| 摘要 |
PROBLEM TO BE SOLVED: To inhibit a decline in maximum power point tracking efficiency under given conditions, and increase output power of a solar cell.SOLUTION: A maximum power point tracking device comprises: an MPPT control portion for tracking the maximum power point with respect to voltage, current or power, and controlling the voltage, current or power corresponding to the maximum power point; and an adjustment portion for adjusting a load value of the MPPT control portion, when tracking the maximum power point, in accordance with an action of the solar cell module or an environment-related measurement value.SELECTED DRAWING: Figure 9 |
