APPARATUS AND METHOD FOR CONTROLLING COOLING OF FUEL CELL-BASED GENERATOR SYSTEM

An apparatus for controlling cooling of a fuel cell-based generator system is provided. The apparatus includes a first valve disposed between an individual cooling-water line of a first fuel cell system and a common cooling-water line and a first valve driver that opens and closes the first valve. A second valve is disposed between an individual cooling-water line of a second fuel cell system and the common cooling-water line and a second valve driver opens and closes the second valve. A controller determines whether a cooling-water temperature of the first fuel cell system exceeds a reference value, and opens the first valve and the second valve so that cooling-water for the second fuel cell system flows into the first fuel cell system, when the cooling-water temperature of the first fuel cell system exceeds the reference value.