Zobrazeno 1 - 10
of 991
pro vyhledávání: '"Electronic ballast"'
Publikováno v:
Российский технологический журнал, Vol 10, Iss 3, Pp 103-110 (2022)
Objectives. When used in lighting installations with tubular low-pressure ultraviolet (UV) lamps, electronic ballasts should meet the following basic requirements: low cost, reliable ignition at low temperatures, as well as combining high energy effi
Externí odkaz:
https://doaj.org/article/f9ce90acfdea4eeaafd7f2ed50d5e2b4
Publikováno v:
IEEE Access, Vol 6, Pp 11931-11939 (2018)
To enhance the UVC irradiation and prolong the life span of UV-lamps, parameter optimization is conducted for electronic ballasts. In this paper, the double capacitor topology is adopted and the effects of different ratios of shunt capacitors are inv
Externí odkaz:
https://doaj.org/article/8d4cee2554d84330b3d608f34a9e5676
Autor:
Lei, Fang
Metal halide lamp is one kind of the most compact high-performance light sources. Because of their good color rendering index and high luminous efficacy, these lamps are often preferred in locations where color and efficacy are important, such as sup
Externí odkaz:
http://oatao.univ-toulouse.fr/20219/7/LEI_Fang_20219.pdf
Autor:
Roman Sikora, Przemysław Markiewicz
Publikováno v:
Energies, Vol 13, Iss 11, p 2909 (2020)
Road lighting is an important element of road infrastructure influencing on the road safety. It helps road users to identify potential hazards on the road and reduces the risk of a road accident. Improving the energy efficacy of road lighting install
Externí odkaz:
https://doaj.org/article/620d816ba1e34b8cade0fa2d40722026
Autor:
Osama M. Arafa, Ahmed A. Mansour
Publikováno v:
Journal of Electrical Systems and Information Technology, Vol 2, Iss 1, Pp 120-132 (2015)
High pressure sodium lamp is widely used for street and public lighting in many countries including Egypt. It is traditionally connected to the AC mains through electromagnetic ballast. Electronic ballast for high pressure sodium lamp has reached a m
Externí odkaz:
https://doaj.org/article/aa4449a5fb7e4f4c905d41503bc8f248
Autor:
Ahmed A. Mansour, Osama A. Arafa
Publikováno v:
Journal of Electrical Systems and Information Technology, Vol 1, Iss 3, Pp 234-254 (2014)
Bulky electromagnetic ballasts combined with igniters have been traditionally used to feed high pressure sodium lamps (HPS). Recently electronic ballasts were introduced to perform the same tasks more efficiently and even with additional features lik
Externí odkaz:
https://doaj.org/article/75bed08bf4054944a4a7ec32d3844dc0
This paper presents an electronic ballast for discharge lamps. The ballast consists of two stages: i) a boost-buck chopper that performs the power factor correction and provides an approximately variable DC link voltage to drive the second stage and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dabc720f15ca6453331a826c410d06b8
https://zenodo.org/record/6617412
https://zenodo.org/record/6617412
Autor:
Selim Börekci, Selim Öncü
Publikováno v:
Pamukkale University Journal of Engineering Sciences, Vol 14, Iss 3, Pp 261-265 (2008)
Elektronik balastlar manyetik balastlara kıyasla, daha yüksek etkinlik faktörüne, daha iyi ısık kalitesine, daha uzun lamba ömrüne ve daha küçük hacme sahiptir. Bu çalısmada, lamba gücü, balast empedansını ve rezonans frekansını de
Externí odkaz:
https://doaj.org/article/6f10b2349a1c47ae9dd09b834793410c
Publikováno v:
Nigerian Journal of Technology; Vol. 40 No. 3 (2021); 501-517
The introduction of electronic ballast in lighting systems design has dramatically revolutionized the lighting space. This is orchestrated by the entrance of the Compact Fluorescent Lamps (CFLs) and Light Emitting Diodes (LEDs) into the lighting mark
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cef285757dfdf504ffd9494953899e4d
https://www.ajol.info/index.php/njt/article/view/216451
https://www.ajol.info/index.php/njt/article/view/216451
Autor:
Maikel F. Menke, Marcelo Freitas da Silva, Álysson R. Seidel, Juliano P. Lopes, Marina S. Perdigão, José M. Alonso
Publikováno v:
Eletrônica de Potência, Vol 20, Iss 1 (2015)
This paper presents a predictive method of the self-oscillating electronic ballast (SOEB) behavior under dimming conditions. This work is focused on the bus voltage variation dimming method, where a closed analysis is not possible to carry out withou
Externí odkaz:
https://doaj.org/article/4a2c4a147e314cd6bbf521a180f18a87