Study on Key Technology of Power Line Carrier Communication in Automation of 10 kV Distributed Network

Aiming at problems that for complexity of 10 kV distributed network,it is easy to be restricted by characteristics of frequency,impedance and noise and power line carrier communication technology is applied rarely in 10 kV power lines,this paper states existing technological difficulties of application of present PLC technology in 10 kV distributed network.It concludes feature of the overall channel and discusses coupling technology,wave impedance calculation,orthogonal frequency utilization technology and RS coding technology.