HYDROGEN PURGE SYSTEM AND METHOD FOR CONTROLLING THE SAME

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HYDROGEN PURGE SYSTEM AND METHOD FOR CONTROLLING THE SAME

This abstract first appeared for US patent application 18432701 titled 'HYDROGEN PURGE SYSTEM AND METHOD FOR CONTROLLING THE SAME

Original Abstract Submitted

An embodiment of the present disclosure provides a hydrogen purge system and a method for controlling the same, which are capable of maintaining the hydrogen purge amount constant based on differential pressure between an anode and a cathode, regardless of the size of a hydrogen purge flow path of a purge valve, by allowing the opening degree of the purge valve to the hydrogen purge flow path to be adjusted by a current control or PWM control according to a mapping of the differential pressure between the anode and the cathode of a fuel cell stack.