Thesis /

ROMDOC-THESIS-2010-094

Comunicaţii integrate voce-date în mediul energetic puternic perturbat

Poida, Ana (UPB)
2006-01-01

Abstract: The thesis proposed to deal with the medium voltage overhead power lines behaviour, as communication medium, along an extended frequency range (10 kHz ÷ 100 MHz), taking into account that the power lines were designed on different criteria to communications. After a brief description of the content and architecture of an electrical power system and the main components of the electrical power networks, the work, underlines the specific power sector communications requirements, the communications techniques used by the large electricity companies, over the power lines, and there are specified several international standards, USA and Japan national standards provisions, related to the frequency ranges allowed to PLC systems over MV and/or LV electrical networks. The work approaches two communication channel models on medium voltage power lines (Carson method and D’Amore & Sarto method). The models are based on the characteristic impedance and attenuation and phase constants computing of the selected physical medium. The “ParaComPLC”program, conceived by the author, allows the analysis of these two methods, on the above mentioned parameters basis, along the specified frequency range. The analysis of the obtained results has lead to useful conclusions related to OHL transmission parameters variation versus frequency, geometrical characteristics of OHL and electromagnetical characteristics of the ground, as well as to appreciations related to the frequency ranges, which differentiate these two methods.

Keyword(s): Telecomunicaţii -- Teză de doctorat ; Telefonie ; Transmisii de date -- Teză de doctorat
Note: Croitoru, Victor

OPAC: See record in BC-UPB Web OPAC
Full Text: see files

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