Changes of lighting characteristics of semiconductor light sources of different constructional performance during operation

Kovalenko, Olga Yu.; Zhuravleva, J.; Mikaeva, S. A.; Nemov, V. V.

doi:10.21443/1560-9278-2019-22-4-471-476

VMGTU

2019

DOI: 10.21443/1560-9278-2019-22-4-471-476

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Changes of lighting characteristics of semiconductor light sources of different constructional performance during operation

Olga Yu. Kovalenko¹,

J. Zhuravleva²,

S. A. Mikaeva³

et al.

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Cited by 4 publications

References 3 publications

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Development of a Model Lamp Based on Led Matrix

Kovalenko¹,

Martynova²,

Mikaeva³

et al. 2021

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The work is devoted to the development of a lamp based on an LED matrix with varying chromaticity and illumination level. The following main components are used in the work: an addressable LED matrix WS2812b 1616 LED, Arduino Nano, a TTP223 touch button, a 5V 2A power supply. The basis for the lamp is a plumbing pipe with a diameter of 50 mm and a part of a pipe with a diameter of 40 mm; for the manufacture of a prototype, a matte shade from a conventional lamp was used. The working temperature of the matrix is from –25° to + 80° Celsius. Working at temperatures below – 25°, the tape may work poorly or not execute controller commands at all. For lighting effects and, in general, for the operation of the lamp, the code was written on the Arduino, and flashed into the Arduino Nano. The proposed lamp design can be used as decorative lighting for residential buildings.

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Development of a Model Lamp Based on Led Matrix

Kovalenko¹,

Martynova²,

Mikaeva³

et al. 2021

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Investigation of the Characteristics of the Led Luminaire With Variable Light Distribution for Lighting of Trading Areas

Kovalenko¹,

Mikaeva²,

Zhuravleva³

2022

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In this work, the concept of creating a lamp with a variable light distribution in a single housing was chosen, the characteristics of the uniformity of illumination, the values of the average brightness over the studied surfaces of the developed lamp layout with LED light sources were analyzed. As LED light sources, lamps of the MR16 type are used with an emission angle of 36 degrees, a power of 4.5 W, a luminous flux of 400 lm, a color temperature of 3000 K at a temperature of 36 oC, with an angle of 80 degrees, a power of 5 W, a luminous flux of 305…315 lm, color temperature 4000 K, with an emission angle of 100 degrees, a power of 5 W, a luminous flux of 440 lm. An analysis of the measurement results allows us to conclude that the color temperature of the lamps is close to the parameters declared by the manufacturers. 3 lighting projects were created. For each project, 4 lighting options were made with different combinations of lamps.Suspensions were used to save energy and increase light output. The result of this study was data on the use of the developed lamp. It was found that the lamp has a great potential for use, due to the fact that it has the possibility of using various LED lamps and due to the mobility of its individual modules. When combining lamps with radiation angles (from right to left): 36, 36, 100, 36, 36 and using a 0.3 meter long suspension, the most optimal lighting option is achieved.

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Energy Saving in Lighting Technologies of Agricultural Production

Ovchukova

Kondratieva

Kovalenko

2021

L&E

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With the continue increase prices of the electricity while the financing of agriculture is remaining the same, agricultural production is increasingly difficult to satisfy the needs of the population with food production. Under these conditions the role of energy-saving technologies in agricultural production is relevant. In particular, very important is the use of optical radiation for irradiation of dairy herds, poultry and plants. In this article, methods of energy saving are presented, identified on the basis of long-term theoretical and practical research of the authors and their graduate students. The reliability of this research is confirmed by defended theses, the theoretical and practical achievements, the protocols of experiments, acts of economic and factory tests. The authors hope that this information will provide practical assistance to numerous small farms in our country while choosing energy-saving lighting technologies.

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Changes of lighting characteristics of semiconductor light sources of different constructional performance during operation

Cited by 4 publications

References 3 publications

Development of a Model Lamp Based on Led Matrix

Development of a Model Lamp Based on Led Matrix

Investigation of the Characteristics of the Led Luminaire With Variable Light Distribution for Lighting of Trading Areas

Energy Saving in Lighting Technologies of Agricultural Production

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