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This paper presents an analysis of a predictive control and its digital implementation on a high voltage, ultrasonic resonant frequency (20 kHz) direct power converter (DPC). An analysis on the input current ripple is presented and a new approach for the input current prediction is proposed to enable the practical implementation of the control technique. Results from a simulation study and from a prototype converter are presented. Good correlation between simulation and experimental results measured on a prototype are shown, confirming the feasibility of the control approach.

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