Abstract
This paper presents the characteristics of diode rectifier circuits for the three-phase rectangular-waveform distribution system. Both the amplitude and the rms value of the line current in the proposed rectangular-waveform distribution system can be reduced to √3/2 of those in the conventional sinusoidal-waveform distribution system under the same dc output voltage of the rectifier circuit. From the analysis of the diode rectifier circuit in steady state, the design method of the input inductance and the output capacitance are derived. Furthermore, the commutation capacitors to improve the input total power factor of the diode rectifier circuit are proposed. In order to verify the effectiveness of the proposed methods, the experimental characteristics of the rectifier circuits are shown.
