Study of the Electrical Characteristics of Light-Emitting Diode Luminaires at Amendment of the Supply Voltage (original) (raw)

2018

Abstract

Results of the study of the change of electrical characteristics of light-emitting diode (LED) luminaires with different types of drivers and applications at amendment of the supply voltage are presented in the paper. Trends of the change in the electric current, real power, harmonic currents, total harmonic distortion and power factor for eleven LED luminaires with two type of drivers - pulse width modulation and bridge rectifier with capacitive divider, when varying the supply voltage are measured, analysed and presented in tabular, graphical and analytical form.

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