| Title |
Drawing Sinusoidal Input Currents of Series-Connected Diode Rectifiers by A Current Injection Technique |
| Authors |
오준용(O, Jun-Yong) ; 최세완(Choe, Se-Wan) ; 김영석(Kim, Yeong-Seok) ; 원충연(Won, Chung-Yeon) |
| Keywords |
diode retifier ; harmonic elimination ; interphase reactor ; current injection |
| Abstract |
This paper proposes a new series-connected diode rectifier which draws sinusoidal input currents. The proposed rectifier system is configured by adding an auxiliary circuit to the conventional 12-pulse series-connected diode rectifier and employing a current injection technique. A low kVA(0.02P_°(PU) ) active current source injects a triangular current into the interphase reactor of the diode rectifier. The current injection results in near sinusoidal input current from the utility with less than 1% THD. The resulting system is suitable for high voltage and high power applications. Experimental and simulation results are provided from a 220V, 3kVA prototype rectifier system. |