| 摘要 |
PROBLEM TO BE SOLVED: To provide an energy management system capable of supplying power to a predetermined room, even when a failure occurs in a storage battery or the like.SOLUTION: An energy management system comprises: a photovoltaic power generation device 11; a storage battery 41; an indoor distribution panel 20; a power conditioner 12 for converting DC power output from the photovoltaic power generation device 11 to AC power; and a power-storage power conditioner 42 for converting AC power to DC power or DC power to AC power. The energy management system also comprises: a feeder line 15 whose part 15A is led indoors; and current sensors 70 and 71 which are installed on the led-in part 15A of the feeder line 15 and detect current flowing in the feeder line 15. |
