels .21 Figure 10 Typical material clamping assembly .27 Figure 11
30、 Typical sensor temperature-rise curve with time scale and baseline correction .29 Table 1 Human tissue tolerance to heat, second-degree burn 1 .31 Table A.1 Total tearing load.36 4 61482-1-1 IEC:2009 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LIVE WORKING PROTECTIVE CLOTHING AGAINST THE THERMAL HA
31、ZARDS OF AN ELECTRIC ARC Part 1-1: Test methods Method 1: Determination of the arc rating (ATPV or EBT50) of flame resistant materials for clothing FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical
32、 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, IEC publishes International Standards, Technical Specifications, Tec
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38、icated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attac
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41、. 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 61482-1-1 has been prepared by IEC technical committee 78: Liv
42、e working. This standard cancels and replaces IEC 61482-1:2002. It constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 61482-1: addition of a detailed analysis of the sensor response. 61482-1-1 IEC:2009 5 The text of this standard i
43、s based on the following documents: FDIS Report on voting 78/793/FDIS 78/805/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A
44、list of all parts of the IEC 61482 series can be found, under the general title Live working Protective clothing against the thermal hazards of an electric arc, on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date
45、 indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition; or amended. 6 61482-1-1 IEC:2009 LIVE WORKING PROTECTIVE CLOTHING AGAINST THE THERMAL HAZARDS OF
46、AN ELECTRIC ARC Part 1-1: Test methods Method 1: Determination of the arc rating (ATPV or EBT50) of flame resistant materials for clothing 1 Scope This part of IEC 61482 specifies test methods to measure the arc thermal performance value of materials intended for use in heat- and flame-resistant clo
47、thing for workers exposed to the thermal effects of electric arcs and the function of garments using these materials. These test methods measure the arc thermal performance value of materials which meet the following requirements: less than 100 mm char length and less than 2 s afterflame after remov
48、al from flame, when tested in accordance with ISO 15025, procedure B (bottom-edge ignition) on the outer material, and the char length measured using a modified ISO method as described in Annex A. These methods are used to measure and describe the properties of materials, products, assemblies or gar
49、ments, in response to convective and radiant energy generated by an electric arc in open air under controlled laboratory conditions. The materials used in these methods are in the form of flat specimens for method A and garments for method B. Method A is used to determine the arc rating of materials and material assemblies when tested in a
