SYSTEM FOR COMMUNICATION VIA DISTRIBUTION TRANSMISSION LINES Russian patent published in 2012 - IPC H04B3/54 

FIELD: electricity.

SUBSTANCE: system for communication via distribution transmission lines including: communication server (1) (sending and receiving messages via the communication network (2)), a distribution power substation (3)(whereto the distribution power grid (4) leading to the end users (5) is connected), at least one gateway (6; 18) (transmitting messages from the communication network (2) into the distribution power grid (4) transmission lines within the preset frequency band), multiple smart measurement devices (7; 17; 27) within the end users' supply mains intended for energy consumption measurement and containing a modem (8; 18) for communication via the transmission lines, sending and receiving messages within the preset frequency band via the distribution power grid (4), filters (10, 11) for communication via the transmission lines, mounted on the transmission lines connecting the distribution power grid and the end users' supply mains and on the transmission lines connecting the distribution power grid to the distribution power substation, each filter locking frequencies within the preset frequency band.

EFFECT: improving reliability of the system.

9 cl, 7 dwg