scholarly journals Investigations of Electrical and Optical Parameters of Some LED Luminaires—A Study Case

Energies ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1612
Author(s):  
Przemysław Ptak ◽  
Krzysztof Górecki ◽  
Jakub Heleniak ◽  
Mariusz Orlikowski

In the paper, the electrical and optical parameters of wirelessly controlled LED lamps of the Hue type are analysed. Features of this class of wirelessly controlled LED lamps given by the producer are described and a measuring setup for the electrical and optical parameters of the considered LED lamps is proposed. The results of measurements of the two investigated lamps with variable hue, based on RGB chips or emitted white light of different CCTs (correlated colour temperatures), are shown and discussed. Attention was given to the parameters characterising the influence of the tested LED lamp on such electric power quality indicators as PF (power factor) and THD (total harmonic distortion). Therefore, the influence of voltage supply and the selected value of power density of the emitted light on the THD and PF is analysed and discussed.

2015 ◽  
Vol 135 (5) ◽  
pp. 272-275
Author(s):  
Shoji Nishimura ◽  
Shigeru Inno ◽  
Tatsuki Okamoto

2020 ◽  
Vol 11 (7-2020) ◽  
pp. 58-66
Author(s):  
Vera V. Yaroshevich ◽  
◽  
Aleksei S. Karpov ◽  
Galina P. Fastiy ◽  
Sergei V. Smotrov ◽  
...  

The systematization and analysis of the results of monitoring registrations of electric power quality indicators (PQS) on substation buses feeding large industrial enterprises of the Murmansk region was carried out. The example of existing substations shows the problems of high-energy facilities that have consumers with non-linear parameters. The problems of electromagnetic compatibility of industrial consumers with the mains have been identified. The need for research to identify the causes of non-compliance is proved. A number of the most common and effective measures to limit the distortion of the SCE are proposed.


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