Simple Digital Filter Implementation Of The Hv Plc Channel Model
ELEKTROTEHNISKI VESTNIK-ELECTROCHEMICAL REVIEW(2011)
Abstract
The paper presents a simple implementation model of the high-voltage power line communication (HV PLC) channel using digital filters. The model utilizes three identical finite impulse response (FIR) filters. The amplitude characteristic of the FIR filters matches the HV PLC channel amplitude characteristic for a given coupling, without taking into consideration reflection. The reflection phenomenon occurring at the HV power line terminals is implemented in the model by using a parallel feedback branch and additional filter delay corresponding to the traveling time of the reflected wave. The approach presented in this paper is applied to a 400 kV power line with three phase conductors in horizontal disposition. Results are given for two optimal couplings, middle phase to ground and outer phase to middle phase coupling.
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Key words
Power grid, power-line channel, channel modelling, power-line communications
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