SOLAR PHOTOVOLTAIC POWER GENERATION SYSTEM, VEHICLE, SOLAR PHOTOVOLTAIC POWER GENERATION SYSTEM CONTROL METHOD, AND COMPUTER READABLE RECORDING MEDIUM HAVING RECORDED THEREIN PROGRAM FOR CAUSING COMPUTER TO EXECUTE THAT CONTROL METHOD

摘要

A charge control ECU (40) halts a charge converter (20) periodically or at a predetermined timing, and uses a voltage sensor (50) to determine an open-circuit voltage of a solar battery (30). The charge control ECU (40) then uses a predetermined relational expression or map to decide, based on the determined open-circuit voltage, an operational voltage such that the output power of the solar battery (30) becomes its maximum one. The charge control ECU (40) sets the decided operational voltage, as a target voltage (VR), to the charge converter (20) and then causes the charge converter (20) to resume its operation.