| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technique for suppressing a decrease in an electricity selling price to an electric power company even if a storage battery is provided. <P>SOLUTION: A reverse tide sensor 18 is provided between one end of a distribution board 16 capable of connecting a charge/discharge execution part 24 and a commercial power source 20. A first inverter 14 is provided between the other end of the distribution board 16 and the commercial power source 20. A charger 28 has one end connected to a path branched off from between the first inverter 14 and the other end of the distribution board 16 and the other end connected to a storage battery 22. A second inverter 38 has one end connected to the storage battery 22. A selector 40 connects a first terminal 48 to the path branched off from between the first inverter 14 and the other end of the distribution board 16 in parallel with the charger 28, connects a second terminal 50 to the other end of the second inverter 38, and a third terminal 52 to a class 2 load 36. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
