PURPOSE: A load sensitive voltage source power device and a multi power parallel control system using the same are provided to minimize a power loss by uniformly forming a load distribution ratio between load sensitive voltage source power devices within a rate current range. CONSTITUTION: An output voltage control unit(41) controls the level of an input voltage applied to an input terminal and outputs the controlled voltage to an output terminal. A voltage sensor(42) and a voltage measuring unit(44) measure the output voltage of the output terminal. A current sensor(43) and a current measuring unit(45) measure the output current of the output terminal. A control voltage determining unit(46) calculates the output control voltage for controlling the output voltage of the output voltage control unit. A voltage control unit(47) controls the output voltage control unit.
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