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Transmission Proprieties of Overhead and Cable LV Power Lines – The Comparison in the Frequency Spectrum from 3 kHz to 150 kHz
Abstract:
In the present paper, the comparison results of two main kinds of the power lines are presented, namely, overhead lines and cable lines. The analysis was done in the low-voltage mains network in the frequencies identified by the CENELEC organization for a narrowband transmission using low-cost PLC modems. The currently data transmission with the use of the PLC technique finds increasing use in the area of the communication for the Smart Grid, especially because of Smart Metering and Smart Lighting systems development. Independently form the implementation of the PLC transmission technique, a process of replacement of overhead lines with cable ones is carried out. Undoubtedly this process must have an influence on the transmission prosperities over the mains network. This paper is aimed to show differences in the secondary transmission parameter of the two main constructional types of low-voltage lines, which have the same electro-power parameter. The influence of these differences on the transmission quality is also discussed. The study has been limited to aluminium and copper wires and was made in the low-voltage mains network.
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251-256
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Online since:
August 2015
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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