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    Wyświetlanie 1-3 z 3
    Tytuł:
    Measurements and analysis selected power quality parameters in systems with LED light sources
    Autorzy:
    Putz, Ł.
    Kurzawa, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/97575.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    electroluminescent diode
    experimental setup
    LED source
    higher harmonics
    lighting installation
    power quality
    THD ratio
    Opis:
    The article describes the measurements of power quality parameters of load which is mapping the lighting installation of LED sources. Study were performed on a specially constructed the experimental setup which allows for the measurement of electrical parameters and distortion from electroluminescent lighting. In the paper quoted the legal basis in the field of power quality, referring to the Standards: PN EN 50160 “Voltage characteristics of electricity supplied by public electricity networks” and PN–EN 61000 “Electromagnetic compatibility (EMC)”. Also has been presented a comparative study of LED light sources from various manufacturers, working individually and in a group. Shown the waveforms of current intensity and the bar graphs of higher harmonics of current. Additionally has been plotted the characteristics of total harmonic distortion ratio of current intensity THDi in the relation to the active power cooperating LED lamps. Finally the results of research has been analyzed and summarized.
    Źródło:
    Computer Applications in Electrical Engineering; 2016, 14; 551-561
    1508-4248
    Pojawia się w:
    Computer Applications in Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental setup to research power quality parameters in systems with LED light sources
    Autorzy:
    Putz, Ł.
    Kurzawa, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/97734.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    electroluminescent diode
    experimental setup
    LED source
    higher harmonics
    lighting installation
    power quality
    THD ratio
    Opis:
    The article describes the design, construction and research capabilities the experimental setup for measure the parameters of power quality of load which is mapping the lighting installation of LED sources. The standing has been build in order to study the disruption comes from the electroluminescent lighting mostly. The construction of standing also allows conducting the experimental research with the equipment which could improve the quality of electricity. In the paper quoted the concept of the power quality according to suggestion of Advisory Committee on Electromagnetic Compatibility (ACEC). Also has been presented the causes and consequences of exceeding the permissible values of power quality parameters. In the publication has been described the procedure for preparing and setting up the experimental setup for measuring the higher harmonics of current flowing through the tested LED lighting.
    Źródło:
    Computer Applications in Electrical Engineering; 2016, 14; 541-550
    1508-4248
    Pojawia się w:
    Computer Applications in Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization analyze of the LED lighting installation for a quality of electrical energy
    Autorzy:
    Putz, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/376357.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    electroluminescent lighting
    higher harmonics of voltage and current
    LED
    lighting installation
    online UPS power supply
    quality of electrical energy
    Opis:
    The author of this paper plans to make a measurement of quality parameters for existing and used lighting installation, made from electroluminescent diodes (LED). The measurements will be made in a few different working states of installation. Based on research will be conducted the analyze and this allow define the worst working state. In the further will be selected elements which generate the most of distortion. The research will aim to create optimal solution, that is maximal reduction of higher harmonics voltage and current level, while minimal costs of influence in lighting installation.
    Źródło:
    Poznan University of Technology Academic Journals. Electrical Engineering; 2014, 79; 261-268
    1897-0737
    Pojawia się w:
    Poznan University of Technology Academic Journals. Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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