| 摘要 |
<p>Distributor power line communication system comprising a communication server (1) sending and receiving messages over a telecommunication network (2), a power distribution substation (3) to which a power distribution network (4) towards end users (5) is connected, at least one gateway (6; 18) transferring messages from the telecommunication network (2) onto the power distribution network (4) in a predetermined frequency band, a plurality of smart metering devices (7; 17; 27) at end user mains networks for measuring power consumption and comprising a power line communication modem (8; 18) sending and receiving messages within the predetermined frequency band over the power distribution network (4), power line communication filters (10, 11) on power lines connecting the power distribution network and the end user mains networks and on power lines connecting the power distribution network to the power distribution substation, each filter blocking frequencies within the predetermined frequency band.</p> |
