EN 62798-2014 en Industrial electroheating equipment - Test methods for infrared emitters (Incorporating corrigendum November 2014).pdf

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1、BSI Standards PublicationIndustrial electroheatingequipment Test methods for infrared emittersBS EN 62798:2014BS EN 62798:2014Incorporating corrigendum November 2014BS EN 62798:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 62798:2014. It is identical to I

2、EC 62798:2014, incorporating corrigendum November 2014.The UK participation in its preparation was entrusted to Technical Committee PEL/27, Electroheating.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include al

3、l the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 88995 0ICS 25.180.10Compliance with a British Standard cannot confer immunity from legal obligations.This British

4、 Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2014.Amendments/corrigenda issued since publicationDate Text affected31 December 2014 Implementation of IEC corrigendum November 2014: formula 6 added to subclause 7.5.3EUROPEAN STANDARDNORME EUR

5、OPENNEEUROPISCHE NORMEN 62798 October 2014 ICS 25.180.10 English Version Industrial electroheating equipment - Test methods for infrared emitters (IEC 62798:2014) Chauffage lectrique industriel - Mthodes dessais desmetteurs de rayonnement infrarouge (CEI 62798:2014) Industrielle Elektrowrmeeinrichtu

6、ngen - Prfverfahren frInfrarotstrahler (IEC 62798:2014) This European Standard was approved by CENELEC on 2014-09-29. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard witho

7、ut any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any oth

8、er language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cypru

9、s, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

10、 United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitation in any form and by any mea

11、ns reserved worldwide for CENELEC Members. Ref. No. EN 62798:2014 E Incorporating corrigendum November 2014EN 62798:2014 - 2 - Foreword The text of document 27/938/CDV, future edition 1 of IEC 62798, prepared by IEC/TC 27 “Industrial electroheating and electromagnetic processing“ was submitted to th

12、e IEC-CENELEC parallel vote and approved by CENELEC as EN 62798:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-06-29 latest date by which the national standar

13、ds conflicting with the document have to be withdrawn (dow) 2017-09-29 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement not

14、ice The text of the International Standard IEC 62798:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60519-1:2010 NOTE Harmonized as EN 60519-1:2011 (not mod

15、ified). IEC 62471:2006 NOTE Harmonized as EN 62471:2008 (modified). IEC 60079-0 NOTE Harmonized as EN 60079-0. BS EN 62798:2014EN 62798:2014 - 2 - Foreword The text of document 27/938/CDV, future edition 1 of IEC 62798, prepared by IEC/TC 27 “Industrial electroheating and electromagnetic processing“

16、 was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62798:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-06-29 latest date by which

17、the national standards conflicting with the document have to be withdrawn (dow) 2017-09-29 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rig

18、hts. Endorsement notice The text of the International Standard IEC 62798:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60519-1:2010 NOTE Harmonized as EN 6

19、0519-1:2011 (not modified). IEC 62471:2006 NOTE Harmonized as EN 62471:2008 (modified). IEC 60079-0 NOTE Harmonized as EN 60079-0. BS EN 62798:2014- 3 - EN 62798:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following

20、documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an Intern

21、ational Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year Methods of test for d

22、ense shaped refractory products - Part 11: Determination of resistance to thermal shock EN 993-11 IEC 60061-1 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps EN 60061-1 - IEC 60061-2 - Lamp caps and holders together with gauges for th

23、e control of interchangeability and safety - Part 2: Lampholders EN 60061-2 - IEC 60061-3 - Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges EN 60061-3 - IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoid

24、al) EN 60068-2-6 - IEC 60068-2-7 - Basic environmental testing procedures - Part 2-7: Tests - Test Ga and guidance: Acceleration, steady state EN 60068-2-7 - IEC 60432-1 (mod) +A1 +A2 1999 2005 2011 Incandescent lamps - Safety specifications - Part 1: Tungsten filament lamps for domestic and similar

25、 general lighting purposes EN 60432-1 +A1 +A2 2000 2005 2012 IEC 60519-12 - Safety in electroheating installations - Part 12: Particular requirements for infrared electroheating installations EN 60519-12 - IEC 60682 +A1 +A2 1980 1987 1997 Standard method of measuring the pinch temperature of quartz-

26、tungstenhalogen lamps EN 60682 +A2 1993 1997 IEC 62693 2013 Industrial electroheating installations - Test methods for infrared electroheating installations EN 62693 2013 BS EN 62798:2014 2 IEC 62798:2014 IEC 2014 CONTENTS INTRODUCTION . 6 1 Scope and object . 7 2 Normative references 8 3 Terms and

27、definitions 8 3.1 General . 8 3.2 Radiation 9 4 Classification of infrared emitters . 10 5 Type of tests and general conditions of their performance . 12 5.1 General list of tests 12 5.2 Test conditions . 15 5.2.1 Operating conditions during tests. 15 5.2.2 Standard environment for tests 15 5.2.3 No

28、n-standard environment for tests . 15 5.2.4 Supply voltage . 15 5.3 Stationary condition 16 5.4 Number of emitters for tests 16 6 Measurements . 16 6.1 General . 16 6.2 Time resolution . 16 6.3 Measurement of electric data 16 6.4 Temperature measurement . 17 6.5 Irradiance and radiance measurement 1

29、7 6.6 Spectral measurements 18 6.6.1 General . 18 6.6.2 Calculation as a surrogate for measurement 18 6.6.3 Required spectral range 18 6.6.4 Measurement conditions 18 6.6.5 Spectral measurements . 19 7 Technical tests 19 7.1 General . 19 7.2 Tests concerning cap and holder of emitter . 19 7.2.1 Gene

30、ral . 19 7.2.2 Cap and holder interchangeability 19 7.2.3 Cap twist-off test . 19 7.3 Power consumption characteristics . 19 7.3.1 Rated power 19 7.3.2 Variation of power with voltage 19 7.3.3 Inrush current 20 7.3.4 Emitter resistivity as estimate for rated power 20 7.4 Emitter temperature tests 20

31、 7.4.1 Rated temperature . 20 7.4.2 Variation of source temperature with voltage . 21 7.4.3 Source temperature rise time . 21 BS EN 62798:2014 2 IEC 62798:2014 IEC 2014 CONTENTS INTRODUCTION . 6 1 Scope and object . 7 2 Normative references 8 3 Terms and definitions 8 3.1 General . 8 3.2 Radiation 9

32、 4 Classification of infrared emitters . 10 5 Type of tests and general conditions of their performance . 12 5.1 General list of tests 12 5.2 Test conditions . 15 5.2.1 Operating conditions during tests. 15 5.2.2 Standard environment for tests 15 5.2.3 Non-standard environment for tests . 15 5.2.4 S

33、upply voltage . 15 5.3 Stationary condition 16 5.4 Number of emitters for tests 16 6 Measurements . 16 6.1 General . 16 6.2 Time resolution . 16 6.3 Measurement of electric data 16 6.4 Temperature measurement . 17 6.5 Irradiance and radiance measurement 17 6.6 Spectral measurements 18 6.6.1 General

34、. 18 6.6.2 Calculation as a surrogate for measurement 18 6.6.3 Required spectral range 18 6.6.4 Measurement conditions 18 6.6.5 Spectral measurements . 19 7 Technical tests 19 7.1 General . 19 7.2 Tests concerning cap and holder of emitter . 19 7.2.1 General . 19 7.2.2 Cap and holder interchangeabil

35、ity 19 7.2.3 Cap twist-off test . 19 7.3 Power consumption characteristics . 19 7.3.1 Rated power 19 7.3.2 Variation of power with voltage 19 7.3.3 Inrush current 20 7.3.4 Emitter resistivity as estimate for rated power 20 7.4 Emitter temperature tests 20 7.4.1 Rated temperature . 20 7.4.2 Variation

36、 of source temperature with voltage . 21 7.4.3 Source temperature rise time . 21 BS EN 62798:2014IEC 62798:2014 IEC 2014 3 7.4.4 Source temperature cooling time for quartz tube emitters 22 7.4.5 Source temperature cooling time for other emitters 22 7.4.6 Quartz tube cooling time for quartz tube emit

37、ters . 22 7.4.7 Source temperature distribution . 22 7.4.8 Average temperature calculation from a thermal image 23 7.4.9 Surface temperature distribution 23 7.4.10 Distribution temperature 24 7.4.11 Thermal ruggedness 25 7.4.12 Pinching temperature of pinched emitters 25 7.5 Radiation characteristic

38、s . 25 7.5.1 General . 25 7.5.2 Radial irradiation distribution of tubular emitters 26 7.5.3 Reflectivity of a tubular emitter with applied reflector . 26 7.5.4 Planar irradiation field caused by an emitter 26 7.5.5 Angular irradiation distribution caused by an emitter 27 7.5.6 Emitted spectrum . 27

39、 7.5.7 Rated total radiant power . 28 7.5.8 Irradiation reaction time . 29 7.6 Mechanical ruggedness 29 7.6.1 Acceleration 29 7.6.2 Vibration 29 7.7 Lifetime of infrared emitters 29 7.7.1 General . 29 7.7.2 Criteria defining end of life . 30 7.7.3 Lifetime measurement . 30 7.7.4 Induced lamp death f

40、or emitter with a tungsten coil . 31 7.7.5 Induced lamp death for other emitter . 31 7.7.6 Lifetime statement . 31 8 Emitter efficiency . 32 8.1 General . 32 8.2 Conversion efficiency 32 8.3 Transfer efficiency 32 8.3.1 General . 32 8.3.2 Simple approach 33 8.3.3 Ray-tracing 33 8.4 Irradiation effic

41、iency 33 Annex A (informative) Thermal infrared radiation . 34 A.1 General . 34 A.2 Spectral emission . 34 A.3 Emissivity . 36 A.4 Conservation of tendue . 36 Annex B (informative) Infrared classification not used in this standard . 37 Annex C (normative) Measurement of spectral emission and spectra

42、l data of the emitter 38 C.1 General . 38 C.2 Comparative method . 38 C.3 Measurement of the spectral emissivity . 39 Annex D (informative) Zonal spherical factors 40 BS EN 62798:2014 4 IEC 62798:2014 IEC 2014 Annex E (informative) Distribution of measurement positions for temperature measurements 4

43、2 E.1 Reference operating temperature 42 E.2 Temperature distribution coefficient 42 Annex F (informative) End of life criteria for infrared emitter 43 Annex G (normative) Cold state resistivity and rated power . 45 G.1 General . 45 G.2 Measuring with high accuracy for comparison . 45 G.3 Temperatur

44、e influences on measurement accuracy . 45 G.4 Emitter manufacturing effects 46 G.5 Error contributions 46 Bibliography 47 Figure A.1 Spectral emissive power and accumulated power of a grey emitter at 1 800 C . 35 Figure D.1 Illustration of the measurement geometry for zonal spherical factors . 41 Ta

45、ble 1 Classification of infrared emitters by spectral emission 11 Table 2 List of tests, their applicability to different classes of infrared emitters and the number of emitters needed for the tests 13 Table A.1 The generalised Wiens displacement law 35 Table B.1 Classification based on terms define

46、d in IEC 60050-841:2004 37 Table D.1 Zonal spherical factors and corresponding angles 40 Table F.1 Instantaneous end-of-life 43 Table F.2 Gradual degradation. 44 BS EN 62798:2014 4 IEC 62798:2014 IEC 2014 Annex E (informative) Distribution of measurement positions for temperature measurements 42 E.1

47、 Reference operating temperature 42 E.2 Temperature distribution coefficient 42 Annex F (informative) End of life criteria for infrared emitter 43 Annex G (normative) Cold state resistivity and rated power . 45 G.1 General . 45 G.2 Measuring with high accuracy for comparison . 45 G.3 Temperature inf

48、luences on measurement accuracy . 45 G.4 Emitter manufacturing effects 46 G.5 Error contributions 46 Bibliography 47 Figure A.1 Spectral emissive power and accumulated power of a grey emitter at 1 800 C . 35 Figure D.1 Illustration of the measurement geometry for zonal spherical factors . 41 Table 1

49、 Classification of infrared emitters by spectral emission 11 Table 2 List of tests, their applicability to different classes of infrared emitters and the number of emitters needed for the tests 13 Table A.1 The generalised Wiens displacement law 35 Table B.1 Classification based on terms defined in IEC 60050-841:2004 37 Table D.1 Zonal spherical factors and corresponding angles 40 Table F.1 Instantaneous end-of-life 43 Table F.2 Gradual degradation. 44 BS EN 62798:2014 6 IEC 62

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