Szukana fraza: [Abstrakt = "The article presents the results of testing of four compact LED lamps with the E27 base. Power quality parameters were subject to the testing in the circuit which powered the LED light sources. Particular attention was paid to higher harmonics of current and the total harmonic distortion. The obtained testing results for the respective LED lamps were analyzed in comparison with the requirements of the IEC 61000\-3\-2 standard. Also has been presented the way to make lower THDI ratio in the lighting system where work this same LED lamps with E27 base. Additionally has been plotted the characteristics of THDI in the relation to the active power cooperating LED lamps."]

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