| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To properly control the demand and supply by enabling the remote control of a consumer load from an external device. <P>SOLUTION: In a power distribution system 1 which has a distributed power supply 53 connected thereto, and controls a first switch 52 in accordance with signals transmitted from the outside via a first PLC modem 45 and a second PLC modem 51 provided on a low-voltage distribution line 46, a third PLC modem 63 capable of communicating with the second PLC modem 45 and a fourth PLC modem 612 capable of communicating with the third PLC modem 63 are connected to a power wiring 60. Between the power wiring 60 and a load 62, a second switch 611 is provided which controls the supply of power from the power wiring 60 to the load 62, and the first PLC modem 45 supplies the signals received from the outside to the fourth PLC modem 612 via the second PLC modem 51 and the third PLC modem 63, thereby controlling the second switch 611 in accordance with their signals. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
