A fully digitally controlled power supply unit for wireless remote controlled LED lighting systems

A fully digitally controlled power supply unit for wireless remote controlled LED lighting systems

This paper presents a fully digital controlled power supply unit for the wireless controlled dimmable LED lighting system. The proposed power supply designed using fly-back converter, which is directly controlled by a microprocessor. Although the proposed circuit does not sense the AC input current...

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Hauptverfasser: Kyumin Cho, Wonseok Oh, Chigak In, Jaeeul Yeon
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Sprache:eng
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Automation
Power electronics
Radio frequency
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creator Kyumin Cho
Wonseok Oh
Chigak In
Jaeeul Yeon
description This paper presents a fully digital controlled power supply unit for the wireless controlled dimmable LED lighting system. The proposed power supply designed using fly-back converter, which is directly controlled by a microprocessor. Although the proposed circuit does not sense the AC input current and has not AC input voltage feed-forward, it can achieve high power factor. The proposed power supply directly regulates the output power for LED loads using the PWM and PFM control of the fly-back converter without additional regulator. For a wireless remote control function, the Zigbee modem is equipped in the proposed power supply. A prototype set-up has been built and tested. Through the experiment with a prototype set-up, the usefulness of the proposed power supply is verified.
doi_str_mv 10.1109/SPEEDAM.2012.6264558
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subjects Automation
Power electronics
Radio frequency
title A fully digitally controlled power supply unit for wireless remote controlled LED lighting systems
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