The effects of load impedance, line length, and branches in typical low-voltage channels of the BPLC systems of developing countries: transmission-line analyses
2009 (English)In: IEEE Transactions on Power Delivery, ISSN 0885-8977, E-ISSN 1937-4208, Vol. 24, no 2, 621-629 p.Article in journal (Refereed) Published
This paper presents the influence of line length, number of branches (distributed and concentrated), and terminal impedances on the performance of a low-voltage broadband power-line communication channel. For analyses, the systems chosen are typical low-voltage power-line networks found in Tanzania. The parameters varied were the network's load impedances, direct line length (from transmitter to receiver), branched line lengths, and number of branches. From the frequency responses of the transfer functions (ratio of the received and transmitted signal), it is seen that the position of notches and peaks in the amplitude responses are affected by the aforementioned network parameters and topology. As a result, the time-domain responses are attenuated and distorted. Time-domain responses of power-line channels under various conditions are also investigated for a given pulse input at the transmitter. The observations presented in this paper could be useful for suitable power-line communication system design.
Place, publisher, year, edition, pages
2009. Vol. 24, no 2, 621-629 p.
Branched network, broadband power line, impulse response, interconnections, load impedance, low-voltage channel, multipath, transfer function
Engineering and Technology
IdentifiersURN: urn:nbn:se:uu:diva-113131DOI: 10.1109/TPWRD.2008.923395ISI: 000265093000016ISBN: 0885-8977OAI: oai:DiVA.org:uu-113131DiVA: diva2:289927
10557484 transmission-line analyses low-voltage broadband power-line communication channel low-voltage power-line networks Tanzania network load impedance frequency response transfer function time-domain response transmitter power-line communication system design load impedance effect line length effect developing countries2010-01-252010-01-252016-04-14Bibliographically approved