ELECTRIC POWER GENERATION OPERATION POINT CONTROL CIRCUIT DEVICE AND MULTI-STAGE ELECTRIC POWER GENERATION OPERATION POINT CONTROL CIRCUIT DEVICE

摘要

An electric power generation operation point control circuit device includes: a first capacitor connected in parallel to a photovoltaic cell via the pair of electrode connection terminals between the pair of output terminals; a first switching element connected in parallel to the photovoltaic cell via the pair of electrode connection terminals and the inductor between the pair of output terminals and causing a conduction state or a non-conduction state between the connected terminals; and a second capacitor connected in series to the first capacitor between a first electrode connection terminal and a first output terminal and causing the conduction state or the non-conduction state between the connected terminals.

主权项

1. An electric power generation operation point control circuit device comprising:
a pair of output terminals; a pair of electrode connection terminals connected to an electrode terminal of a photovoltaic cell between the pair of output terminals; a first capacitor connected in parallel to the photovoltaic cell via the pair of electrode connection terminals between the pair of output terminals; an inductor; a first switching element connected in parallel to the photovoltaic cell via the pair of electrode connection terminals and the inductor between the pair of output terminals and causing a conduction state or a non-conduction state between the connected terminals; a second capacitor connected in series to the first capacitor between a first electrode connection terminal and a first output terminal and causing the conduction state or the non-conduction state between the connected terminals, the first electrode connection terminal being one of the pair of electrode connection terminals and the first output terminal being one of the output terminals; a second switching element connected in parallel to the second capacitor and connected in series to the first switching element; and a calculation device configured to control the first switching element and the second switching element in an alternating manner at a predetermined cycle such that the second switching element is put into the non-conduction state when the first switching element is in the conduction state and the second switching element is put into the conduction state when the first switching element is in the non-conduction state.