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A novel current reference to enhance input power quality of single-stage LED driver

Li, H, Hassan, W ORCID: 0000-0002-1926-1724 and Xiao, W 2020 , 'A novel current reference to enhance input power quality of single-stage LED driver', in Proceedings of the 4th International Future Energy Electronics Conference , Institute of Electrical and Electronics Engineers, United States, pp. 1-5 , doi: 10.1109/IFEEC47410.2019.9015094.

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Abstract

Light-emitting diodes (LED) are regarded as the ideal replacement for traditional lighting sources. With the increasing utilization, the accumulating power capacity brings the input power quality into the concern. A LED driver is required to maintain good input power quality for minimal impact on grid. Single-stage LED driver is regarded as an effective solution for low-cost and low-power application. SIN and SIN^2 current references are recently proposed for single-stage LED driver. In this paper, a novel current reference based on the electric model of LED is proposed to further improve the input power quality compared with the SIN and SIN^2 references. Simulation results verify that the proposed current reference can significantly reduce total harmonic distortion (THD) of input current.

Item Type: Conference Publication
Authors/Creators:Li, H and Hassan, W and Xiao, W
Keywords: buck LED driver, current reference, power factor correction (PFC), power quality, total harmonic distortion
Journal or Publication Title: Proceedings of the 4th International Future Energy Electronics Conference
Publisher: Institute of Electrical and Electronics Engineers
DOI / ID Number: 10.1109/IFEEC47410.2019.9015094
Copyright Information:

Copyright 2019 IEEE

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