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http://dx.doi.org/10.12673/jant.2017.21.3.220

Dimming Control of the LED Luminaire Emergency Exit Sign Operation using a Hybrid Super Capacitor of DC-DC Convertor  

Hwang, Lark-Hoon (Department of Electrical Engineering, Semyung University)
Kim, Jin-Sun (Department of Electrical Engineering, Semyung University)
Na, Yong-Ju (Department of Electrical Engineering, Semyung University)
Publication Information
Journal of Advanced Navigation Technology / v.21, no.3, 2017 , pp. 220-229 More about this Journal
Abstract
In this paper, To take advantage a variety of DC power as the boost DC-DC converter design specifications through the inductor L and capacitor C through PSPICE to calculate the best estimate of the value. Boost DC-DC converter with a switch device using IRF840 and reverse recovery time Schottky diodes with excellent with constant current controller using D10SC6M and resistance can be configured to considering the Power LED Module was driven by the production. Converter's switching frequency is 50 kHz, the first Duty Rate was made to increase gradually depending on the value of the detection were, 10 % in the output voltage. As a result, the simulated Boost Power LED driver characteristics is in comparison with the design specifications, 5% or less as the error was approximated. Finally, when input 15 V were offered, a stable output 24 V were obtained. and Dimming Control through the adjustment of brightness and current consumption were possible.
Keywords
DC-DC converter; Dimming control; Hybrid super capacitor; Reverse recovery time; Constant current controller;
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