專利詳細說明
Patent Details

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PROBLEM TO BE SOLVED: To obtain a phase shift full bridge power supply conversion system which improves the light load efficiency by changing the output of a modulator for the load state and reducing standby consumption.

SOLUTION: The phase shift full bridge power supply conversion system includes a power supply converter, a controller, a load state detection module, a switching controller, a switch module, a command generation module, a comparator and a modulation module, wherein the load state detection module interfaces with the power supply converter and the switching controller, detects the load parameter data of the power supply converter, and outputs that data in order to switch the state by the switching controller, the controller obtains the error value of an output voltage from the comparator and a command voltage and calculates a duty cycle by the error value, and then performs drive control by generating a pulse wave control signal by duty cycle parameters and inputting the pulse wave control signal to a drive module.

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