A Design For Scheme Of Removing Free Power Line Traps

With the development of the optical fiber communication, the PLC communication gradually changes into the auxiliary method in the electric power communication. Most power line carrier channel have already replaced by fiber channel, a lot of free line traps have increased the electric energy loss and limited the power line transmission capability. This paper analyzes the frequency allocation pattern, the PLC network structure and various losses in the carrier channel. It presents an analytical method about the feasibility of removing the free line traps. This method includes searching for protective carrier transmitters which may interact each other and calculating the various signal losses on the complicated power line. The production of this dissertation offer scientific gist for the work of removing the free line traps on electrical networks of Shan Xi province and is instructive to reduce line loss, improve the economic effect of power system and the all-around work of power line traps remove.