Digital Data Transmission Using A Low Voltage Power Line

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<strong>Data</strong> <strong>Transmission</strong> (cont.)Another possible distortions:• to high attenuation during data packagetransmitting,• distortion of the ACK package,• to high attenuation during ACK packagetransmitting,• distortion of the data package and to highattenuation during ACK package transmitting,• distortion of the data and ACK packages.
Tests results• Tests were carried out in the one-family house.• Sockets were supplied from single-phase line.• First results– negative because to high signalattenuation.• Identification of the low impedance loads:- RTV equipment: TV sets (input filter with teen-nFnFcondenser), satellite tuner (electronic(PSU),- compact fluorescent lamps with EMC filter.• Any of the domestic appliances (fridge, mixer, mincer,coffee-mill) had negative influence into correct datatransmission.• After separation of the low impedance loads with thereactor, results were positive and all data weretransmitted.
Page 1 and 2: IEA - ECBCS, Annex453 rd Expert Mee
Page 3 and 4: Power line impedance• Big range o
Page 5 and 6: Standing waves and transmissionrang
Page 7 and 8: Block diagram of the transmissionde
Page 9: Data TransmissionA) without distort

Digital Data Transmission Using A Low Voltage Power Line

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