Szukana fraza: [Abstrakt = "In the article has been described drivers and power supply system’s applied to powered the light emitting diodes \(LED\). Described systems are integrated in the lamp. At the begin of paper is an introduction, which in has been presented the idea of using the controlled supply systems in electroluminescent lighting. Next, has been shown general structure and operating of driver systems integrated in LED lamps. Also was discussed advantages and disadvantages of selected light emitting diodes’ power supplies, constructed on integrated circuit DC\-DC converter, currently used. Application diagrams of this converters have been shown. Later in this paper has been presented the ways\: of the electroluminescent diodes’ powering\; of the power factor correction \(PFC\)\; of the luminous flux control \(dimming\). Finally the carried considerations have been summarized."]

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