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The Influence of LED Lighting Sources on the Nature of Power Factor

Abstrakt

This article presents measurements of electric power absorbed by a newly built facility for office and scientific research activities. These measurements highlighted the need for compensation of capacitive reactive power—not predicted by the designer—due to the vast use of LED lighting in the facility. The article also describes a reactive power compensation system, designed on the basis of the above-mentioned measurements, and the introduced control and measurement system that enables on-site monitoring and online analysis of consumed energy and power. The research was carried out using popular LED lighting sources available on the local market (Poland). Basic electrical parameters of the locally available LEDs were measured as a function of the changes in harmonic levels occurring in the supply voltage. The test illustrated that samples were characterized by a very low power factor, which decreased as the level of harmonic disturbances increased. On the basis of the measurements, the authors suggest that obligatory requirements should be introduced in regard to the minimum power factor at the level of 0.9 for popular LED lighting sources (below 25 W)

Mirosław Włas, Stanisław Galla. (2018). The Influence of LED Lighting Sources on the Nature of Power Factor, 11(16), 1-12.

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
ENERGIES nr 11, strony 1 - 12,
ISSN: 1996-1073
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Włas M., Galla S.: The Influence of LED Lighting Sources on the Nature of Power Factor// ENERGIES. -Vol. 11, nr. 16 (2018), s.1-12

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