Digital Data Transmission Using A Low Voltage Power Line

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Low voltage power line as thetransmission mediumInteraction between the power line componentsinfluents data transmission possibilities.•Power Power line impedance•Disturbances•Standing Standing waves•Transmissionrange
Power line impedance• Big range of the network impedance changesfor the given frequency.• Power line works as filter.• Correct data transmission when the voltageoutput level of the transmitter is not far to thevoltage input level of the receiver. It can beachieved when the filter attenuation is low.• Low attenuation when high value of the parallelfilter impedance. Power line impedance mightbe to low to get connection.levelU=20 log⎛⎜⎝U1µ V⎞⎟⎠Att= 20log⎛⎜⎜⎝U outtransU in rec⎞⎟⎟⎠
Page 1: IEA - ECBCS, Annex453 rd Expert Mee
Page 5 and 6: Standing waves and transmissionrang
Page 7 and 8: Block diagram of the transmissionde
Page 9 and 10: Data TransmissionA) without distort
Page 11 and 12: Tests results• Tests were carried

Digital Data Transmission Using A Low Voltage Power Line

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