University of Khartoum

Design Of Power Line Communication System

Design Of Power Line Communication System

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Title: Design Of Power Line Communication System
Author: Sid Ahmed, Alaa Abdel Moneim
Abstract: Power lines and power system are designed to transmit power from the suppliers to the customers at low frequency (50 Hz or 60 Hz) and high voltage (110 V, 220 V or 240 V). Another utilization of power lines in improving the communication infrastructure is using it as communication channel to transmit data at different high frequency ranges. This project aims to design and implement Power Line Communication transceiver that consist of transmitter, receiver and coupling circuit. Power lines are the communication channels. Transmitter circuit modulate the data signal using one of the modulation techniques. This project is using Frequency Shift Keying (FSK) modulation technique. Receiver on the other side demodulate the modulated signal using Phase Locked Loop (PLL) technique in form of digital data. In addition to modulation and demodulation transceiver perform multiple filtering and amplifying operations in order to repair signals that have been attenuated and affected by the noise after the transmission over power lines. To enable the modulated signal to be injected into and extracted from the power line from the two communication nodes, coupling circuit must be implemented in both sides. It also blocks the power signal from entrance to the transceiver. By applying this project data can be transmitted through the power lines in home automation, automatic meter reading, broadband applications and many other applications.
URI: http://khartoumspace.uofk.edu/123456789/25787
Date: 2017


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