A pulse frequency modulation control method for single-switch three-phase buck rectifiers

A pulse frequency modulation control method for single-switch three-phase buck rectifiers is comprehensively studied in this paper. The proposed pulse frequency control method leads the three-phase buck rectifier to a high performance system that can draw the nearly sinusoidal input-line currents. The simulated results demonstrate that the system provides low total harmonic distortion of the input-line currents, high-power factor, and good output voltage regulation.