| 摘要 |
PROBLEM TO BE SOLVED: To effectively utilize generated power in cooperation of private generation power by photovoltaic generation etc. with a storage battery.SOLUTION: A storage battery operation method in a power control device, which is connected to a commercial system power network, a private power generation device, a storage battery and a load, includes: evaluating a prediction error of the generated power of the private power generation device in the past, which is stored in a storage unit, and a prediction error of power consumption in the load; correcting the predicted value of generated power in the next day and the predicted value of the power consumption, respectively; and calculating a charge power amount of the storage battery to be charged at night, on the basis of difference power between the predicted value of the corrected generated power and the predicted value of the power consumption. |
