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Electrolytic capacitor-less high-brightness LED driving AC/DC converter for LED performance degradation reduction

Electrolytic capacitor-less high-brightness LED driving AC/DC converter for LED performance degradation reduction

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An electrolytic capacitor-less AC/DC converter for high-brightness LED driving is proposed. It is possible for the proposed scheme to be implemented in more cost-effective and small-sized system compared with the conventional electrolytic capacitor-less converters with additional devices. The reliability, efficacy, and lifetime of the LED driven by the suggested converter can be improved by about 6% compared to those of the conventional converter using harmonic injection method. Experiments are carried out to show the validity of the proposed converter.

References

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    2. 2)
      • 2. Reddy, U.R., Narasimharaju, B.L.: ‘Single-stage electrolytic capacitor less non-inverting buck-boost PFC based AC–DC ripple free LED driver’, Power Electron., 2017, 10, (1), pp. 3846, doi: 10.1049/iet-pel.2015.0945.
    3. 3)
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