Power-fluctuation reducing apparatus for power generation system

摘要

According to one embodiment, there is provided a power-fluctuation reducing apparatus in a power generation system to control a converter connected to the power generation system and connected to secondary batteries. The power-fluctuation reducing apparatus includes adjusting direct current voltages output from the secondary batteries, respectively, detecting the directing current voltages output from the secondary batteries, respectively, controlling to adjust the direct current voltages output from the secondary batteries to make the direct current voltages uniform, based on the detected direct current voltages, and controlling the converter to reduce power fluctuations in the power generation system.

主权项

1. A power-fluctuation reducing apparatus in a power generation system to control a converter, the converter being connected to the power generation system, connected to a plurality of secondary batteries connected in parallel, and configured to convert a direct current power output from the plurality of secondary batteries into an alternating current power, the power-fluctuation reducing apparatus comprising:
a plurality of direct current voltage adjustment units configured to adjust direct current voltages output from the plurality of secondary batteries, respectively; a plurality of direct current voltage detectors configured to detect the direct current voltages output from the plurality of secondary batteries, respectively; a direct current voltage controller configured to control the plurality of direct current voltage adjustment units to adjust the direct current voltages output from the plurality of secondary batteries to make the direct current voltages uniform, based on the direct current voltages detected by the plurality of direct current voltage detectors; and a power conversion controller configured to control the converter to reduce power fluctuations in the power generation system.