| 摘要 |
<p>Smart metering device (10) for connecting an end user mains network to a multiple phase power distribution network and monitoring consumption on the end user mains network, comprising: inputs (L1, L2, L3 ) for connecting the smart metering device (10) to multiple phases of the multiple phase power distribution network; single phase low voltage outputs (1, 2) for connecting the end user mains network to the smart metering device (10); a power circuit (5) between the inputs (L1, L2, L3) and the low voltage outputs (1, 2); a modem (6) for receiving control messages sent from a communication server associated with the power distribution network; a controller (3) communicatively connected to the modem (6) for controlling switching operations in the smart metering device (10) in response to the control messages; and a phase selector (4) communicatively coupled with the controller (3) and comprising input switches for switching the low voltage outputs (1, 2) between different sets of the inputs (L1, L2, L3 ) each set corresponding to one of the multiple phases of the multiple phase power distribution network.</p> |
