| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance the utilization factor of a storage battery, in a system wherein a storage battery is shared. <P>SOLUTION: The storage battery sharing system 1 comprises a power conditioner 2 in each dwelling unit, a controller 3, a storage battery 4, a meter 5 in each dwelling unit, and a system power 6. The power conditioner 2 is installed in each dwelling unit, and it charges the storage battery 4 with system power 6 at nighttime, and acquires the power within the upper limit value from the storage battery 4, with the quantity of charged power as its upper limit value, and acquires the power for the amount over the upper limit value from the system power 6. The controller 3 specifies the quantity of surplus power in the dwelling unit concerned, when there is a dwelling unit which has not used up the power to the upper limit, and distributes the specified quantity of surplus power to other dwelling units, and notifies the distributed quantity of adjusted power to the power conditioners 2 concerned with other dwelling units. The power conditioner 2 adds the quantity of adjusted power to the upper limit value, when it is notified of the quantity of adjusted power from the controller 3. <P>COPYRIGHT: (C)2008,JPO&INPIT |
