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More efficient electrical equipment are subjects to constant concern on the part of manufacturers and users. In this context, in the area of lighting, LED lamps (lighting emitting diode) are the main devices used for electrical efficiency ones. The LEDs are devices that operate on direct current, therefore, make use of triggers circuits called drivers. Despite its importance, little is known about the establishment and operation of these components. In this perspective, this article aims to present the most common topologies drivers LED bulbs used and their performance with respect to power factor, harmonic distortion and life.

Drivers de Lâmpadas de LED: Topologias, Aplicações e Desempenho.