Abstract
The article is devoted to the development and research of an LED lamp of the A65 form factor and the type of E27 base with a choice of color temperature when the lamp is alternately connected to the supply network. The description of LEDs, driver, radiator, housing, base is given. Analysis of the results of measurements of lighting characteristics showed that the luminous flux and power consumption of the LED lamp amounted to 1004.1 lm and 12.5 W at a measured color temperature of 3056 K and 1059.8 lm and 12.37 W at 4120 K. Change in the color temperature of the lamp from 3056 K to 4120 K is characterized by an increase in the spectral density in the region of short-wave radiation with an increase in the proportion of blue, blue and violet colors. The shape of the lamp luminous intensity curve is close to the diffuse distribution. The change in color temperature is carried out by turning off and then turning on the lamp in the mains for no more than 5 seconds.
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