| 摘要 |
A fuel cell system for optimally controlling an amount and temperature of liquid component stored in a gas-liquid separator, and its control method. The fuel cell system includes a fuel cell, a pump for supplying gas to the fuel cell, a gas-liquid separator for storing a liquid component discharged at least from a cathode side of the fuel cell, a cooler for cooling the stored liquid component, a temperature detector for measuring temperature of liquid component, a liquid level detector for measuring an amount of liquid component, and a controller for controlling a flow rate of gas from the pump and heat discharge by the cooler. The controller controls at least heat discharge by the cooler or a flow rate of gas supplied from the pump based on an output of the temperature detector and an output of the liquid level detector.
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