Szukana fraza: [Abstrakt = "This article presents the applicable provisions of regulations and standards in the field of electric energy quality, with particular emphasis on the content of higher voltage and current harmonics in high, medium and low voltage power networks as well as PF power factor. The results of measurements of parameters determining the quality of electricity consumed by modern LED light sources are presented. In the second part of this article current waveforms of selected LED luminaires used for home use when switching them to the power grid are presented."]

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