التفاصيل البيبلوغرافية
| العنوان: |
Analysis of low-frequency current ripple transmission in series-resonant LED drivers. |
| المؤلفون: |
de Melo, M. F., Vizzotto, W. D., Chies, L., Dalla Costa, M. A., Alonso, J. M. |
| المصدر: |
Electronics Letters (Wiley-Blackwell); 4/30/2015, Vol. 51 Issue 9, p716-717, 2p, 2 Diagrams, 1 Chart, 4 Graphs |
| مصطلحات موضوعية: |
LIGHT emitting diodes, CHROMATICITY, ENERGY consumption, ELECTRIC potential, ELECTRIC inverters |
| مستخلص: |
The use of series-resonant converters (SRCs) in light-emitting diode (LED) drivers has increased due to its simplicity and high efficiency. Furthermore, the use of a SRC provides reduction of the low-frequency ripple in the LED current, originated by the bus voltage ripple. Thus, an analysis of the SRC aiming to define a design methodology to improve the current ripple reduction provided by the SRC is proposed. Moreover, a discussion about the main factors that have influenced ripple reduction and the limits for this attenuation is presented, which have not been explored in the literature hither to. [ABSTRACT FROM AUTHOR] |
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