 Subjects -> ELECTRONICS (Total: 207 journals)
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- Analysis and Design of a Power Consumed Limiter: Case of the Customers of
National Society of Electricity of Congo/Likasi Town
Authors:
Kankolongo C. Kambaya; Katond JP. Mbay, Diambomba H. Tungadio
Pages: 1 - 6
Abstract: This article presents the fundamental interests and a design of a power limiter that allow the limitation of active power consumed by subscribers of a company that provides electrical power. It allows the National Company of Electricity (SNEL) to fix a power in kW subscribers, after determining their consumption. If a subscriber exceeds the subscribed or contracted power, electric power is cut off for five minutes. Upon resumption, if the subscriber has not decreased its consumption in less than a second, electric power is interrupted again; interruptions will not cease until the subscriber will not reduce consumption.
PubDate: 2017-2-16
DOI: 10.12691/joe-5-1-1
Issue No: Vol. 5, No. 1 (2017)
- Luminescent Phosphor-in-Glass Composite for White Light-Emitting Diodes
Authors:
M.A. Kistankina; V.A. Aseev, J.V. Tuzova, K.D. Mynbaev, V.E. Bougrov, N.V. Nikonorov, A.E. Romanov
Pages: 7 - 9
Abstract: A luminescent composite material based on YAG:Ce3+–doped silicate glass (Phosphor-in-Glass, PiG) was fabricated and studied. For the glass matrix, the 40SiO2–25PbF2–20PbO(Pb3O4)–15AlF3 material was used. PiG samples were sintered at the temperature 550°C with concentration of YAG:Ce3+ varying from 90% down to 50%. Luminescence spectra of the PiG samples were recorded and quantum efficiency of the experimental samples was measured with the use of an integrating optical sphere. A design of light-emitting diode (LED) modules with the sintered PiG was developed and the temperature of the surface of the modules was analyzed.
PubDate: 2017-3-25
DOI: 10.12691/joe-5-1-2
Issue No: Vol. 5, No. 1 (2017)
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