DCM Boost PFC for High Brightness LED Driver Applications

Energies

Alexander Abramovitz¹  Tal Tayar²  Doron Shmilovitz² 

[1] Department of Electrical Engineering, Faculty of Engineering, Holon Institute of Technology, 52 Golomb St., Holon 5810201, Israel;Department of Physical Electronics, School of Electrical Engineering, Faculty of Engineering, Tel-Aviv University, P.O. Box 39040, Tel Aviv-Yafo 69978, Israel;

关键词: LED driver;    AC-DC conversion;    boost converter;    DCM;    PFC;   

DOI  :  10.3390/en14175486

来源: DOAJ

【 摘 要 】

This paper is concerned with the derivation of a discontinuous conduction mode boost PFC rectifier as a driver for high-power LED lighting applications. The proposed driver is operated in the current mode regime while emulating a resistance towards the line, thus attaining a near unity power factor and low total harmonic distortion of the line current. Theoretical analysis is reported and conditions for the low LED flicker are derived. A method of design for minimum THD is also suggested. Simulation and experimental results are reported.

【 授权许可】

Unknown