In this paper, an effective Hysteresis Current Control implemented in a Totem Pole Power Factor Corrector (PFC) is presented. The Zero Voltage Switching (ZVS) technique has been adopted to boost the converter efficiency, hence a comprehensive mathematical model of the resonance transient has been developed to properly set the ZVS transitions. The proposed control scheme and transient model have been simulated in MATLAB/Simulink environment and implemented on STMicroelectronics microcontroller STM32G474. Finally, experimental results of a prototype are presented validating the concept, the adopted model and the implementation.
Hysteresis Current Control for a High Efficiency Totem Pole PFC in Zero Voltage Switching
Cacciato M.
2021-01-01
Abstract
In this paper, an effective Hysteresis Current Control implemented in a Totem Pole Power Factor Corrector (PFC) is presented. The Zero Voltage Switching (ZVS) technique has been adopted to boost the converter efficiency, hence a comprehensive mathematical model of the resonance transient has been developed to properly set the ZVS transitions. The proposed control scheme and transient model have been simulated in MATLAB/Simulink environment and implemented on STMicroelectronics microcontroller STM32G474. Finally, experimental results of a prototype are presented validating the concept, the adopted model and the implementation.File in questo prodotto:
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