An energy channelling LED driver technology to achieve flicker-free operation with true single stage power factor correction

Peng Fang; Zhi Yuan Hu; Yan Fei Liu

doi:10.1109/APEC.2015.7104834

An energy channelling LED driver technology to achieve flicker-free operation with true single stage power factor correction

Peng Fang, Zhi Yuan Hu, Yan Fei Liu

Research output: Contribution to conference › Paper › peer-review

2 Scopus citations

Abstract

A single-stage LED driver usually produces a significant twice line frequency ripple current when a high power factor is achieved. The ripple current further produces a flicker through LEDs. In this paper, an energy channeling single-stage LED driver is proposed to achieve flicker-free LED driving while maintaining high power factor correction. It also achieves true single stage power conversion and low component cost. A 8.5W, 50V/0.17A Buck-Boost experimental prototype has been built and tested to verify the proposed method.

Original language	English (US)
Pages	3353-3358
Number of pages	6
DOIs	https://doi.org/10.1109/APEC.2015.7104834
State	Published - May 8 2015
Externally published	Yes
Event	30th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2015 - Charlotte, United States Duration: Mar 15 2015 → Mar 19 2015

Other

Other	30th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2015
Country/Territory	United States
City	Charlotte
Period	3/15/15 → 3/19/15

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10.1109/APEC.2015.7104834

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An energy channelling LED driver technology to achieve flicker-free operation with true single stage power factor correction. / Fang, Peng; Hu, Zhi Yuan; Liu, Yan Fei.
2015. 3353-3358 Paper presented at 30th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2015, Charlotte, United States.

Research output: Contribution to conference › Paper › peer-review

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abstract = "A single-stage LED driver usually produces a significant twice line frequency ripple current when a high power factor is achieved. The ripple current further produces a flicker through LEDs. In this paper, an energy channeling single-stage LED driver is proposed to achieve flicker-free LED driving while maintaining high power factor correction. It also achieves true single stage power conversion and low component cost. A 8.5W, 50V/0.17A Buck-Boost experimental prototype has been built and tested to verify the proposed method.",

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AU - Liu, Yan Fei

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N2 - A single-stage LED driver usually produces a significant twice line frequency ripple current when a high power factor is achieved. The ripple current further produces a flicker through LEDs. In this paper, an energy channeling single-stage LED driver is proposed to achieve flicker-free LED driving while maintaining high power factor correction. It also achieves true single stage power conversion and low component cost. A 8.5W, 50V/0.17A Buck-Boost experimental prototype has been built and tested to verify the proposed method.

AB - A single-stage LED driver usually produces a significant twice line frequency ripple current when a high power factor is achieved. The ripple current further produces a flicker through LEDs. In this paper, an energy channeling single-stage LED driver is proposed to achieve flicker-free LED driving while maintaining high power factor correction. It also achieves true single stage power conversion and low component cost. A 8.5W, 50V/0.17A Buck-Boost experimental prototype has been built and tested to verify the proposed method.

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ER -

An energy channelling LED driver technology to achieve flicker-free operation with true single stage power factor correction

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