Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Iryna Belyakova"'
Autor:
Iryna Belyakova, Vadim Piscio, Pavlo Maruschak, Oleksandr Shovkun, Volodymyr Medvid, Mariya Markovych
Publikováno v:
Applied System Innovation, Vol 6, Iss 3, p 57 (2023)
Ambient temperature significantly affects the electrical and light parameters of LEDs, such as forward and reverse current, voltage drop LEDs and luminous flux. With an increase in temperature, the decrease in the intensity of LED radiation is explai
Externí odkaz:
https://doaj.org/article/8082f97cf0204b408ecedc8317977693
Publikováno v:
Scientific journal of the Ternopil national technical university. 108:102-116
The model of a piezoelectric transformer (PT), which is more convenient for modeling in comparison with those, which are widely used in practice, is presented in this paper. Moreover, the proposed model can be directly applied in developing radio-ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2a8f3a3b91ef4e8692a37cbf9597f5f
https://doi.org/10.33108/visnyk_tntu2022.04.102
https://doi.org/10.33108/visnyk_tntu2022.04.102
Publikováno v:
Scientific journal of the Ternopil national technical university. 102:96-109
The mathematical model of a piezoelectric transformer of the transverse-transverse type and describes the method of its construction has been presented. Although mathematical modeling programs for piezoelectric devices can achieve any predetermined m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::924f6538b14ae3c12d75ff05858e02ab
https://doi.org/10.33108/visnyk_tntu2021.02.096
https://doi.org/10.33108/visnyk_tntu2021.02.096
Autor:
Mariya Markovych, Volodymyr Savkiv, Iryna Belyakova, Vadim Piscio, Volodymyr Medvid, Roman Mykhailyshyn
Publikováno v:
2021 IEEE 3rd Ukraine Conference on Electrical and Computer Engineering (UKRCON).
In the article the design of an ignition device for high-pressure gas discharge lamps based on a voltage piezoelectric transformer has been proposed. Its calculation and experimental characteristics, voltage and current oscillograms under load with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94d27ce938d9bf61adff8a5d02815db3
https://doi.org/10.1109/ukrcon53503.2021.9575765
https://doi.org/10.1109/ukrcon53503.2021.9575765
Autor:
Vadim Piscio, Volodymyr Medvid, Mariya Markovych, Volodymyr Savkiv, Roman Mykhailyshyn, Iryna Belyakova
Publikováno v:
2021 IEEE 3rd Ukraine Conference on Electrical and Computer Engineering (UKRCON).
In the article, the influence of ambient temperature on such parameters of LEDs as forward and reverse current, forward voltage, luminous flux, service life was analyzed.-The model of the change in the parameters of LEDs from the ambient temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1deebb39cf83eda1246453dba8098267
https://doi.org/10.1109/ukrcon53503.2021.9575876
https://doi.org/10.1109/ukrcon53503.2021.9575876
Autor:
Volodymyr Medvid, Iryna Belyakova, Vadim Piscio, Mariya Markovych, Oleh Shkodzinsky, Roman Mykhailyshyn
Publikováno v:
2019 IEEE 20th International Conference on Computational Problems of Electrical Engineering (CPEE).
The article considers the usage light-emitting-diode lamps in decorative lighting. The possibility of adjusting the brightness of the illumination of LED lamps, which do not have an integrated controller of regulating process of luminous flux, is con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::710914d021d506bb8dde667d9a58e6e1
https://doi.org/10.1109/cpee47179.2019.8949154
https://doi.org/10.1109/cpee47179.2019.8949154