PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING SINGLE CONVERTER AND SINGLE INVERTER, AND CONTROL METHOD OF THE SAME

摘要

PURPOSE: A photovoltaic and fuel hybrid generation system and a controlling method thereof are provided to control power suitable for user environment by performing an optimum control mode according to a solar power generation state. CONSTITUTION: A DC/DC converter(200) converts an FC output voltage from a fuel cell to a preset voltage. A DC link module(300) connects the output terminal of a solar cell to the output terminal of the DC/DC converter. A DC link unit generates a DC voltage by linking the FC output voltage from the DC/DC converter with a PV output voltage from the solar cell. A DC/AC inverter(400) converters the DC voltage from the DC link unit to the preset AC voltage.