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METHOD AND APPARATUS FOR CONTROLLING OUTPUT OF PRESSURE SETTING SIGNAL TO AUTOMATICALLY CONTROL STEAM BYPASS CONTROL SYSTEM, AND METHOD AND APPARATUS FOR AUTOMATICALLY CONTROLLING STEAM BYPASS CONTROL SYSTEM BY USING THE PRESSURE SETTING SIGNAL
METHOD AND APPARATUS FOR CONTROLLING OUTPUT OF PRESSURE SETTING SIGNAL TO AUTOMATICALLY CONTROL STEAM BYPASS CONTROL SYSTEM, AND METHOD AND APPARATUS FOR AUTOMATICALLY CONTROLLING STEAM BYPASS CONTROL SYSTEM BY USING THE PRESSURE SETTING SIGNAL
An apparatus for controlling an output of a pressure setting signal to automatically control a steam bypass control system includes a pressure setting signal output unit for outputting a pressure setting signal according to a cold leg temperature of a reactor coolant; a first logic value output unit for outputting a first logic value that is changed according to reactor power; a second logic value output unit for outputting a second logic value that is changed according to a temperature difference between an average temperature of the reactor coolant and a reference temperature; a NAND gate circuit unit for outputting an inverse logic value according to the first and second logic values; and a first output control unit for controlling whether to output the pressure setting signal according to the inverse logic value of the NAND gate circuit unit.
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