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Three-Phase PFC Rectifier by Means of Three Single-Phase Passive PFC Units
Shin-ich MOTEGI,Yasuyuki NISHIDA 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
This study deals with a three-phase diode rectifier which offers very fine PFC nature. The rectifier consists of three units of single-phase PFC diode rectifier with L-C network on the ac input side. Most of all practically available combinations of inductance and capacitance of the L-C network have been investigated through simulations and useful combinations and performance of the new rectifier are obtained and described in this paper. According to the simulation studies, the Total-Power-Factor of the input is more than 99 [%] and Total-Harmonic-Distortion of input current is approximately 3 [%]. It is shown in this paper that the new rectifier is practically advantageous than ordinary rectifier, e.g., three-phase bridge diode rectifier, and even well comparable to double three-phase bridge diode rectifier.