IEC TR 62750-2012 Unified fluorescent lamp dimming standard calculations《统一荧光灯调光标准计算》.pdf
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1、 IEC/TR 62750 Edition 1.0 2012-02 TECHNICAL REPORT Unified fluorescent lamp dimming standard calculations IEC/TR 62750:2012(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduce
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8、ore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC/TR 62750 Edition 1.0 2012-02 TECHNICAL REPORT Unified fluorescent lamp dimming standard calculations INTERNATIONAL ELECTROTECHNICAL COMMISSIO
9、N R ICS 29.140 PRICE CODE ISBN 978-2-88912-939-3 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 TR 62750 IEC:2012(E) CONTENTS FOREWORD . 3 1 Scope . 5 2 Explanation of the dimming requireme
10、nts . 5 2.1 General . 5 2.2 Additional heating 5 2.3 Cathode heating limits . 6 2.4 Substitution resistors for electronic controlgear qualification 7 3 Determination of limit values 8 3.1 General . 8 3.2 Minimum sum-of-squares SoS min(I D30 I D I Dtrans ) 9 3.2.1 Lamp and electronic controlgear syst
11、ems SoS min9 3.2.2 Electronic controlgear qualification limits SoS min. 11 3.3 Minimum cathode voltage CV min(I Dmin I D I D30 ) . 12 3.3.1 Lamp and electronic controlgear systems CV min12 3.3.2 Electronic controlgear qualification limits CV min12 3.4 Maximum cathode voltage CV max(I Dmin I D I Dtra
12、ns ) 13 3.4.1 Lamp and electronic controlgear systems CV max. 13 3.4.2 Electronic controlgear qualification limits CV max. 14 4 Example of calculation for 54W HO lamps 14 4.1 General . 14 4.2 Calculation of lamp and ECG systems SoS min. 15 4.3 Calculation of lamp and ECG systems CV min. 15 4.4 Calcu
13、lation of ECG qualification limits CV min16 4.5 Calculation of lamp and ECG systems CV max16 4.6 Calculation of ECG qualification limits CV max. 16 5 Glossary of symbols . 17 Bibliography 20 Figure 1 Fundamental circuit for SoS test 10 Table 1 SoS parametric values 9 Table 2 Fitted power law paramet
14、ers . 11 Table 3 Informative parameters for lamp and controlgear systems . 13 Table 4 Datasheet parameters . 14 TR 62750 IEC:2012(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ UNIFIED FLUORESCENT LAMP DIMMING STANDARD CALCULATIONS FOREWORD 1) The International Electrotechnical Commission (IEC) is
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