| 摘要 |
A system including: first and second apparatuses that supply electric power to each other; the first and second apparatuses including first and second converters configured to convert externally supplied power to first and second direct current powers; a predicted value calculator configured to calculate first, second, and third predicted values of needed electric power in first, second, and third power source conditions based on a first conversion efficiency of the first converter and a second conversion efficiency of the second converter; and a controller configured to switch an electric power condition corresponding to a smallest predicted value of the first, second, and third predicted values. |
