Investigation of contemporary illuminants characteristics the led lamps example

• Autorzy: Goshko M.
• Języki publikacji: EN

Abstrakty

EN

The problems of investigation of contemporary illuminants characteristics are considered. Particularly the LED lamps of the following trade marks were tested: «Maxus», «Electrum», «Lemaso». Photometric and electrotechnical parameters, stated by the producers, were tested. The investigation revealed that the stated illuminants’ power did not correspond to the actual experimental data, in some cases the 8% exceeding was registered (Lemaso). On the other hand, the actual power of “Maxus” and “Electrum” LED lamps was lower than stated, -22,5 % and -2,35 % accordingly. The low power coefficient is the major drawback of LED lamps in Ukrainian market. Its actual value ranges are 0,4–0,65, whereas its minimal value for a LED lamp of 5-25 Watt power is considered to be not less than 0,8.

Słowa kluczowe

EN

illuminants; illumination; LED lamp; luminous efficacy; power coefficient

• Wydawca: Polish Academy of Sciences, Branch in Lublin
• Czasopismo: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
• Rocznik: 2015
• Tom: Vol. 4, No 4
• Strony: 65--70
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wz.

Twórcy

autor

Goshko M.

• Lviv National Agrarian University

Bibliografia

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