VOLTAGE CONTROL INVERTER, POWER SOURCE APPARATUS, AND CONTROL METHOD

According to one embodiment, a voltage control inverter interconnectable with an electric power system, includes: a voltage detecting circuit configured to detect a first voltage that is a voltage of the electric power system; and a voltage output circuit configured to output a second voltage to the electric power system at a timing depending on a value of the first voltage, the second voltage having a value depending on the value of the first voltage.