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This work proposes the use of a modular topology for the design of a luminaire for street lighting based on LEDs. Such modular topology consists of multiple drivers, which make use of DC-DC converters for both power factor correction and power control stages. In the proposed topology each driver has its independent set of power LEDs, which makes the lamp more robust to the failure of one or more individual...
This paper presents a new control method and a detailed project methodology for the optimized connection method of two converters, aiming to reduce the redundant power processing, in order to supply high-power light-emitting diodes (LEDs) with reduced capacitance and high efficiency, directly from the ac line. This connection method allows dealing with two major issues related to the LED driver: capacitance...
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